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Mack Trucks

Shop Mack truck parts and accessories for popular models like the Superliner, R, RD, CX, or CH/CHN/CHU.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Belt Tensioner Assembly 1.692 X 2.913 Inch Pulley

    Belt Tensioner Assembly 1.692 X 2.913 Inch Pulley

    AFTERMARKET

    $208.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.692 Inch Pulley Width  - 2.913 Inch Pulley OD* 10 Grooves* Made In USA* Sold Individually* Warranty On...
    29-07060048
    SKU:
    29-07060048
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    2 3/4 Inch
    Width Options:
    1 5/8 Inch
    $208.99
    Qty in Cart: 0
    Price:
    $208.99
    Subtotal:
  • Belt Tensioner Assembly 1.871 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.871 X 2.952 Inch Pulley

    AFTERMARKET

    $294.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.871 Inch Pulley Width   - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060047
    SKU:
    29-07060047
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 3/4 Inch
    Diameter Options:
    3 Inch
    $294.99
    Qty in Cart: 0
    Price:
    $294.99
    Subtotal:
  • Belt Tensioner Assembly 1.811 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.811 X 2.952 Inch Pulley

    AFTERMARKET

    $246.99
    Drive Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.811 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060041
    SKU:
    29-07060041
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    3 Inch
    Width Options:
    1 3/4 Inch
    $246.99
    Qty in Cart: 0
    Price:
    $246.99
    Subtotal:
  • Belt Tensioner Assembly 1.279 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.279 X 2.952 Inch Pulley

    AFTERMARKET

    $194.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.279 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060046
    SKU:
    29-07060046
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/4 Inch
    Diameter Options:
    3 Inch
    $194.99
    Qty in Cart: 0
    Price:
    $194.99
    Subtotal:
  • Belt Tensioner Assembly 1.299 X 3 Inch Pulley

    Belt Tensioner Assembly 1.299 X 3 Inch Pulley

    AFTERMARKET

    $112.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.299 Inch Pulley Width  - 3.00 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060043
    SKU:
    29-07060043
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    Subtotal:
  • Belt Tensioner Assembly 0.131 X 3.023 Inch Pulley

    Belt Tensioner Assembly 0.131 X 3.023 Inch Pulley

    AFTERMARKET

    $221.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 0.131 Inch Pulley Width  - 3.023 Inch Pulley OD* 8 Grooves* Made In USA* Sold Individually* Warranty On...
    29-07060044
    SKU:
    29-07060044
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    3 Inch
    Width Options:
    1/4 Inch
    $221.99
    Qty in Cart: 0
    Price:
    $221.99
    Subtotal:
  • Belt Tensioner Assembly 1.20 X 2.992 OD Pulley

    Belt Tensioner Assembly 1.20 X 2.992 OD Pulley

    AFTERMARKET

    $71.99
    Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.20 Inch Pulley Width  - 2.992 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060037
    SKU:
    29-07060037
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/4 Inch
    Diameter Options:
    3 Inch
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Belt Tensioner Assembly 1.574 X 2.952 Pulley

    Belt Tensioner Assembly 1.574 X 2.952 Pulley

    AFTERMARKET

    $212.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.574 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060042
    SKU:
    29-07060042
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/2 Inch
    Diameter Options:
    3 Inch
    $212.99
    Qty in Cart: 0
    Price:
    $212.99
    Subtotal:
  • Belt Tensioner Assembly 1.090 X 2.99 Inch Pulley

    Belt Tensioner Assembly 1.090 X 2.99 Inch Pulley

    AFTERMARKET

    $208.99
    Drive Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.090 Inch Pulley Width  - 2.99 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060039
    SKU:
    29-07060039
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    3 Inch
    Width Options:
    1 1/16 Inch
    $208.99
    Qty in Cart: 0
    Price:
    $208.99
    Subtotal:
  • Belt Tensioner Assembly .75 X 2.76 Inch Pulley

    Belt Tensioner Assembly .75 X 2.76 Inch Pulley

    AFTERMARKET

    $370.99
    Drive Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 0.75 Inch Pulley Width  - 2.76 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060040
    SKU:
    29-07060040
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    3/4 Inch
    Diameter Options:
    2 3/4 Inch
    $370.99
    Qty in Cart: 0
    Price:
    $370.99
    Subtotal:
  • BESTfit Rolling Lobe Air Spring Replaces OE W01-3589069

    BESTfit Rolling Lobe Air Spring Replaces OE W01-3589069

    BESTFIT TRUCK PARTS

    $226.99
    BESTfit Replacement Air Spring Rolling LobeGet ready for a smoother journey with a new Rolling Lobe Air Spring. These air bags are designed to help boost your vehicle's suspension system, offering...
    29-051019
    SKU:
    29-051019
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Style Options:
    Rolling Lobe
    $226.99
    Qty in Cart: 0
    Price:
    $226.99
    Subtotal:
  • Belt Tensioner Assembly 1.42 X 3.54 Pulley Replaces 49326, 89430DAY, 38256,15021742, 150217420, 150292568

    Belt Tensioner Assembly 1.42 X 3.54 Pulley Replaces 49326, 89430DAY, 38256,15021742, 150217420, 150292568

    AFTERMARKET

    $190.99
    Belt Tensioner Assembly 1.42 X 3.54 Pulley* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.42 Inch Pulley Width  - 3.54 Inch Pulley OD* Made In USA* Sold Individually*...
    29-07060038
    SKU:
    29-07060038
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $190.99
    Qty in Cart: 0
    Price:
    $190.99
    Subtotal:
  • AC O-Ring Kit Single Job 2799202 ABPN83312125 21-84657 0199

    AC O-Ring Kit Single Job 2799202 ABPN83312125 21-84657 0199

    AUTOMANN USA

    $5.08
    Heavy Duty O-Ring Assortment For AC-HVAC Use* High Quality AC O-Ring Kit* Single Job* Sold Individually* Warranty On AC O-Ring Kits Against Defects In Workmanship & Material From Date Of Purchase ***...
    29-07000001
    SKU:
    29-07000001
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $5.08
    Qty in Cart: 0
    Price:
    $5.08
    Subtotal:
  • Air Bag Bracket 5.5 Inch 65426000 For Hendrickson Front AR2 Series

    Air Bag Bracket 5.5 Inch 65426000 For Hendrickson Front AR2 Series

    AFTERMARKET

    $62.99
    Replacement Hendrickson Air Bag Bracket* High Quality Air Bag Bracket * Front AR2 Series* 5.5 Inch C To C* Made In USA* Sold Individually* Warranty On Air Bag Brackets Against Defects In Workmanship...
    29-05100075
    SKU:
    29-05100075
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
    Subtotal:
  • Brake Drum 15 X 6 Inch Replaces TDA85123681002, 85123681002

    Brake Drum 15 X 6 Inch Replaces TDA85123681002, 85123681002

    AFTERMARKET

    $453.99
    Heavy Duty Brake Drum* High Quality Brake Drum* Dimensions:  - 15.00 Inch Brake Surface Diameter  - 9.32 Inch Overall Depth  - 6.29 Inch Brake Surface Flat  - 8.78 Inch Pilot Diameter  - 11.25 Inch...
    29-05170008
    SKU:
    29-05170008
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $453.99
    Qty in Cart: 0
    Price:
    $453.99
    Subtotal:
  • Meritor Type Automatic Slack Adjuster 1.5-10 X 5.5 Inch Arm 3947623. E11410

    Meritor Type Automatic Slack Adjuster 1.5-10 X 5.5 Inch Arm 3947623. E11410

    AFTERMARKET

    $98.99
    Automatic Slack Adjuster Type B* High Quality Automatic Slack Adjuster* Dimensions:  - 1 1/2 Inch- 10   - 5 1/2 Inch Arm  - 5/8 Inch-18 Clevis* Meritor Type* Clevis Kit (Included)* Made In USA* Sold...
    29-05100077
    SKU:
    29-05100077
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • Suspension Saddle Assembly 31017075, E1851, E-1851 For Hendrickson 340 Series

    Suspension Saddle Assembly 31017075, E1851, E-1851 For Hendrickson 340 Series

    AFTERMARKET

    $473.99
    Saddle Hendrickson 6-3/16 Inch Height, Includes Cap & Hardware* High Quality Saddle Assembly* 6 3/16 Inch Height* Cap And Hardware (Included)* Made In USA* Sold Individually* Warranty On Saddle...
    29-05100078
    SKU:
    29-05100078
    Height Options:
    6 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $473.99
    Qty in Cart: 0
    Price:
    $473.99
    Subtotal:
  • Saddle Assembly 6 Inch 31017053 For Hendrickson R, RTE, RT2, RTE2 523 Series

    Saddle Assembly 6 Inch 31017053 For Hendrickson R, RTE, RT2, RTE2 523 Series

    AFTERMARKET

    $776.99
    Replacement Hendrickson Saddle Assembly* High Quality Saddle Assembly* 6 Inch Height* Made In USA* Sold Individually* Warranty On Saddle Assemblies Against Defects In Workmanship & Material From Date...
    29-05100069
    SKU:
    29-05100069
    Height Options:
    6 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Make:
    Trailer
    $776.99
    Qty in Cart: 0
    Price:
    $776.99
    Subtotal:
  • Meritor Type Automatic Slack Adjuster 1.5 -10 Spline X 10.5 Inch Arm 3947622, E11409, E11409A, A273275Z1144

    Meritor Type Automatic Slack Adjuster 1.5 -10 Spline X 10.5 Inch Arm 3947622, E11409, E11409A, A273275Z1144

    AFTERMARKET

    $98.99
    Auto Slack Adjuster 1-1/2-10 X 5-1/2 Inch* High Quality Automatic Slack Adjuster* Dimensions:  - 1 1/2 Inch- 10  - 5 1/2 Inch Arm  - 5/8 Inch- 18 Clevis* Meritor Type* Clevis Kit (Included)* Made In...
    29-05100076
    SKU:
    29-05100076
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • Saddle Cap 19283002 For Hendrickson

    Saddle Cap 19283002 For Hendrickson

    BESTFIT TRUCK PARTS

    $16.75
    BESTfit Replacement Hendrickson Axle Saddle Cap* High Quality Saddle Cap* 4 Inch C To C* 2.75 Inch Opening* 3/4 Inch Bolt Holes* Sold Individually* Warranty On Saddle Caps Against Defects In...
    29-05100072
    SKU:
    29-05100072
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Material Options:
    Steel
    $16.75
    Qty in Cart: 0
    Price:
    $16.75
    Subtotal:
  • Saddle Cap 06662000 For Hendrickson 340 / 380 Series

    Saddle Cap 06662000 For Hendrickson 340 / 380 Series

    BESTFIT TRUCK PARTS

    $20.63
    BESTfit Replacement Hendrickson Axle Saddle Cap* High Quality Saddle Cap* 4 Inch C To C * 1 Inch Bolt Holes* 2 3/4 Inch Opening* Sold Individually * Warranty On Saddle Caps Against Defects In...
    29-05100070
    SKU:
    29-05100070
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Trailer
    $20.63
    Qty in Cart: 0
    Price:
    $20.63
    Subtotal:
  • Front of Rear Spring Hanger Replaces E7569, E7569A, R307569A

    Front of Rear Spring Hanger Replaces E7569, E7569A, R307569A

    AFTERMARKET

    $237.99
    Replacement Hendrickson Suspension Spring Hanger* High Quality Spring Hanger * Dimensions:  - 9.437 Inch C To C  - 0.61 Inch Offset* Made In USA* Sold Individually* Warranty On Spring Hangers Against...
    29-05100067
    SKU:
    29-05100067
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $237.99
    Qty in Cart: 0
    Price:
    $237.99
    Subtotal:
  • Air Spring Rolling Lobe - Steel Base Replaces 665-11S032, 68113, 5323, W013585323, 7504, 1003585323C

    Air Spring Rolling Lobe - Steel Base Replaces 665-11S032, 68113, 5323, W013585323, 7504, 1003585323C

    AFTERMARKET

    $213.99
    Replacement Reyco Granning & Ridewell Rolling Lobe Style Air SpringThis air suspension spring is designed to match the original, restoring performance when the old spring fails. Made from quality...
    29-05100060
    SKU:
    29-05100060
    Material Options:
    Steel
    Height Options:
    15 Inch
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Front Spring Hanger 0.91 Inch Offset Replaces 501812, 50181002L, 50181002, 468412 For 3.5 Inch Springs

    Front Spring Hanger 0.91 Inch Offset Replaces 501812, 50181002L, 50181002, 468412 For 3.5 Inch Springs

    AFTERMARKET

    $148.99
    Replacement Hendrickson Suspension Spring HangerThis leaf spring hanger assembly is designed for Hendrickson RT, U, and RU Series suspensions. It features a double lock clamp mount and is...
    29-05100066
    SKU:
    29-05100066
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Length Options:
    9 1/4 Inch
    Material Options:
    Steel
    $148.99
    Qty in Cart: 0
    Price:
    $148.99
    Subtotal:
  • Saddle Cap Replaces 6612000, 48545, 48545000, 48795000, 58795, 58795000 For Hendrickson 380-520 Series

    Saddle Cap Replaces 6612000, 48545, 48545000, 48795000, 58795, 58795000 For Hendrickson 380-520 Series

    BESTFIT TRUCK PARTS

    $19.65
    BESTfit Replacement Hendrickson Axle Saddle Cap* High Quality Saddle Cap* 4 3/4 Inch C To C * 7/8 Inch Bolt Holes * 3 1/2 Inch Opening * Sold Individually* Warranty On Saddle Caps Against Defects In...
    29-05100068
    SKU:
    29-05100068
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Make:
    Trailer
    $19.65
    Qty in Cart: 0
    Price:
    $19.65
    Subtotal:
  • Air Spring Rolling Lobe - Steel Base Replaces 5311, 68112, 1003585311C, 63791

    Air Spring Rolling Lobe - Steel Base Replaces 5311, 68112, 1003585311C, 63791

    AFTERMARKET

    $235.99
    Air Spring Rolling Lobe* High Quality Air Spring* Rolling Lobe Type* 90 CPM Natural Frequency* Steel Bottom Plate* With Bumper* Dimensions:  - 8.50 Inch Design Height  - 5.40 Inch Minimum Height  -...
    29-05100062
    SKU:
    29-05100062
    Height Options:
    15 Inch
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Universal Items
    Make:
    Trailer
    $235.99
    Qty in Cart: 0
    Price:
    $235.99
    Subtotal:
  • Poly Bar Pin End Beam Bushing Assembly D407 For Hendrickson D407

    Poly Bar Pin End Beam Bushing Assembly D407 For Hendrickson D407

    AFTERMARKET

    $280.99
    Hendrickson Truck Suspension Bar Pin End Bushing Assembly Kit* High Quality Bar Pin Assembly* Includes:  - (2) 1/8 Inch Thick Bar Pin Shim   - (2) 1 Inch- 8 x 6 Inch Bar Pin Bolt  - (2) 1 Inch Lock...
    29-05100052
    SKU:
    29-05100052
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Material Options:
    Steel
    $280.99
    Qty in Cart: 0
    Price:
    $280.99
    Subtotal:
  • Air Spring Rolling Lobe - Steel Base Replaces 9003001, 665-11S030, 68111, W013585310, 6-336-2, S8832

    Air Spring Rolling Lobe - Steel Base Replaces 9003001, 665-11S030, 68111, W013585310, 6-336-2, S8832

    AFTERMARKET

    $187.99
    American Carrier, Hendrickson Trailer & Ridewell Replacement Rolling Lobe* High Quality Air Spring* Rolling Lobe Type* 90 CPM Natural Frequency* Steel Bottom Plate* Without Bumper* Dimensions:  - 8...
    29-05100061
    SKU:
    29-05100061
    Height Options:
    15 Inch
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Universal Items
    Make:
    Trailer
    $187.99
    Qty in Cart: 0
    Price:
    $187.99
    Subtotal:
  • Front Spring Hanger 9.437 Inch Replaces 457361, 45736001, 34013095

    Front Spring Hanger 9.437 Inch Replaces 457361, 45736001, 34013095

    AFTERMARKET

    $198.99
    Replacement Hendrickson Suspension Spring Hanger* High Quality Spring Hanger * 9.437 Inch C To C Length* 0.910 Inch Offset* Made In USA* Sold Individually* Warranty On Spring Hangers Against Defects...
    29-05100064
    SKU:
    29-05100064
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Length Options:
    9 1/4 Inch
    $198.99
    Qty in Cart: 0
    Price:
    $198.99
    Subtotal:
  • Height Control Valve Replaces 90555353, 90555355, 90555254, 85112623 For Mack, Volvo

    Height Control Valve Replaces 90555353, 90555355, 90555254, 85112623 For Mack, Volvo

    AFTERMARKET

    $152.99
    Replaces Height Control ValveUpgrade your suspension with Precision Response Haldex Height Control Valves, offering precise ride height control, ceramic seal durability, non-delay function, minimal...
    29-05100056
    SKU:
    29-05100056
    Length Options:
    7 Inch
    Product Type:
    Frame & Chassis
    Make:
    Volvo
    Make:
    Mack
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
    Subtotal:
  • Meritor Type Automatic Slack Adjuster Unhanded 1-1/4-10 X 5-1/2 Inch Arm E11395, R801001, R803101

    Meritor Type Automatic Slack Adjuster Unhanded 1-1/4-10 X 5-1/2 Inch Arm E11395, R801001, R803101

    AFTERMARKET

    $85.99
    Auto Slack Adjuster 1-1/4-10 X 5-1/2 Inch* High Quality Automatic Slack Adjuster* Dimensions:  - 1 1/4 Inch- 10   - 5 1/2 Inch Arm  - 1/2 Inch- 20 Clevis* Meritor Type* Unhanded* Clevis Kit...
    29-05090028
    SKU:
    29-05090028
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • Poly Bar Pin Assembly Replaces Hendrickson D408

    Poly Bar Pin Assembly Replaces Hendrickson D408

    AFTERMARKET

    $287.99
    Hendrickson Poly Bar Pin Beam Bushing Kit* High Quality Bar Pin Assembly* Poly* Includes:  - (2) 1 Inch- 8 x 6 Inch Bar Pin Bolt  - (2) 1 Inch Lock Nuts  - (4) 1 Inch U-Bolt Washers * 8 1/2 Inch C To...
    29-05100058
    SKU:
    29-05100058
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    $287.99
    Qty in Cart: 0
    Price:
    $287.99
    Subtotal:
  • Hydraulic Disc Brake Pad Kit 1.055 Inch Thick Replaces OE 4153301, 4153346L, 2501841C91, 2501841C93

    Hydraulic Disc Brake Pad Kit 1.055 Inch Thick Replaces OE 4153301, 4153346L, 2501841C91, 2501841C93

    AUTOMANN USA

    $82.99
    Bosch Type Brake Pad Kit For Medium Duty TrucksThese Hydraulic Brake Pads are designed to match the form, fit, and function of original equipment (OE) parts. Made with high-friction material, they...
    29-0509012
    SKU:
    29-0509012
    Make:
    Universal Items
    Length Options:
    9 1/2 Inch
    Product Type:
    Frame & Chassis
    Width Options:
    2 1/2 Inch
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • Steel Light Module Bracket 3 Hole 42611 For 4 Inch Round Lights

    Steel Light Module Bracket 3 Hole 42611 For 4 Inch Round Lights

    AFTERMARKET

    $71.99
    Trailer Replacement Three Hole Light Module BracketThis mounting bracket for three 4 Inch Round lights is made of steel. It is sold individually. Grommet or flange is needed for mounting lamps to...
    19-16020000
    SKU:
    19-16020000
    Material Options:
    Steel
    Color:
    Gray
    Product Type:
    Trailer
    Truck Class:
    Heavy Duty
    Height Options:
    7 Inch
    Width Options:
    19 3/4 Inch
    Light Options:
    Without Lights
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Steer Yoke Assembly With Grease SK000283

    Steer Yoke Assembly With Grease SK000283

    AFTERMARKET

    $57.99
    Steer Yoke Assembly with Grease* High Quality Steer Yoke Assembly* With Grease* U Joint (Included)* Made In USA* Sold Individually* Warranty On Steer Yoke Assemblies Against Defects In Workmanship &...
    29-05090029
    SKU:
    29-05090029
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • Air Spring Rolling Lobe With Plastic Base Replaces 69133, 1R10-101, W01-358-5770, 1003535770C

    Air Spring Rolling Lobe With Plastic Base Replaces 69133, 1R10-101, W01-358-5770, 1003535770C

    AFTERMARKET

    $218.99
    Replacement Ridewell Watson and Chalin Air Spring Rolling Lobe* High Quality Air Spring* Rolling Lobe Type* Plastic Bottom Plate* With Bumper* Dimensions:  - 4.20 Inch Minimum Height  - 11.40 Inch...
    29-05100044
    SKU:
    29-05100044
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Style Options:
    Rolling Lobe
    Height Options:
    4 Inch
    Make:
    Trailer
    Diameter Options:
    11 Inch
    $218.99
    Qty in Cart: 0
    Price:
    $218.99
    Subtotal:
  • Meritor Type Automatic Slack Adjuster 1.5 -10 Spline X 5.5 Inch, Unhanded

    Meritor Type Automatic Slack Adjuster 1.5 -10 Spline X 5.5 Inch, Unhanded

    AFTERMARKET

    $98.99
    Automatic Slack Adjuster 5.5 Inch* High Quality Automatic Slack Adjuster* Dimensions:  - 1 1/2 Inch- 10   - 5 1/2 Inch Arm  - 5/8 Inch- 18 Clevis* Clevis Kit (Included)* Unhanded* Meritor Type* Made...
    19-05180053
    SKU:
    19-05180053
    Product Type:
    Trailer
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • Air Spring Rolling Lobe Firestone W01-675-9975, W01-358-9975 & Neway 90557331, 90557373

    Air Spring Rolling Lobe Firestone W01-675-9975, W01-358-9975 & Neway 90557331, 90557373

    AFTERMARKET

    $360.99
    Replacement Airide Air Spring* High Quality Air Spring* Rolling Lobe Type* 5600 Load At 80 PSI* 7000 Load At 100 PSI* 75 CPM Natural Frequency* 4.76 Inch High Piston* Steel Bottom Plate* With Bumper*...
    19-05180058
    SKU:
    19-05180058
    Diameter Options:
    13 Inch
    Product Type:
    Trailer
    Material Options:
    Steel
    Height Options:
    12 Inch
    Truck Class:
    Heavy Duty
    Rating:
    100 PSI
    Style Options:
    Rolling Lobe
    Make:
    Universal Items
    $360.99
    Qty in Cart: 0
    Price:
    $360.99
    Subtotal:
  • 2.75 Inch Alignment Block E4263, R304263, C72852B, 90001045 For Neway / Holland

    2.75 Inch Alignment Block E4263, R304263, C72852B, 90001045 For Neway / Holland

    BESTFIT TRUCK PARTS

    $21.97
    Neway Alignment Block* High Quality Alignment Block* Dimensions:  - 2.75 Inch   - 1.125 Inch ID  - 0.875 Inch Thickness* Sold Individually* Warranty On Alignment Blocks Against Defects In Workmanship...
    19-05180054
    SKU:
    19-05180054
    Truck Class:
    Heavy Duty
    Product Type:
    Trailer
    Diameter Options:
    2 3/4 Inch
    Make:
    Universal Items
    $21.97
    Qty in Cart: 0
    Price:
    $21.97
    Subtotal:
  • Haldex Type Automatic Slack Adjuster 1 5/8 - 37 Spline X 6 Inch Replaces 40020214, 133.3741

    Haldex Type Automatic Slack Adjuster 1 5/8 - 37 Spline X 6 Inch Replaces 40020214, 133.3741

    AFTERMARKET

    $98.99
    6 Inch Automatic Slack Adjuster Replaces Haldex 40020214, 133.3741* High Quality Slack* Dimensions:  - 1-5/8 Inch Spline Diameter  - 6 Inch Arm Length* 37 Splines* Hardware Bracket Kit (Included)*...
    19-05170008
    SKU:
    19-05170008
    Product Type:
    Trailer
    Length Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • 16 Ft ABS Sensor Extension Wabco Type

    16 Ft ABS Sensor Extension Wabco Type

    AUTOMANN USA

    $24.16
    ABS Extension Cable Replaces Meritor Wabco S4497130500Sensor Extension Cables work for both Easy-Stop and Enhanced Easy-Stop Trailer ABS.* High Quality ABS Sensor Extension* 197 Inch Cable Length*...
    19-05170010
    SKU:
    19-05170010
    Truck Class:
    Heavy Duty
    Product Type:
    Trailer
    Length Options:
    197 Inch
    Make:
    Universal Items
    $24.16
    Qty in Cart: 0
    Price:
    $24.16
    Subtotal:
  • 5 Spoke Wheel Hub Assembly 20 Inch With 4 Inch Rim Spacer Replaces 7520, 75209

    5 Spoke Wheel Hub Assembly 20 Inch With 4 Inch Rim Spacer Replaces 7520, 75209

    AFTERMARKET

    $737.99
    Spoke Wheel Assy 20 X 4 Inch Spacer* High Quality Spoke Wheel Assembly* Includes:  - Spoke Wheel  - 4 Inch Rim Spacer  - Rim Studs   - Rim Nuts* 20 Inch Diameter* 5 Spoke* Made In USA* Sold...
    19-05170009
    SKU:
    19-05170009
    Product Type:
    Trailer
    Truck Class:
    Heavy Duty
    Diameter Options:
    20 Inch
    Make:
    Universal Items
    $737.99
    Qty in Cart: 0
    Price:
    $737.99
    Subtotal:
  • Adjusting Nut Kit Replaces 3341398, G16787 For Mack Rear

    Adjusting Nut Kit Replaces 3341398, G16787 For Mack Rear

    AUTOMANN USA

    $23.12
    Mack Rear Adjusting Nut Kit* High Quality Adjusting Nut Kit * Sold Individually* Warranty On Adjusting Nut Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    11-05100061
    SKU:
    11-05100061
    Product Type:
    Frame & Chassis
    Make:
    Mack
    Width Options:
    4 Inch
    Material Options:
    Steel
    $23.12
    Qty in Cart: 0
    Price:
    $23.12
    Subtotal:
  • Trunnion Replaces 25130253. 39QK325. 39QK54

    Trunnion Replaces 25130253. 39QK325. 39QK54

    AFTERMARKET

    $385.99
    Trunnion 4 Inch Shaft, 4 Inch Spring* High Quality Trunnion* 4 Inch X 4 Inch* Made In USA* Sold Individually* Warranty On Trunnions Against Defects In Workmanship & Material From Date Of Purchase***...
    11-05100011
    SKU:
    11-05100011
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Diameter Options:
    4 Inch
    Material Options:
    Steel
    Width Options:
    4 Inch
    Position:
    Rear
    $385.99
    Qty in Cart: 0
    Price:
    $385.99
    Subtotal:
  • Lower Trunnion 8.9 Inch Replaces 39QK431, R303685, CS71602B For Mack

    Lower Trunnion 8.9 Inch Replaces 39QK431, R303685, CS71602B For Mack

    AFTERMARKET

    $121.99
    Mack Lower Half Trunnion For SS34-38-ST Series Rear Suspensions* High Quality Trunnion* Dimensions:  - 1.35 Inch U-Bolt Holes  - 8.975 Inch Overall Length  - 5.40 Inch Length C To C * Uses 4 Inch...
    11-05100013
    SKU:
    11-05100013
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Mack
    Material Options:
    Steel
    Position:
    Rear
    Length Options:
    8 3/4 Inch
    Width Options:
    4 Inch
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • 3.875 Inch Brake Spring - 6971MT141157

    3.875 Inch Brake Spring - 6971MT141157

    AUTOMANN USA

    $12.71
    Short Drum Brake Shoe Return Spring* High Quality Brake Spring* Black* Dimensions:  - 3.875 Inch Length  - 1.125 Inch Coil Diameter* Sold Individually* Warranty On Brake Springs Against Defects In...
    11-05170000
    SKU:
    11-05170000
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Mack
    Length Options:
    3 3/4 Inch
    Color:
    Black
    Material Options:
    Steel
    Diameter Options:
    1 Inch
    $12.71
    Qty in Cart: 0
    Price:
    $12.71
    Subtotal:
  • Rear Of Front Hanger 51QK5110M2 For Mack

    Rear Of Front Hanger 51QK5110M2 For Mack

    AFTERMARKET

    $219.99
    Replacement Mack Suspension Spring Hanger* High Quality Hanger* 5.5 Inch * Rear Of Front* Bushing (Included)* Made In USA* Sold Individually* Warranty On Hangers Against Defects In Workmanship &...
    11-05090005
    SKU:
    11-05090005
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Mack
    Position:
    Front
    Material Options:
    Steel
    $219.99
    Qty in Cart: 0
    Price:
    $219.99
    Subtotal:
  • Trunnion Upper 39QK433A For Mack Rear

    Trunnion Upper 39QK433A For Mack Rear

    AFTERMARKET

    $162.99
    Upper Half Trunnion For Mack Rear SS34-38 Camelback With Split Trunnions* High Quality Trunnion* U bolt Holes- 1.250 Inch* Note- 4 Inch Wide Springs* Made In USA* Sold Individually* Warranty On...
    11-05100009
    SKU:
    11-05100009
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Width Options:
    4 Inch
    Material Options:
    Steel
    Position:
    Rear
    $162.99
    Qty in Cart: 0
    Price:
    $162.99
    Subtotal:
  • Trunnion Assembly Replaces E-5077, M1118, 39QK226, 39QK226A For Mack

    Trunnion Assembly Replaces E-5077, M1118, 39QK226, 39QK226A For Mack

    AFTERMARKET

    $792.99
    Mack Trunnion with Bushing* High Quality Trunnion* With Bushing * Made In USA* Sold Individually* Warranty On Trunnions Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    11-05100012
    SKU:
    11-05100012
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Material Options:
    Steel
    Position:
    Rear
    Width Options:
    4 Inch
    $792.99
    Qty in Cart: 0
    Price:
    $792.99
    Subtotal:
  • Tire Tread Depth Gauge With Pocket Clip

    Tire Tread Depth Gauge With Pocket Clip

    AUTOMANN USA

    $2.52
    Tire Tread Depth Gauge 0-25MM* High Quality Tire Tread Depth Gauge* 3.30 Inch Length* Comes With Pocket Clip* Sold Individually* Warranty On Tire Tread Depth Gauges Against Defects In Workmanship &...
    09-21000078
    SKU:
    09-21000078
    Product Type:
    Tools
    Length Options:
    3 1/4 Inch
    Make:
    Universal Items
    $2.52
    Qty in Cart: 0
    Price:
    $2.52
    Subtotal:
  • Steel Trunnion Cap 1.56 Inch Deep E-3697, 21168054 For Mack

    Steel Trunnion Cap 1.56 Inch Deep E-3697, 21168054 For Mack

    AUTOMANN USA

    $34.85
    Mack Trunnion Bearing Cap* High Quality Trunnion* Dimensions:  - 1.35 Inch U-Bolt Holes  - 8.975 Inch Overall Length  - 5.40 Inch Length C To C* Sold Individually* Warranty On Trunnions Against...
    11-05100014
    SKU:
    11-05100014
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    9 Inch
    Make:
    Mack
    Material Options:
    Steel
    Position:
    Rear
    Width Options:
    4 Inch
    $34.85
    Qty in Cart: 0
    Price:
    $34.85
    Subtotal:
  • Front Of Front Spring Hanger 5.5 Inch 53QK5110M2, 53QK5110AM5 For Mack CH

    Front Of Front Spring Hanger 5.5 Inch 53QK5110M2, 53QK5110AM5 For Mack CH

    AFTERMARKET

    $222.99
    Replacement Mack Suspension Spring Hanger* High Quality Spring Hanger* 5.5 Inch C To C* Front Of Front* Set Back Axle * Without Frame Reinforcement* Made In USA* Sold Individually* Warranty On Spring...
    11-05090006
    SKU:
    11-05090006
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Style Options:
    Set Back Axle
    Material Options:
    Steel
    Position:
    Front
    $222.99
    Qty in Cart: 0
    Price:
    $222.99
    Subtotal:
  • Steer Hub Outboard Mount 10 Hole 25201--0T

    Steer Hub Outboard Mount 10 Hole 25201--0T

    AFTERMARKET

    $522.99
    Outboard Mount Steer Hub* High Quality Mount* Dimensions:  - 6.26 Inch Overall Height  - 3.38 Inch Distance Between Cups  - 11.25 Inch Bolt Circle Diameter  - 8.78 Inch Pilot  - 4.50 Inch Hubcap Bolt...
    09-20200138
    SKU:
    09-20200138
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Diameter Options:
    6 1/4 Inch
    Make:
    Universal Items
    $522.99
    Qty in Cart: 0
    Price:
    $522.99
    Subtotal:
  • Front Of Rear Spring Hanger 7.875 Inch Replaces 47QK4216M For Mack

    Front Of Rear Spring Hanger 7.875 Inch Replaces 47QK4216M For Mack

    AFTERMARKET

    $213.99
    Replacement Mack Suspension Spring Hanger* High Quality Spring Hanger* Dimensions:  - 16 Inch Height   - 7.875 Inch C To C* Front Of Rear* For 3 Inch Wide Spring* Made In USA* Sold Individually*...
    11-05090003
    SKU:
    11-05090003
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Height Options:
    16 Inch
    Make:
    Mack
    Width Options:
    3 Inch
    Position:
    Rear
    Material Options:
    Steel
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Trunnion Assembly Replaces 9QK326, 39QK27, 39QK327, 39QK48E For Mack

    Trunnion Assembly Replaces 9QK326, 39QK27, 39QK327, 39QK48E For Mack

    AFTERMARKET

    $365.99
    Mack Rear Trunnion 3.5 Inch Shaft, 4 Inch Spring with SS34/SS38 Camelback* High Quality Trunnion* 3-1/2 Inch X 4 Inch * Includes 2 Bushings* Made In USA* Sold Individually* Warranty On Trunnions...
    11-05100010
    SKU:
    11-05100010
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Mack
    Diameter Options:
    3 1/2 Inch
    Width Options:
    4 Inch
    Material Options:
    Steel
    Position:
    Rear
    $365.99
    Qty in Cart: 0
    Price:
    $365.99
    Subtotal:
  • 1/2 Inch Drive Stud Remover Tool For 1/4 to 3/4 Inch Double Ended Studs

    1/2 Inch Drive Stud Remover Tool For 1/4 to 3/4 Inch Double Ended Studs

    AUTOMANN USA

    $37.10
    Wheel Stud Removal ToolDealing with broken or seized studs and bolts from 1/4 inch to 3/4 inch? The Stud Extractor Tool simplifies removal. Its knurled roller grips the stud tightly and minimizes...
    09-21000005
    SKU:
    09-21000005
    Product Type:
    Tools
    Make:
    Universal Items
    $37.10
    Qty in Cart: 0
    Price:
    $37.10
    Subtotal:
  • Large Yellow Foldable Wheel Chock With Medal Insert

    Large Yellow Foldable Wheel Chock With Medal Insert

    AUTOMANN USA

    $28.10
    Folding Wheel ChockThis Large Foldable Wheel Chock features a compact design that optimizes space and offers users maximum installation flexibility. Made from bright yellow molded thermoplastic, it...
    09-20070002
    SKU:
    09-20070002
    Product Type:
    Wheels
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Color:
    Yellow
    Make:
    Universal Items
    $28.10
    Qty in Cart: 0
    Price:
    $28.10
    Subtotal:
  • Rear Of Front Hanger 5.6 Inch With Silent Block 25115843, 51QK5110M4 For Heavy Frame Mack CH/ CL600

    Rear Of Front Hanger 5.6 Inch With Silent Block 25115843, 51QK5110M4 For Heavy Frame Mack CH/ CL600

    AFTERMARKET

    $220.99
    Replacement Mack Hanger with Heavy Frame* High Quality Spring Hanger* 5.6 Inch C To C* Rear Of Front* With Silent Block* Made In USA* Sold Individually* Warranty On Spring Hangers Against Defects In...
    11-05090004
    SKU:
    11-05090004
    Truck Class:
    Light Duty
    Product Type:
    Frame & Chassis
    Make:
    Mack
    Material Options:
    Steel
    Position:
    Front
    $220.99
    Qty in Cart: 0
    Price:
    $220.99
    Subtotal:
  • Inboard Mount Wheel Hub 10 Hole 1521T

    Inboard Mount Wheel Hub 10 Hole 1521T

    AFTERMARKET

    $646.99
    Inboard / Ball Seat Mount Wheel Hub* High Quality Wheel Hub* Dimensions:  - 7.33 Inch Overall Height  - 3.38 Inch Distance Between Cups  - 11.25 Inch Bolt Circle Diameter  - 5.50 Inch Hubcap Bolt...
    09-20200139
    SKU:
    09-20200139
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Diameter Options:
    7 1/2 Inch
    Make:
    Universal Items
    $646.99
    Qty in Cart: 0
    Price:
    $646.99
    Subtotal:
  • 6 Inch Scrub Brush Head

    6 Inch Scrub Brush Head

    AUTOMANN USA

    $3.79
    Cleaning Brush Head 6 InchThis 6-inch plastic scrub brush head is built for tackling tough grime on your truck. Its durable bristles make cleaning quick and effective, helping you keep your truck...
    09-17040004
    SKU:
    09-17040004
    Material Options:
    Plastic/Poly
    Product Type:
    Polishing
    Length Options:
    6 Inch
    Make:
    Universal Items
    $3.79
    Qty in Cart: 0
    Price:
    $3.79
    Subtotal:
  • Yellow Wheel Chock 12.5 Inch

    Yellow Wheel Chock 12.5 Inch

    AUTOMANN USA

    $9.69
    Yellow Wheel ChockThis bright yellow wheel chock keeps your truck tires safely in place.* High Quality Wheel Chock* Yellow* Dimensions:  - 12.5 Inch Overall Length  - 6 Inch C To C  - 1.5 Inch...
    09-20070005
    SKU:
    09-20070005
    Length Options:
    12 1/2 Inch
    Product Type:
    Wheels
    Height Options:
    1 1/2 Inch
    Truck Class:
    Heavy Duty
    Color:
    Yellow
    Make:
    Universal Items
    $9.69
    Qty in Cart: 0
    Price:
    $9.69
    Subtotal:
  • Digital Multi Meter With High Amp Clamp For Heavy Duty Trucks 3940-HD

    Digital Multi Meter With High Amp Clamp For Heavy Duty Trucks 3940-HD

    AFTERMARKET

    $658.99
    Auto-Range Digital Multi MeterThis digital clamp meter is great for testing starting and charging circuits. It provides easy access to important measurements like current, voltage, temperature, and...
    09-21000007
    SKU:
    09-21000007
    Truck Class:
    Universal
    Product Type:
    Tools
    Make:
    Universal Items
    $658.99
    Qty in Cart: 0
    Price:
    $658.99
    Subtotal:
  • Oil Resistance RTV Gasket Maker 8.75 oz

    Oil Resistance RTV Gasket Maker 8.75 oz

    AFTERMARKET

    $51.99
    Ultra Black RTV Silicone Gasket Maker* High Quality Gasket Maker* 8.75 Ounce* Black * Fast-Curing Formula* Sensor-Safe Non Corrosive* Oil Resistant* Retains High Flexibility Temp Range -65 Degree F...
    09-17100013
    SKU:
    09-17100013
    Product Type:
    Tools
    Color:
    Black
    Make:
    Universal Items
    $51.99
    Qty in Cart: 0
    Price:
    $51.99
    Subtotal:
  • Black Wheel Chock 12 Inch

    Black Wheel Chock 12 Inch

    AUTOMANN USA

    $8.47
    Black Wheel ChockThe Black Wheel Chock 12.5 Inch provides durable, non-slip stabilization for trucks and trailers, preventing movement during loading, parking, or maintenance. Ideal for heavy-duty...
    09-20070004
    SKU:
    09-20070004
    Length Options:
    12 1/2 Inch
    Product Type:
    Wheels
    Height Options:
    1 1/2 Inch
    Truck Class:
    Heavy Duty
    Color:
    Black
    Make:
    Universal Items
    $8.47
    Qty in Cart: 0
    Price:
    $8.47
    Subtotal:
  • Total: items /

Adding your products to cart

Mack Semi Truck Parts and Accessories

Keeping your Mack on the road means having access to the right parts—fast. At 4 State Trucks, we carry a full line of aftermarket Mack truck parts and accessories to help you stay ahead of maintenance, minimize downtime, and keep your business rolling. Whether you’re running a Mack Superliner or a classic Mack R Model, we’ve got the semi truck parts that get the job done.

High-Quality Parts for Every Mack Truck Model

Whether you're replacing worn parts or upgrading your rig’s performance, we carry commercial truck parts for a wide range of Mack models. From the rugged Superliner to the workhorse R Model, our inventory includes everything from exterior body panels to cab accessories and under-hood components. This Mack collection is built to meet the same heavy-duty standards your truck was designed for. If you're looking for reliable truck parts online, you've come to the right place.

Best Features

When you invest in semi truck parts, you need gear that’s built for durability and efficiency. Our aftermarket Mack parts are engineered to hold up under pressure and deliver the performance your business depends on. Top features include:
  • Diesel-compatible components designed for fuel efficiency and power.
  • Tough, road-ready construction for maximum durability.
  • Easy-to-install parts for both urban and off-road applications.
  • Support for a wide range of configurations and payload needs.
  • A huge variety of truck parts and accessories to match your rig’s specs.
  • Whether you’re tackling local hauls or cross-country jobs, these parts are built to take the abuse and keep on running.

    Shop Commercial Truck Parts Online with 4 State Trucks

    From longtime Mack drivers to growing fleets, truckers across the country count on 4 State Trucks for dependable online truck parts and expert service. Whether you’re keeping an old R Model alive or upgrading your Superliner with modern components, we’re here to help with quality you can trust.

    Frequently Asked Questions About Mack Truck Parts

    Will these aftermarket parts fit my specific Mack truck model and year?

    Our Mack truck parts are designed to fit most common models including the Anthem, Pinnacle, Granite, and older CH, CL, and Vision series. However, compatibility can vary by year and specific configuration. We recommend checking the product description for model years listed, or contact our support team with your OEM number for exact fitment verification. Many parts fit multiple years (for example, 2008-2017 Pinnacle models often share components), but critical items like bumpers and hoods may have year-specific variations.

    What's the difference between chrome, stainless steel, and painted finishes for bumpers and exterior parts?

    Chrome-plated steel bumpers offer the classic mirror finish but require regular polishing and can eventually show pitting or rust if the chrome layer is damaged. Stainless steel parts cost more initially but resist corrosion better and maintain their appearance with less maintenance - just periodic cleaning with stainless polish. Painted finishes are the most economical option and can be color-matched to your truck, but may need touch-ups after stone chips or scratches. For harsh winter conditions with road salt, stainless steel typically provides the best long-term value.

    Can I install these parts myself, or do I need a professional shop?

    Many exterior parts like mirror covers, mud flaps, and grille inserts can be installed with basic tools in 30-60 minutes. However, bumpers, hoods, and fenders typically require two people, proper lifting equipment, and alignment expertise. Bumper installations often need bracket adjustments and may require drilling new mounting holes. We provide installation instructions when available, but for major components, we recommend professional installation to ensure proper fit and maintain warranty coverage. Labor typically runs 2-4 hours for bumper swaps at most truck shops.

    Are aftermarket parts as durable as OEM Mack parts?

    Quality varies significantly among aftermarket manufacturers. Our premium aftermarket partners use similar gauge steel and manufacturing processes as OEM parts, often at 30-50% less cost. Look for parts with specified steel thickness (16-gauge or thicker for bumpers), proper drainage holes to prevent rust, and reinforced mounting points. While OEM parts guarantee exact fit, many of our aftermarket options meet or exceed OEM durability standards. Check product reviews and warranty terms - reputable aftermarket parts typically include 1-3 year warranties against defects.

    What should I know about DEF tank covers, battery box covers, and other specific Mack components?

    These truck-specific parts often have unique mounting systems that changed across model years. DEF tank covers for 2011-2015 Mack trucks use different brackets than 2016+ models. Battery box dimensions vary between daycab and sleeper configurations. When ordering electrical components like headlights or marker lights, verify voltage requirements (12V vs 24V systems). For air intake components, confirm whether you have a vertical or horizontal air cleaner setup. Including your OEM or calling with your truck's specifics helps ensure you receive the correct variation.


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