Mack Truck Parts
Find top-quality Mack truck parts at 4 State Trucks. Upgrade your rig with OE replacements and aftermarket solutions to ensure peak performance and durability. From bumpers and engine parts to fenders, you'll discover everything needed to keep your truck in prime condition. Hit the road confidently with reliable replacement Mack Truck parts.
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BESTfit Cab Shock Absorber Replaces 21345836, 21345868, 21345869, 21490486, 21582262, 22662254, 23145372 For Mack GU713, GU813, CHU613, CXN613
BESTFIT TRUCK PARTS
$54.99Cab Shock Absorber Replaces 21345836, 21345868, 21345869, 21490486* High Quality Cab Shock Absorber* Extended 11.313 Inch * Collapsed 9.203 Inch* 14 mm ID Both Ends* Made In USA* Sold Individually *...11-09500002- SKU:
- 11-09500002
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Mack
- Product Type:
- Frame & Chassis
$54.99Qty in Cart: 0Price:$54.99Subtotal: -
Air Spring Cabin, Sleeve Type Replaces 25166846, 227QS34, 227QS34A For Mack R, RD Models
AFTERMARKET
$44.97Mack Cab Suspension Air SpringRestore smooth, controlled cabin suspension with the Air Spring Cabin, Sleeve Type for Mack R and RD models. Built from high-quality materials and equipped with studs on...11-09500003- SKU:
- 11-09500003
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Product Type:
- Frame & Chassis
$44.97Qty in Cart: 0Price:$44.97Subtotal: -
Adjustment Rod Kit For 5th Wheel Frontaine 3000 Series
AFTERMARKET
$66.99Adjustment Rod Kit Replaces KITROD3000* High Quality Rod Kit* 41.25 Inches Length* Adjustment* Made In USA* Sold Individually * Warranty On Rod Kits Against Defects In Workmanship & Material From...09-05110029- SKU:
- 09-05110029
- Material Options:
- Steel
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$66.99Qty in Cart: 0Price:$66.99Subtotal: -
Rubber Insulator Kit. 4-ABP1, 4-ABP2 For Mack SS34-38 Series Suspension W/ 4 Inch Spring
AFTERMARKET
$245.99Insulator Kit With 4 Upper & 4 Lower Rubber InsulatorsProtect your suspension system and improve driving comfort with the Rubber Insulator Kit for Mack SS34-38 Series, engineered for 4-inch springs...11-05100046- SKU:
- 11-05100046
- Material Options:
- Rubber
- Truck Class:
- Heavy Duty
- Color:
- Black
- Make:
- Mack
- Product Type:
- Frame & Chassis
$245.99Qty in Cart: 0Price:$245.99Subtotal: -
Rubber Insulator Kit Includes 4-ABP4 & 4-ABP2UB For Mack Rear SS34- 38-44 Suspension
AFTERMARKET
$715.99Insulator Kit With 4 Poly Upper & 4 Lower Rubber InsulatorsMaximize the efficiency and durability of your Mack SS34-38-44 rear suspension with the Rubber Insulator Kit, which combines rubber and poly...11-05100047- SKU:
- 11-05100047
- Material Options:
- Plastic/Poly
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Product Type:
- Frame & Chassis
$715.99Qty in Cart: 0Price:$715.99Subtotal: -
12 MM Flange Lock Nut W/ 1.25 Pitch
AUTOMANN USA
$1.9312 MM Flange Lock Nut* High Quality Flanged Lock Nut* 1.25 Pitch* Sold Individually * Warranty On Flanged Lock Nuts Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...09-05250102- SKU:
- 09-05250102
- Truck Class:
- Universal
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$1.93Qty in Cart: 0Price:$1.93Subtotal: -
Bolt Kit W/ 8 Washers And 8 Nuts For Hendrickson Rear AR 340/380 Series
AFTERMARKET
$130.99Bolt Kit Replaces 56659-1* High Quality Bolt Kit* Set Of 8* 8 Bolts* 8 Nuts* 16 Washers* Used On Hendrickson Rear AR 340/380 Series* Sold Individually * Warranty On Bolt Kits Against Defects In...09-05250091- SKU:
- 09-05250091
- Material Options:
- Steel
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$130.99Qty in Cart: 0Price:$130.99Subtotal: -
Steel Washer, 2.125 ID, .50 OD Inch For Ridewell Rear Suspension
AUTOMANN USA
$5.78Thickness 0.19 Inch Washer Ridewell Replaces 1160519B302* High Quality Washer* Steel* 2.125 Inch I.D.* 4.50 Inch O.D.* 0.19 Inch Thickness* Sold Individually * Warranty On Washers Against Defects In...09-05250087- SKU:
- 09-05250087
- Material Options:
- Steel
- Truck Class:
- Universal
- Make:
- Trailer
- Product Type:
- Frame & Chassis
$5.78Qty in Cart: 0Price:$5.78Subtotal: -
Center Bolt Sleeve Lengthener 7/16 ID X 5/8 OD X 0.196 Inch
AUTOMANN USA
$1.147/16 Inch ID X 5/8 Inch OD X 0.196 Inch Leaf Spring Center Bolt Lengthener SleeveUse this bolt sleeve to lengthen your leaf spring center bolt head by an extra 0.196 inch when using tapered shims...09-05250092- SKU:
- 09-05250092
- Material Options:
- Brass Copper
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$1.14Qty in Cart: 0Price:$1.14Subtotal: -
Shock Spacer - 1.5 In OD, 0.81 In ID For Hendrickson Turner
AUTOMANN USA
$5.67Shock Spacer Replaces E11831, A20913* High Quality Shock Spacer* 1 1/2 In OD * 0.810 Inch ID* 1.15625In Thickness* Sold Individually * Warranty On Shock Spacers Against Defects In Workmanship &...09-05250082- SKU:
- 09-05250082
- Diameter Options:
- 1 1/2 Inch
- Truck Class:
- Universal
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$5.67Qty in Cart: 0Price:$5.67Subtotal: -
Shock Spacer - 1 1/2 In OD, 3/4 In ID For Hendrickson Turner
AUTOMANN USA
$6.340.78 Inch Tall Shock Spacer* High Quality Shock Spacer* 3/4 Inch ID* 1.5In OD * 0.78 Inch Height * Sold Individually * Warranty On Shock Spacers Against Defects In Workmanship & Material From Date Of...09-05250081- SKU:
- 09-05250081
- Material Options:
- Brass
- Diameter Options:
- 3/4 Inch
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$6.34Qty in Cart: 0Price:$6.34Subtotal: -
1.5 Inch Shock Spacer, 2.25 In OD, 0.77 In ID
AUTOMANN USA
$9.251.5 Inch Shock Spacer Replaces A23645Maintain perfect suspension alignment with this reliable 1.5 Inch Shock Spacer. With a 2.25-inch OD, 0.77-inch ID, and 1.5-inch height, it strengthens your shock...09-05250083- SKU:
- 09-05250083
- Material Options:
- Brass
- Diameter Options:
- 3/4 Inch
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$9.25Qty in Cart: 0Price:$9.25Subtotal: -
Torque Arm Bolt Kit E-5277, 49176001 For Hendrickson Rear E4 Series
AUTOMANN USA
$5.44Torque Arm Bolt Kit With Cap Screw, Lock Nut, U-Bolt Washer* High Quality Bolt Kit* Includesâ- Cap Screw â- Lock Nut â- U Bolt Washer* For Torque Arm* Sold Individually * Warranty On Bolt Kits...09-05250074- SKU:
- 09-05250074
- Truck Class:
- Universal
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$5.44Qty in Cart: 0Price:$5.44Subtotal: -
1-5/16 Inch ID -12 TPI Nut For 9541 & 9547 Air Springs
AUTOMANN USA
$16.521 1/2 OD, 1-5/16 ID Air Spring NutStrengthen your air spring assemblies with this 1-5/16 Inch ID -12 TPI Nut, designed for 9541 and 9547 air springs. With a 1.5-inch outer diameter and 0.925-inch...09-05250073- SKU:
- 09-05250073
- Truck Class:
- Universal
- Material Options:
- Brass
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$16.52Qty in Cart: 0Price:$16.52Subtotal: -
On SaleLimited Quantity Available
8 Inch Delrin Liner W/ Tab & Hole For 1/2 Inch Nut
AFTERMARKET
Now: $1.42Was: $2.038 X 2.875 Inch Delrin Liner W/ Tab & Hole For 1/2 Inch Nut* High Quality Delrin Liner* 8.00 Inch Length* 2.875 Inch Width* 3/4 Inch Hole With Tab For 1/2 Inch Nut* Sold Individually * Warranty On...09-05250079- SKU:
- 09-05250079
- Material Options:
- Steel
- Length Options:
- 8 Inch
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
- Availability:
- Ready To Ship
Now: $1.42Was: $2.03Qty in Cart: 0Price:Now: $1.42Was: $2.03Subtotal: -
Poly Bracket Pin Cushions For Holland 5th Wheel
AFTERMARKET
$93.99Fifth Wheel Bracket Pin Cushions Replaces FW51-32606, Fw5132606Heavy-duty towing demands dependable components, and the Poly Bracket Pin Cushions for Holland 5th Wheel are designed to meet that...09-05110032- SKU:
- 09-05110032
- Truck Class:
- Universal
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$93.99Qty in Cart: 0Price:$93.99Subtotal: -
Brake Camshaft Tube 18 X 2 Inch ID Replaces E-5243A, R005243A. 31-1440 For Support End
AFTERMARKET
$106.9918 Inch Long Brake Camshaft Tube* High Quality Brake Camshaft Tube* 18.00 Inch Length* 2 Inch Diameter* 1.50 Inch Support End I.D.* 1.625 Inch Spider End I.D. * Meritor Axles* Replacement Bushing For...09-05170247- SKU:
- 09-05170247
- Truck Class:
- Universal
- Material Options:
- Steel
- Diameter Options:
- 2 Inch
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$106.99Qty in Cart: 0Price:$106.99Subtotal: -
0.25 Inch Shim For Hendrickson Rear Haulmaax
BESTFIT TRUCK PARTS
$10.390.25 Inch Shim Replaces E-15155, 60791* High Quality Shim* 1/4 Inch* 0.25 Inch Thickness* Sold Individually * Warranty On Shims Against Defects In Workmanship & Material From Date Of Purchase*** High...09-05100013- SKU:
- 09-05100013
- Width Options:
- 1/4 Inch
- Truck Class:
- Universal
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$10.39Qty in Cart: 0Price:$10.39Subtotal: -
Decking Beam Hoop Set, 32 3/4 Inch
AFTERMARKET
$107.99Load & Cargo Shoring / Decking Beam Hoop Set Replaces 4767010, 1840Upgrade your trailer or truck deck structure with this high-quality 32 3/4 Inch Decking Beam Hoop Set. Crafted from premium...09-02070015- SKU:
- 09-02070015
- Truck Class:
- Universal
- Material Options:
- Aluminum
- Make:
- Universal Items
- Product Type:
- Cargo Control
$107.99Qty in Cart: 0Price:$107.99Subtotal: -
On SaleLimited Quantity Available
Grade 8 Flange Head Cap Screws
AUTOMANN USA
$0.74 - $2.30Choose Option(s) to see description.Flange Bolt 5/8In-11 X 2 Inch, Grade 8Flange Bolt Replaces* High Quality Flange Bolt* 5/8 Inch Bolt Diameter* 2.00 Inch Bolt Length* Bolt Type- Flanged Bolts*...PPR_206137- SKU:
- PPR_206137
- Material Options:
- Steel
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
- Availability:
- Ready To Ship
$0.74 - $2.30Qty in Cart: 0Price:$0.74 - $2.30Subtotal: