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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.
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  • Steel Standard Post Style Round End Fender Mount Kit

    Steel Standard Post Style Round End Fender Mount Kit

    TRAMEC SLOAN

    $413.99
    32.5 Inch Standard Post Style Round End Fender Mount Kit* High Quality Mount Kit* Standard Post Style Round End* Roadkote Finish* Includes:  - (4) End Mount Tubes  - (4) End Caps  - (4) Pivot Bars...
    09-11100054
    SKU:
    09-11100054
    Color:
    Black
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Position:
    Kit Full
    Length Options:
    32 1/2 Inch
    Ready To Ship:
    Yes
    $413.99
    Qty in Cart: 0
    Price:
    $413.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Stainless Steel Fender Side Mount Arm

    Stainless Steel Fender Side Mount Arm

    TRUX ACCESSORIES

    Now: $71.27
    Was: $80.99
    31 Inch 14 Gauge Stainless Steel Fender Side Mount Arm* High Quality Side Mount Arm* Universal* Smooth Finish* Welded End* Each Thread Has A 2000 Lbs Resistance* 14 Gauge Stainless Steel* 31 Inch...
    09-11100022
    SKU:
    09-11100022
    Material Options:
    Stainless Steel
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Size Options:
    14 Gauge
    Length Options:
    31 Inch
    Finish Options:
    Smooth
    Now: $71.27
    Was: $80.99
    Qty in Cart: 0
    Price:
    Now: $71.27
    Was: $80.99
    Subtotal:
  • Black Double Hump Poly Fender- Front Section

    Black Double Hump Poly Fender- Front Section

    MINIMIZER

    $326.99
    Double Hump Poly Fender* High Quality Front Fender* Made Of Polycarbonate* Designed To Fit A Tandem Axle Tractor Or Trailer With 54 Inch Axle Spread* Front Section Of Double Hump Fender Only (Rear...
    09-110503013
    SKU:
    09-110503013
    Color:
    Black
    Position:
    Front
    Product Type:
    Rear Fenders
    Length Options:
    51 Inch
    Width Options:
    26 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $326.99
    Qty in Cart: 0
    Price:
    $326.99
    Subtotal:
  • Hogebuilt Down Low Half Fender Mounting Kit

    Hogebuilt Down Low Half Fender Mounting Kit

    HOGEBUILT FENDERS

    $1,317.99
    Down Low Half Fender Mounting KitKeep your truck's fenders secure and stylish with the Hogebuilt Down Low Half Fender Mounting Kit. Engineered for most clean frame applications, this kit features...
    09-11030126
    SKU:
    09-11030126
    Material Options:
    Steel
    Product Type:
    Rear Fenders
    Color:
    Black
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Position:
    Kit Full
    Type Options:
    Half Fender
    $1,317.99
    Qty in Cart: 0
    Price:
    $1,317.99
    Subtotal:
  • Hogebuilt Down Low Half Fender Mounting Kit For Air Trac Suspensions W/ 24.5 Inch Tires

    Hogebuilt Down Low Half Fender Mounting Kit For Air Trac Suspensions W/ 24.5 Inch Tires

    HOGEBUILT FENDERS

    $1,103.99
    Down Low Half Fender Mounting Kit Fits Air Trac Suspensions W/ 24.5 Inch TiresEnhance your truck's fender system with the Hogebuilt Down Low Half Fender Mounting Kit, compatible with most Air Trac...
    09-11030128
    SKU:
    09-11030128
    Color:
    Black
    Product Type:
    Rear Fenders
    Material Options:
    Steel
    Make:
    Universal Items
    Position:
    Kit Full
    Type Options:
    Half Fender
    Style Options:
    Air Trac Suspension
    $1,103.99
    Qty in Cart: 0
    Price:
    $1,103.99
    Subtotal:
  • Hogebuilt Down Low Half Fender Mounting Kit For Air Trac Suspensions W/ 22.5 or 24.5 Inch Low Pro Tires

    Hogebuilt Down Low Half Fender Mounting Kit For Air Trac Suspensions W/ 22.5 or 24.5 Inch Low Pro Tires

    HOGEBUILT FENDERS

    $1,103.99
    Down Low Half Fender Mounting Kit Fits Air Trac Suspensions W/ 22.5 or 24.5 Inch Low Pro TiresInstall the Hogebuilt Down Low Half Fender Mounting Kit for reliable protection on Air Trac suspensions...
    09-11030127
    SKU:
    09-11030127
    Product Type:
    Rear Fenders
    Material Options:
    Steel
    Color:
    Black
    Make:
    Universal Items
    Position:
    Kit Full
    Type Options:
    Half Fender
    $1,103.99
    Qty in Cart: 0
    Price:
    $1,103.99
    Subtotal:
  • Stainless Steel West Coast Mirror- Heated

    Stainless Steel West Coast Mirror- Heated

    LUVERNE

    $43.65
    7 X 16 Inch West Coast Mirror- Heated & Stud Mount* High Quality Mirror Head* West Coast Style* Mirror - Heated* Non-Glare Glass* Stainless Steel* 7 Inch Width* 16 Inch Height* Stud Mount* Sold...
    09-09150098
    SKU:
    09-09150098
    Product Type:
    Exterior
    Width Options:
    7 Inch
    Material Options:
    Stainless Steel
    Height Options:
    16 Inch
    Style Options:
    West Coast Style
    Type Options:
    Heated
    Make:
    Universal Items
    $43.65
    Qty in Cart: 0
    Price:
    $43.65
    Subtotal:
  • 120 Inch Stainless Steel Full Fender

    120 Inch Stainless Steel Full Fender

    TPHD

    $1,821.99
    120 Inch 16 Gauge Stainless Steel Full Fender* High Quality Full Fender* 1.5 Inch Rolled Edges* No Flange* 16 Gauge Stainless Steel* 120 Inch Overall Length* 24 Inch Width* Sold Individually* No...
    09-110301013
    SKU:
    09-110301013
    Material Options:
    Stainless Steel
    Product Type:
    Rear Fenders
    Size Options:
    16 Gauge
    Length Options:
    120 Inch
    Width Options:
    24 Inch
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Full Fender
    $1,821.99
    Qty in Cart: 0
    Price:
    $1,821.99
    Subtotal:
  • 8 X 108 Inch Chrome West Coast Turn Exhaust Stack By BESTfit

    8 X 108 Inch Chrome West Coast Turn Exhaust Stack By BESTfit

    BESTFIT TRUCK PARTS

    $1,094.99
    BESTfit 8 X 108 Inch West Coast Turn Exhaust Stack* High Quality Exhaust Stack* West Coast Turn* Chrome-Plated Steel* 8 Inch Outer Diameter* 108 Inch Height* Sold Individually* Warranty On Exhaust...
    09-088010809
    SKU:
    09-088010809
    Product Type:
    Exhaust
    Diameter Options:
    8 Inch
    Style Options:
    West Coast Turn
    Height Options:
    108 Inch
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $1,094.99
    Qty in Cart: 0
    Price:
    $1,094.99
    Subtotal:
  • 6 X 16 Inch Aluminum West Coast Mirror- Yellow Chevron Embossed Back

    6 X 16 Inch Aluminum West Coast Mirror- Yellow Chevron Embossed Back

    LUVERNE

    $53.99
    6 X 16 Inch Flange Mount West Coast Mirror- Yellow Chevron Embossed Back* High Quality Mirror Head* West Coast Style* Waterproof LED Rocker Switch* Yellow Chevron* Non-Glare Glass* Anodized Aluminum*...
    09-09150021
    SKU:
    09-09150021
    Product Type:
    Exterior
    Width Options:
    6 Inch
    Height Options:
    16 Inch
    Material Options:
    Aluminum
    Style Options:
    West Coast Style
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • 7 X 16 Inch Stainless Steel West Coast Mirror- Heated

    7 X 16 Inch Stainless Steel West Coast Mirror- Heated

    LUVERNE

    $276.99
    7 X 16 Inch Motorized West Coast Mirror* High Quality Mirror Head* West Coast Style* Motorized West Coast Single Vision Mirror Heads* Heated* 4-Way Actuators - Common Components* Vertical And...
    09-09150045
    SKU:
    09-09150045
    Product Type:
    Exterior
    Finish Options:
    Polished
    Style Options:
    West Coast Style
    Type Options:
    Heated
    Height Options:
    16 Inch
    Width Options:
    7 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $276.99
    Qty in Cart: 0
    Price:
    $276.99
    Subtotal:
  • 6-5 X 48 Inch Chrome West Coast Turn Exhaust Stack By BESTfit

    6-5 X 48 Inch Chrome West Coast Turn Exhaust Stack By BESTfit

    BESTFIT TRUCK PARTS

    $373.99
    BESTfit 6-5 X 48 Inch West Coast Turn Exhaust Stack* High Quality Exhaust Stack* West Coast * Chrome* 6 Inch Outer Diameter Reduces To 5 Inch Outer Diameter* 48 Inch Height* Sold Individually*...
    09-086536082
    SKU:
    09-086536082
    Product Type:
    Exhaust
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Height Options:
    48 Inch
    Style Options:
    West Coast Turn
    Diameter Options:
    6 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $373.99
    Qty in Cart: 0
    Price:
    $373.99
    Subtotal:
  • 7 X 52 Inch Chrome Plated Stainless Steel Exhaust Spool

    7 X 52 Inch Chrome Plated Stainless Steel Exhaust Spool

    LINCOLN CHROME

    $529.99
    7 X 52 Inch Exhaust Spool* High Quality Exhaust Spool* Has Tapered Top To Match OD Stack And On Inlet End* Chrome Plated Stainless Steel* Dimensions:  - 7 Inch OD  - 52 Inch Height* Sold...
    09-082705236
    SKU:
    09-082705236
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Product Type:
    Exhaust
    Height Options:
    52 Inch
    Diameter Options:
    7 Inch
    Location:
    Made In USA
    Style Options:
    Tapered
    Make:
    Universal Items
    $529.99
    Qty in Cart: 0
    Price:
    $529.99
    Subtotal:
  • 7-5 X 48 Inch Chrome Short 30 Turn Exhaust Stack

    7-5 X 48 Inch Chrome Short 30 Turn Exhaust Stack

    LINCOLN CHROME

    $446.99
    7-5 OD X 48 Inch Short 30 Turn Exhaust Stack* High Quality Exhaust Stack* Plain End* Short 30 Top* Chrome Plated Stainless Steel* 48 Inch Length* 7 Inch To 5 Inch Outer Diameter* Sold Individually*...
    09-08704806
    SKU:
    09-08704806
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Style Options:
    Short 30 Turn
    Location:
    Made In USA
    Height Options:
    48 Inch
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Diameter Options:
    7 To 5 Inch
    $446.99
    Qty in Cart: 0
    Price:
    $446.99
    Subtotal:
  • 5 to 4 X 8 Inch Aluminized Steel Turbo Adapter

    5 to 4 X 8 Inch Aluminized Steel Turbo Adapter

    BESTFIT TRUCK PARTS

    $69.03
    5 to 4 X 8 Inch Turbo Adapter* High Quality Exhaust Pipe Reducer* Turbo/Manifold Adapter* Made Of Aluminized Steel* Dimensions:  - 8 Inch Length  - 4 Inch Inner Diameter  - 5 Inch Outer Diameter To 5...
    09-08011443
    SKU:
    09-08011443
    Product Type:
    Exhaust
    Diameter Options:
    5 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    $69.03
    Qty in Cart: 0
    Price:
    $69.03
    Subtotal:
  • 7-5 X 36 Inch Chrome Bull Hauler Exhaust Stack

    7-5 X 36 Inch Chrome Bull Hauler Exhaust Stack

    LINCOLN CHROME

    $460.99
    7-5 OD X 36 Inch Bull Hauler Exhaust Stack* High Quality Exhaust Stack* Bullhorn Top Style* Expanded And Slotted End* Chrome Plated Finish* 36 Inch Height* 7 Inch Reduced To 5 Inch Inner Diameter*...
    09-08010981
    SKU:
    09-08010981
    Finish Options:
    Chrome-Plated
    Height Options:
    36 Inch
    Product Type:
    Exhaust
    Location:
    Made In USA
    Make:
    Universal Items
    Material Options:
    Steel
    Style Options:
    Bullhorn Top Style
    $460.99
    Qty in Cart: 0
    Price:
    $460.99
    Subtotal:
  • 6-5 X 36 Inch Chrome Curve Turn Exhaust Stack

    6-5 X 36 Inch Chrome Curve Turn Exhaust Stack

    TRUX ACCESSORIES

    $188.99
    6-5 OD X 36 Inch Curve Turn Exhaust Stack* High Quality Exhaust Stack* Curved Top Style* Plain End* Chrome Plated Steel* 36 Inch Height* 6 Inch Reduced To 5 Inch Outer Diameter* Sold Individually*...
    09-08011453
    SKU:
    09-08011453
    Height Options:
    36 Inch
    Finish Options:
    Chrome-Plated
    Style Options:
    Curve Turn
    Product Type:
    Exhaust
    Make:
    Universal Items
    Material Options:
    Steel
    Diameter Options:
    6 To 5 Inch
    $188.99
    Qty in Cart: 0
    Price:
    $188.99
    Subtotal:
  • 7-5 X 84 Chrome Miter Exhaust Stack

    7-5 X 84 Chrome Miter Exhaust Stack

    LINCOLN CHROME

    $716.99
    7-5 OD X 84 Miter Exhaust Stack* High Quality Exhaust Stack* Miter Top Style* Plain End* Chrome Plated Finish* 84 Inch Length* 7 Inch Reduced To 5 Inch Outer Diameter* Sold Individually* Warranty On...
    09-08010755
    SKU:
    09-08010755
    Location:
    Made In USA
    Product Type:
    Exhaust
    Height Options:
    84 Inch
    Finish Options:
    Chrome-Plated
    Style Options:
    Miter Cut
    Make:
    Universal Items
    Material Options:
    Steel
    Diameter Options:
    7 To 5 Inch
    $716.99
    Qty in Cart: 0
    Price:
    $716.99
    Subtotal:
  • Lincoln Chrome 6 X 24 Inch Chrome Bull Hauler Exhaust Stack

    Lincoln Chrome 6 X 24 Inch Chrome Bull Hauler Exhaust Stack

    LINCOLN CHROME

    $277.99
    6 X 24 Inch Bull Hauler Exhaust Stack By Lincoln Chrome* High Quality Exhaust Stack* Bullhorn Top Style* Plain End* Chrome Plated Finish* 24 Inch Height* 6 Inch Inner Diameter* Sold Individually*...
    09-08010333
    SKU:
    09-08010333
    Finish Options:
    Chrome-Plated
    Location:
    Made In USA
    Diameter Options:
    6 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    Material Options:
    Steel
    Style Options:
    Bullhorn Top Style
    Height Options:
    24 Inch
    $277.99
    Qty in Cart: 0
    Price:
    $277.99
    Subtotal:
  • 7-5 X 60 Inch Chrome Bull Hauler Exhaust Stack

    7-5 X 60 Inch Chrome Bull Hauler Exhaust Stack

    LINCOLN CHROME

    $614.99
    7-5 OD X 60 Inch Bull Hauler Exhaust Stack* High Quality Exhaust Stack* Bullhorn Top Style* Plain End* Chrome Plated Finish* 60 Inch Height* 7 Inch Reduced To 5 Inch Outer Diameter* Sold...
    09-08010963
    SKU:
    09-08010963
    Finish Options:
    Chrome-Plated
    Style Options:
    Bull Hauler Turn
    Location:
    Made In USA
    Product Type:
    Exhaust
    Make:
    Universal Items
    Diameter Options:
    7 To 5 Inch
    Height Options:
    60 Inch
    Material Options:
    Steel
    $614.99
    Qty in Cart: 0
    Price:
    $614.99
    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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