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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
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  • Price
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  • FREE SHIPPING OVER $249
    Stainless Steel Angled Down Mirror Bracket For Watermelon Light

    Stainless Steel Angled Down Mirror Bracket For Watermelon Light

    JML KUSTOMS

    $152.99
    Angled Down Style Mirror Bracket For Watermelon LightEnhance your truck's lighting setup with this high-quality Stainless Steel Angled Down Mirror Bracket, designed for a single watermelon light. Its...
    09-161000056
    SKU:
    09-161000056
    Product Type:
    Lighting
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
    Subtotal:
  • Stainless Steel Bunk Light Adapter Kit Without Lights

    Stainless Steel Bunk Light Adapter Kit Without Lights

    SHIFT PRODUCTS

    $31.78
    Bunk Light Adapter Kit Without LightsEnsure your truck's bunk lights are securely mounted with this Stainless Steel Bunk Light Adapter Kit, made for red watermelon lenses. The stainless steel backing...
    09-16100176
    SKU:
    09-16100176
    Color:
    Red
    Style Options:
    Watermelon
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Product Type:
    Lighting
    Make:
    Universal Items
    $31.78
    Qty in Cart: 0
    Price:
    $31.78
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Angled Down Mirror Bracket For Stud Mount Watermelon Light

    Stainless Steel Angled Down Mirror Bracket For Stud Mount Watermelon Light

    JML KUSTOMS

    $142.99
    Angled Down Style Mirror Bracket For Stud Mount Watermelon LightOptimize your truck's mirror lighting with this durable Stainless Steel Angled Down Mirror Bracket, designed for a single stud-mount...
    09-161000057
    SKU:
    09-161000057
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Product Type:
    Lighting
    Make:
    Universal Items
    $142.99
    Qty in Cart: 0
    Price:
    $142.99
    Subtotal:
  • Chrome Plastic 2-1/2 Inch Trailer Light Housing

    Chrome Plastic 2-1/2 Inch Trailer Light Housing

    LIFETIME NUT COVERS

    $11.01
    Chrome 2-1/2 Inch Trailer Light HousingProtect and stylize your trailer lights with this high-quality Chrome Plastic 2-1/2 Inch Trailer Light Housing. Made from chrome-plated ABS plastic, it resists...
    09-161000051
    SKU:
    09-161000051
    Material Options:
    Plastic/Poly
    Finish Options:
    Chrome-Plated
    Width Options:
    2 1/2 Inch
    Product Type:
    Lighting
    Location:
    Made In USA
    Make:
    Universal Items
    $11.01
    Qty in Cart: 0
    Price:
    $11.01
    Subtotal:
  • Stainless Steel Angle Down Turn Signal Bracket With Watermelon Light Hole

    Stainless Steel Angle Down Turn Signal Bracket With Watermelon Light Hole

    JML KUSTOMS

    $61.99
    Angle Down Turn Signal Bracket With Watermelon Light HoleUpgrade your truck's lighting setup with this high-quality Stainless Steel Angle Down Turn Signal Bracket with Watermelon Light Hole. Designed...
    09-161000050
    SKU:
    09-161000050
    Product Type:
    Exterior
    Light Options:
    Without Lights
    Style Options:
    Angled
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Gray Poly Single Axle Fender

    Gray Poly Single Axle Fender

    SHIFT PRODUCTS

    $163.99
    Poly Single Axle Fender- GrayProtect your truck with this high-quality Gray Poly Single Axle Fender. Made from tough polycarbonate, it can withstand extreme hot and cold temperatures without cracking...
    09-110501050
    SKU:
    09-110501050
    Material Options:
    Plastic/Poly
    Color:
    Gray
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $163.99
    Qty in Cart: 0
    Price:
    $163.99
    Subtotal:
  • Stainless Steel Hardware For Fender Plates

    Stainless Steel Hardware For Fender Plates

    WTI FENDERS

    $3.87
    Hardware For Fender Plates- 3-3/8 X 1.25 Inch Bolt, 3-3/8 Inch Fender Washer, 3-3/8 Inch Std. Washer, 3-Nylock NutSecure your fender plates with this high-quality Stainless Steel Hardware Kit. This...
    09-111000049
    SKU:
    09-111000049
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $3.87
    Qty in Cart: 0
    Price:
    $3.87
    Subtotal:
  • PP1 Type Dash Control Valve Replaces 287600, 287600N, 287600X, BW287600N, 1681044C91, R955287600, 034014

    PP1 Type Dash Control Valve Replaces 287600, 287600N, 287600X, BW287600N, 1681044C91, R955287600, 034014

    AUTOMANN USA

    $29.68
    Push- Pull Dash Control ValveEnsure accurate air pressure control with this PP1 Type Dash Control Valve, engineered for heavy-duty trucks and commercial vehicles. It includes two 1/4-inch NPT...
    09-15010119
    SKU:
    09-15010119
    Product Type:
    Interior
    Rating:
    40 PSI
    Make:
    Universal Items
    $29.68
    Qty in Cart: 0
    Price:
    $29.68
    Subtotal:
  • 12V Solenoid Air Valve

    12V Solenoid Air Valve

    AFTERMARKET

    $72.99
    3.313 Inch 12V Solenoid Air ValveReliable air control starts with this 12V Solenoid Air Valve, built for heavy-duty trucks and trailers. Featuring two 1/8 NPT ports for flexible connections and a 0...
    09-07120006
    SKU:
    09-07120006
    Length Options:
    3 1/4 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $72.99
    Qty in Cart: 0
    Price:
    $72.99
    Subtotal:
  • Brake Shoe Washer 1.30 ID X 1.875 OD Replaces 32180, 820182, B-2019, E1113, 1229B1848, 1229G2971, 1229Q433, 35-1580

    Brake Shoe Washer 1.30 ID X 1.875 OD Replaces 32180, 820182, B-2019, E1113, 1229B1848, 1229G2971, 1229Q433, 35-1580

    AUTOMANN USA

    $0.56
    1.30 ID X 1.875 OD Brake Shoe WasherFor reliable brake shoe alignment and secure assembly, trust this high-quality Brake Shoe Washer. Measuring 1.30 inches inner diameter, 1.875 inches outer...
    09-05170287
    SKU:
    09-05170287
    Diameter Options:
    1 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $0.56
    Qty in Cart: 0
    Price:
    $0.56
    Subtotal:
  • Lincoln Chrome 6-5 X 36 Inch Chrome Miter Exhaust Stack

    Lincoln Chrome 6-5 X 36 Inch Chrome Miter Exhaust Stack

    LINCOLN CHROME

    $258.99
    6-5 X 36 Inch Miter Exhaust Stack By Lincoln ChromeBoost your truck's exhaust efficiency with this Lincoln Chrome 6-5 X 36 Inch Chrome Miter Exhaust Stack. Featuring a mitered top and plain end, it's...
    09-08653611
    SKU:
    09-08653611
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Height Options:
    36 Inch
    Product Type:
    Exhaust
    Style Options:
    Miter Cut
    Material Options:
    Steel
    Make:
    Universal Items
    $258.99
    Qty in Cart: 0
    Price:
    $258.99
    Subtotal:
  • E7 Type Brake Valve Replaces 287440

    E7 Type Brake Valve Replaces 287440

    AFTERMARKET

    $180.99
    E7 Type Brake ValveOptimize your truck's air brake system with this E7 Type Brake Valve, a replacement for 287440 designed for dual circuit foot operation. Featuring O-ring sealed flange ports, three...
    09-05170224
    SKU:
    09-05170224
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $180.99
    Qty in Cart: 0
    Price:
    $180.99
    Subtotal:
  • Fan Clutch Solenoid Valve- 2 Pin

    Fan Clutch Solenoid Valve- 2 Pin

    AFTERMARKET

    $92.99
    Fan Clutch Solenoid ValveEnsure precise fan clutch operation and reliable engine cooling with this high-quality 2-Pin Fan Clutch Solenoid Valve. Designed for heavy-duty trucks, it features a 2-pin...
    09-07120007
    SKU:
    09-07120007
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $92.99
    Qty in Cart: 0
    Price:
    $92.99
    Subtotal:
  • BESTfit Camshaft Bushing 1.50 ID X 2.469 OD X 1.75 Inch Replaces M10WJ237X, E9792A, R617015

    BESTfit Camshaft Bushing 1.50 ID X 2.469 OD X 1.75 Inch Replaces M10WJ237X, E9792A, R617015

    BESTFIT TRUCK PARTS

    $8.35
    1.50 ID X 2.469 OD X 1.75 Inch Camshaft Bushing By BESTfitDepend on this BESTfit Camshaft Bushing to provide long-lasting, low-maintenance performance for your axles. Replacement for M10WJ237X,...
    09-05170150
    SKU:
    09-05170150
    Diameter Options:
    2 1/2 Inch
    Length Options:
    1 3/4 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $8.35
    Qty in Cart: 0
    Price:
    $8.35
    Subtotal:
  • 12V Fan Clutch Solenoid Valve- 2 Pin

    12V Fan Clutch Solenoid Valve- 2 Pin

    AFTERMARKET

    $91.99
    12V Fan Clutch Solenoid ValveMaintain precise engine cooling and optimal fan clutch performance with this high-quality 12V 2-Pin Fan Clutch Solenoid Valve. Designed for heavy-duty truck applications,...
    09-07120008
    SKU:
    09-07120008
    Length Options:
    3 1/4 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • Brake Shoe Lock Screw Replaces 22139, B1213, E579A. 219297, 254253, S265D, S266D, S266D1, 34-1539 .M10HM130, 400103

    Brake Shoe Lock Screw Replaces 22139, B1213, E579A. 219297, 254253, S265D, S266D, S266D1, 34-1539 .M10HM130, 400103

    AUTOMANN USA

    $0.78
    0.938 Inch Brake Shoe Lock ScrewEnsure secure and reliable brake shoe installation with this high-quality Brake Shoe Lock Screw. Specifically engineered for Meritor drive axles measuring 18 Inch X 7...
    09-05170290
    SKU:
    09-05170290
    Length Options:
    1 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $0.78
    Qty in Cart: 0
    Price:
    $0.78
    Subtotal:
  • Cross Tube End Clip Replaces 8226-L26CP12A10, 48RU1856A, 267147C91

    Cross Tube End Clip Replaces 8226-L26CP12A10, 48RU1856A, 267147C91

    AUTOMANN USA

    $9.23
    Cross Tube End Clip For 1-5/8 Inch Tube* High Quality Cross Tube End Clip* TRW Friction Clamp Type* A/F: 0.937" Nut And Bolt With M16 - 1.5" Thread Included* 3 Inch Length* 1.687 Inch Diameter* Sold...
    09-05250086
    SKU:
    09-05250086
    Length Options:
    3 Inch
    Product Type:
    Frame & Chassis
    Diameter Options:
    1 1/2 Inch
    Make:
    Universal Items
    $9.23
    Qty in Cart: 0
    Price:
    $9.23
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Plastic Air Line, 3/4 Inch OD - Sold Per Foot

    Black Plastic Air Line, 3/4 Inch OD - Sold Per Foot

    PARTS DISTRIBUTING

    $6.11
    Airline* High Quality Air Line * Made Of Plastic * 3/4 Inches* Sold By Foot* Warranty On Airline Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    09-0508008
    SKU:
    09-0508008
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $6.11
    Qty in Cart: 0
    Price:
    $6.11
    Subtotal:
  • King Pin Cap Replaces 001622, 1436610008, 143661-0008, 2HB777, 9HD828, R001622, R-001622

    King Pin Cap Replaces 001622, 1436610008, 143661-0008, 2HB777, 9HD828, R001622, R-001622

    AUTOMANN USA

    $16.52
    2.25 Inch King Pin CapProtect your king pin assembly with this high-quality King Pin Cap. Specifically engineered for 13K - 16K Westport axles, it features 2.0-inch, 20-thread construction, a 1...
    09-05200001
    SKU:
    09-05200001
    Diameter Options:
    2 1/4 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $16.52
    Qty in Cart: 0
    Price:
    $16.52
    Subtotal:
  • 15.25 Inch Hydraulic Disc Brake Rotor Replaces R4483020, E-14738

    15.25 Inch Hydraulic Disc Brake Rotor Replaces R4483020, E-14738

    AFTERMARKET

    $257.99
    15.25 Inch Hydraulic Disc RotorExperience superior braking efficiency with this 15.25 Inch Hydraulic Disc Brake Rotor. Its hat-shaped rotor design enhances heat dispersion and strength, while ten 0...
    09-05170235
    SKU:
    09-05170235
    Height Options:
    2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
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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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