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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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Differential Pinion Nut M39 X 1.5 Thread X 2.15 Inch A/F

    Differential Pinion Nut M39 X 1.5 Thread X 2.15 Inch A/F

    AUTOMANN USA

    $15.02
    Differential Pinion Nut 40X1241 And TDA40X1241* High Quality Pinion Nut* Dimensions:  - 2.15 Inch A/F  - 2.63 Inch O.D.* Sold Individually* Warranty On Pinion Nuts Against Defects In Workmanship &...
    09-05210030
    SKU:
    09-05210030
    Material Options:
    Steel
    Diameter Options:
    2 1/2 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $15.02
    Qty in Cart: 0
    Price:
    $15.02
    Subtotal:
  • 1.5 Inch Sleeve Bushing 2 ID X 2.1875 OD X 1.5 Inch OAL For Reyco

    1.5 Inch Sleeve Bushing 2 ID X 2.1875 OD X 1.5 Inch OAL For Reyco

    AUTOMANN USA

    $18.16
    Reyco Sleeve Bushing Replaces 70274201* High Quality Sleeve Bushing* Dimensions:  - 2 Inch ID   - 2.1875 Inch OD   - 1.5 Inch Length* Sold Individually* Warranty On Sleeve Bushings Against Defects In...
    09-05200003
    SKU:
    09-05200003
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Diameter Options:
    2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $18.16
    Qty in Cart: 0
    Price:
    $18.16
    Subtotal:
  • Differential Pinion Nut M45 X 1.5 Thread X 2.35 Inch A/F

    Differential Pinion Nut M45 X 1.5 Thread X 2.35 Inch A/F

    AUTOMANN USA

    $28.11
    Differential Pinion Nut Replaces 40X1242, TDA40X1242Secure your differential assembly with confidence using this M45 x 1.5 Pinion Nut. Its 2.35-inch A/F and 3.062-inch O.D. provide reliable clamping...
    09-05210028
    SKU:
    09-05210028
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Diameter Options:
    2 1/4 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $28.11
    Qty in Cart: 0
    Price:
    $28.11
    Subtotal:
  • Alignment Washer 2 3/4 Inch OD x 1/4 Inch Thick For Reyco, Transpro

    Alignment Washer 2 3/4 Inch OD x 1/4 Inch Thick For Reyco, Transpro

    AUTOMANN USA

    $22.02
    Alignment Washer Replaces 4600* High Quality Washer* Dimensions:  - 1.031 Inch I.D.  - 2.75 Inch O.D.  - 0.25 Inch Thickness* Sold Individually* Warranty On Washers Against Defects In Workmanship &...
    09-05200013
    SKU:
    09-05200013
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Diameter Options:
    1 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $22.02
    Qty in Cart: 0
    Price:
    $22.02
    Subtotal:
  • Axle Raiser 5 Inch W/ 5.5 Degree Camber

    Axle Raiser 5 Inch W/ 5.5 Degree Camber

    AFTERMARKET

    $57.99
    5 Inch Axle Raiser - 5.5 Degree* High Quality Axle Raiser* 5/8 Inch Diameter* 5.5 Degree* Made In USA* Sold Individually* Warranty On Axle Raisers Against Defects In Workmanship & Material From Date...
    09-05090032
    SKU:
    09-05090032
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Length Options:
    5 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • 3/8 Inch-16 X 1.88 Inch Brake Shoe Set Screw

    3/8 Inch-16 X 1.88 Inch Brake Shoe Set Screw

    AUTOMANN USA

    $6.35
    Brake Shoe Set Screw Replaces 26X1030* High Quality Set Screw* Dimensions:  - 1.188 Inch Length  - 0.892 Inch Thread Length* Threads: 3/8 Inch-16* Sold Individually* Warranty On Set Screws Against...
    09-05170296
    SKU:
    09-05170296
    Material Options:
    Steel
    Length Options:
    1 1/8 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $6.35
    Qty in Cart: 0
    Price:
    $6.35
    Subtotal:
  • TPHD Type 12 Air Brake Diaphragm - 5.5 Inch OD

    TPHD Type 12 Air Brake Diaphragm - 5.5 Inch OD

    TURNPIKE TRUCK TRIM

    $5.07
    Replacement 5.5 Inch Air Chamber Diaphragm - Type 12* High Quality Diaphragm* Dimensions:  - 1.295 Inch Height   - 5.5 Inch Outer Diameter* Type 12* Sold Individually* Warranty On Diaphragms Against...
    09-05170260
    SKU:
    09-05170260
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Diameter Options:
    5 1/2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $5.07
    Qty in Cart: 0
    Price:
    $5.07
    Subtotal:
  • TPHD Type 20 Air Brake Diaphragm - 6.55 Inch OD

    TPHD Type 20 Air Brake Diaphragm - 6.55 Inch OD

    TURNPIKE TRUCK TRIM

    $4.35
    Replacement 6.55 Inch Air Chamber Diaphragm - Type 20* High Quality Diaphragm* Dimensions:  - 1.295 Inch Height  - 6.55 Inch Outer Diameter* Type 20* Sold Individually* Warranty On Diaphragms Against...
    09-05170258
    SKU:
    09-05170258
    Material Options:
    Plastic/Poly
    Diameter Options:
    6 1/2 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $4.35
    Qty in Cart: 0
    Price:
    $4.35
    Subtotal:
  • TPHD Type 16 Air Brake Diaphragm - 6.16 Inch OD

    TPHD Type 16 Air Brake Diaphragm - 6.16 Inch OD

    TURNPIKE TRUCK TRIM

    $5.08
    Replacement 6.16 Inch Air Chamber Diaphragm - Type 16* High Quality Diaphragm* Dimensions:  - 1.295 Inch Height  - 6.16 Inch Outer Diameter* Type 16* Sold Individually* Warranty On Diaphragms Against...
    09-05170259
    SKU:
    09-05170259
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Diameter Options:
    6 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $5.08
    Qty in Cart: 0
    Price:
    $5.08
    Subtotal:
  • Fifth Wheel Bracket Pin & Bushing Liner Kit For Fontaine

    Fifth Wheel Bracket Pin & Bushing Liner Kit For Fontaine

    OPP - ORIGINAL PARTS PROGRAM

    $167.99
    Fifth Wheel Repair Kit - Pin and Bushing Liners for LWB, MTB, BSM, ATB, and PMA Brackets* High Quality Fifth Wheel Repair Kit* Includes:  - Bracket Pins  - Bushing Liners  - 2 Piece Bushings  -...
    09-05110245
    SKU:
    09-05110245
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $167.99
    Qty in Cart: 0
    Price:
    $167.99
    Subtotal:
  • TPHD Type 36 Long Stroke Air Brake Diaphragm - 7.875 Inch OD

    TPHD Type 36 Long Stroke Air Brake Diaphragm - 7.875 Inch OD

    TURNPIKE TRUCK TRIM

    $7.62
    Replacement 7.875 Inch Air Chamber Diaphragm - Type 36* High Quality Diaphragm* Dimensions:  - 1.905 Inch Height  - 7.875 Inch Outer Diameter* Type 36* Sold Individually* Warranty On Diaphragms...
    09-05170255
    SKU:
    09-05170255
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Diameter Options:
    8 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $7.62
    Qty in Cart: 0
    Price:
    $7.62
    Subtotal:
  • TPHD Type 9 Long Stroke Air Brake Diaphragm - 5 Inch OD

    TPHD Type 9 Long Stroke Air Brake Diaphragm - 5 Inch OD

    TURNPIKE TRUCK TRIM

    $5.08
    Replacement 5 Inch Air Chamber Diaphragm - Type 9* High Quality Diaphragm* Dimensions:  - 1.375 Inch Height  - 5 Inch Outer Diameter* Type 9* Sold Individually* Warranty On Diaphragms Against Defects...
    09-05170252
    SKU:
    09-05170252
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Diameter Options:
    5 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $5.08
    Qty in Cart: 0
    Price:
    $5.08
    Subtotal:
  • Cross Tube End Clip 5/8 - 11 Thread X 1.5 Inch

    Cross Tube End Clip 5/8 - 11 Thread X 1.5 Inch

    AUTOMANN USA

    $9.24
    TRW Friction Clamp Type Cross Tube End Clip* High Quality Cross Tube End Clip* Dimensions:  - 3 Inch Length  - 1 1/2 Inch Diameter* Thread- 5/8 Inch-11* Made In USA* Sold Individually* Warranty On...
    09-05090033
    SKU:
    09-05090033
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $9.24
    Qty in Cart: 0
    Price:
    $9.24
    Subtotal:
  • 36 Inch Fifth Wheel Graphite Lube Disk W/ Steel Retention Ring

    36 Inch Fifth Wheel Graphite Lube Disk W/ Steel Retention Ring

    AFTERMARKET

    $89.99
    Fifth Wheel Graphite Lube DiskThe 36-inch Fifth Wheel Graphite Lube Disk keeps things smooth by releasing graphite as it wears. Its black design with a retaining ring ensures durability. Perfect for...
    09-05110034
    SKU:
    09-05110034
    Truck Class:
    Heavy Duty
    Diameter Options:
    36 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • Pull Handle - Replaces KITPUL3000 For Fontaine 3000 Series

    Pull Handle - Replaces KITPUL3000 For Fontaine 3000 Series

    AFTERMARKET

    $75.99
    Fontaine 3000 Series Pull Handle Replacement* High Quality Handle* Made In USA* Sold Individually* Warranty On Handles Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    09-05110031
    SKU:
    09-05110031
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $75.99
    Qty in Cart: 0
    Price:
    $75.99
    Subtotal:
  • 18 Inch Stainless Steel Tribal Mud Flap Bottom Weights By Lincoln Chrome

    18 Inch Stainless Steel Tribal Mud Flap Bottom Weights By Lincoln Chrome

    LINCOLN CHROME

    $100.99
    14 Gauge 304 SS Tribal 18 Inch Bottom Flap Weight - PairUpgrade your ride with our 18-inch tribal bottom mudflap weights. Crafted from durable 14G 304 stainless steel, they're sold in convenient...
    09-05070099
    SKU:
    09-05070099
    Product Type:
    Mud Flaps
    $100.99
    Qty in Cart: 0
    Price:
    $100.99
    Subtotal:
  • Auxiliary Spring - 58947000 For Hendrickson

    Auxiliary Spring - 58947000 For Hendrickson

    AFTERMARKET

    $104.99
    Rear Hendrickson Spring Insulator* High Quality Auxiliary Spring* Dimensions:  - 4 Inch Height  - Hole Size- 2.75 Inch X 0.625 Inch* Made In USA* Sold Individually* Warranty On Auxiliary Springs...
    29-05100123
    SKU:
    29-05100123
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • Air Spring Rolling Lobe With Plastic Base - 9643, 69658, 58995002 For Hendrickson

    Air Spring Rolling Lobe With Plastic Base - 9643, 69658, 58995002 For Hendrickson

    AFTERMARKET

    $285.99
    Hendrickson Rolling Lobe Air SpringExperience a smooth ride with the Rolling Lobe Air Spring With Plastic Base. Engineered to keep trucks moving smoothly, it minimizes vibration and maintains ride...
    29-05100238
    SKU:
    29-05100238
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $285.99
    Qty in Cart: 0
    Price:
    $285.99
    Subtotal:
  • Mufflers With Interior Baffles 4 Inch Inlet / Outlet

    Mufflers With Interior Baffles 4 Inch Inlet / Outlet

    AFTERMARKET

    $271.99 - $389.99
    Maximize your truck's exhaust performance with these durable Mufflers with Interior Baffles featuring 4-inch inlet and outlet. With options including 9 Inch Diameter x 51 Inch OAL, 10 Inch Diameter x...
    PPR_298971
    SKU:
    PPR_298971
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $271.99 - $389.99
    Qty in Cart: 0
    Price:
    $271.99 - $389.99
    Subtotal:
  • Paralift Beam Assembly For Hendrickson

    Paralift Beam Assembly For Hendrickson

    AFTERMARKET

    $506.99
    Choose Option(s) to see description.Paralift Beam Assembly - Replaces D147841 For HendricksonHendrickson Beam Assembly For Driver Side Inboard or Passenger Outboard* High Quality Beam Assembly*...
    PPR_298967
    SKU:
    PPR_298967
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $506.99
    Qty in Cart: 0
    Price:
    $506.99
    Subtotal:
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Adding your products to cart

Frequently Asked Questions About Mack Truck Parts

What Mack truck models and years are your parts compatible with?

Our Mack truck parts cover a wide range of models including the Anthem, Pinnacle, Granite, and older CH, CL, and Vision series. Most of our parts fit trucks from 1990 to current model years. Each product listing includes specific model and year compatibility information. For older Mack models like the R-Model or Superliner, availability is more limited but we do carry select restoration parts. Always check the product description or contact our team with your OEM for exact fitment verification.

Are aftermarket Mack parts as reliable as OEM parts?

We carry both genuine OEM Mack parts and high-quality aftermarket alternatives. Our aftermarket parts are manufactured to meet or exceed OEM specifications and often come from the same suppliers that manufacture for Mack. Chrome bumpers, for example, typically feature triple-chrome plating with proper nickel and copper base layers for durability. Many customers choose aftermarket options for better pricing without sacrificing quality. All parts come with manufacturer warranties, typically ranging from 1 to 3 years depending on the component.

What tools and skills do I need to install Mack truck parts myself?

Installation difficulty varies by part type. Basic items like mirrors, grab handles, and light bars typically require standard hand tools and can be installed in 30-60 minutes. Bumpers and grilles usually need two people, basic mechanical skills, and may require drilling for non-OEM replacements. Engine components, electrical parts, and suspension items often require specialized tools and professional installation. We provide installation instructions when available, and our tech support can guide you on whether a part is DIY-friendly for your skill level.

How do I choose between chrome, stainless steel, and painted finishes?

Chrome provides the classic polished look but requires regular maintenance to prevent pitting and rust, especially in northern climates with road salt. Stainless steel offers excellent corrosion resistance with less maintenance but costs 20-30% more than chrome. Painted finishes are most economical and can be color-matched to your truck but may need repainting after 5-7 years. For work trucks in harsh conditions, we recommend stainless steel. For show trucks or mild climates, chrome delivers the best appearance. Consider your climate, maintenance schedule, and budget when choosing.

What is your return policy if a part doesn't fit my Mack truck?

We accept returns on most Mack truck parts within 30 days of purchase if they're unused and in original packaging. Electrical parts, custom-ordered items, and clearance parts are non-returnable. If a part doesn't fit due to our error in listing compatibility, we cover return shipping. For customer-ordered incorrect parts, you're responsible for return shipping costs. We recommend double-checking fitment before ordering, and our customer service team is available at 1-417-775-7878 to verify compatibility before you purchase.


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