null

Mack Trucks

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Stainless Steel Smooth Half Fender With Rolled Edge 16 Gauge

    Stainless Steel Smooth Half Fender With Rolled Edge 16 Gauge

    UNITED PACIFIC

    $815.99 - $880.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks60 Inch Stainless Steel Smooth Half Fender With Rolled Edge 16 Gauge16 Gauge SS Roll Formed Edge Half...
    PPR_299734
    SKU:
    PPR_299734
    Length Options:
    80 Inch
    Size Options:
    16 Gauge
    Length Options:
    66 Inch
    Width Options:
    45 Inch
    Product Type:
    Rear Fenders
    Length Options:
    60 Inch
    Finish Options:
    Smooth
    Width Options:
    31 Inch
    Material Options:
    Stainless Steel
    Width Options:
    25 Inch
    Type Options:
    Half
    Make:
    Universal Items
    Style Options:
    Half Fender
    Position:
    Kit Full
    $815.99 - $880.99
    Qty in Cart: 0
    Price:
    $815.99 - $880.99
    Subtotal:
  • Stainless Steel Smooth Half Fender 16 Gauge

    Stainless Steel Smooth Half Fender 16 Gauge

    UNITED PACIFIC

    $437.99 - $807.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks60 Inch Stainless Steel Smooth Half Fender 16 GaugeSE Series 16 Gauge SS Half FenderThis 16-gauge...
    PPR_299733
    SKU:
    PPR_299733
    Length Options:
    80 Inch
    Size Options:
    16 Gauge
    Length Options:
    66 Inch
    Width Options:
    45 Inch
    Product Type:
    Rear Fenders
    Length Options:
    60 Inch
    Finish Options:
    Smooth
    Width Options:
    31 Inch
    Material Options:
    Stainless Steel
    Width Options:
    25 Inch
    Type Options:
    Half
    Make:
    Universal Items
    Style Options:
    Half Fender
    $437.99 - $807.99
    Qty in Cart: 0
    Price:
    $437.99 - $807.99
    Subtotal:
  • W.T.I. XL Single Axle Fender

    W.T.I. XL Single Axle Fender

    WTI FENDERS

    $433.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksWTI 48.5 X 26 X 30.5 Inch Gray Fiberglass Single Axle Fender W/ Small Trim48.5 X 26 X 30.5 Inch Gray...
    PPR_299617
    SKU:
    PPR_299617
    Height Options:
    30 1/2 Inch
    Location:
    Made In USA
    Color:
    Gray
    Style Options:
    Small Trim
    Length Options:
    48 1/2 Inch
    Color:
    White
    Color:
    Black
    Product Type:
    Rear Fenders
    Length Options:
    48 Inch
    Width Options:
    26 Inch
    Height Options:
    30 Inch
    Style Options:
    Mid Trim
    Material Options:
    Fiberglass
    Style Options:
    Wide Trim
    Make:
    Universal Items
    $433.99
    Qty in Cart: 0
    Price:
    $433.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Polished Decorative Grille Bar With 2 Pointed Ends

    Polished Decorative Grille Bar With 2 Pointed Ends

    TURNPIKE TRUCK TRIM

    $21.68 - $38.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks31.5 Inch Stainless Steel Grille Bar W/ 2 Pointed Ends31.5 Inch Grille Bar W/ 2 Pointed Ends* High...
    PPR_299592
    SKU:
    PPR_299592
    Length Options:
    31 1/2 Inch
    Length Options:
    38 Inch
    Style Options:
    Pointed
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Length Options:
    34 Inch
    Length Options:
    33 1/2 Inch
    Length Options:
    37 Inch
    Length Options:
    39 1/2 Inch
    Length Options:
    39 Inch
    Product Type:
    Hood Parts & Acc.
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $21.68 - $38.99
    Qty in Cart: 0
    Price:
    $21.68 - $38.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Drive Hub Cover With Punched Holes

    Drive Hub Cover With Punched Holes

    AFTERMARKET

    $76.99 - $109.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksStainless Steel Hub Cover W/ Punched Hole Design For Dana Spicer Drive Axle Ends8.75 X 5.5 Inch Hub...
    PPR_299594
    SKU:
    PPR_299594
    Position:
    Rear
    Style Options:
    Rockwell
    Diameter Options:
    5 1/2 Inch
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Height Options:
    5 Inch
    Style Options:
    Punched
    Style Options:
    Dana Spicer
    Height Options:
    5 1/2 Inch
    Product Type:
    Wheels
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $76.99 - $109.99
    Qty in Cart: 0
    Price:
    $76.99 - $109.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Universal Stealth Black Rear High Hats

    Universal Stealth Black Rear High Hats

    REALWHEELS

    $111.29 - $159.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRealWheels 8 Inch Stealth Black Rear High Hat W/ 8.25- 8.75 Inch Drive Axle, 5.75- 7.75 Inch Axle...
    PPR_299622
    SKU:
    PPR_299622
    Product Type:
    Wheels
    Make:
    Universal Items
    Color:
    Black
    Height Options:
    8 Inch
    Style Options:
    High Hat
    Finish Options:
    Black Powder Coat
    Diameter Options:
    8 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Height Options:
    10 Inch
    Type Options:
    Standard Mount
    Position:
    Rear
    Ready To Ship:
    Yes
    $111.29 - $159.99
    Qty in Cart: 0
    Price:
    $111.29 - $159.99
    Subtotal:
  • Wiring Harness W/ 1 male Packard Plug & 7 Dual Bullet Plugs

    Wiring Harness W/ 1 male Packard Plug & 7 Dual Bullet Plugs

    PHOENIX DESIGN

    $15.39
    Wiring Harness W/ 1 male Packard Plug & 7 Dual Bullet Plugs For Air Breather LightsUpgrade or replace your air breather light connections with this premium wiring harness, featuring 1 male Packard...
    09-1603056
    SKU:
    09-1603056
    Style Options:
    Bullet
    Product Type:
    Lighting
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $15.39
    Qty in Cart: 0
    Price:
    $15.39
    Subtotal:
  • On Sale
    Limited Quantity Available
    Rotator Assembly W/ Chrome Reflector

    Rotator Assembly W/ Chrome Reflector

    STAR HEADLIGHT & LANTERN CO.

    Now: $9.84
    Was: $39.49
    Rotator Assembly W/ Complete Motor & Reflector AssemblyEnsure your vehicle runs at peak efficiency with this durable Rotator Assembly, designed for long-lasting performance under heavy-duty...
    09-1609501
    SKU:
    09-1609501
    Truck Class:
    Heavy Duty
    Product Type:
    Lighting
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $9.84
    Was: $39.49
    Qty in Cart: 0
    Price:
    Now: $9.84
    Was: $39.49
    Subtotal:
  • Steel Plug O-Ring Boss Hydraulic Adapter

    Steel Plug O-Ring Boss Hydraulic Adapter

    AUTOMANN USA

    $2.27 - $2.31
    The steel plug O-ring boss hydraulic adapter offers a reliable solution for sealing or adapting O-ring boss ports in hydraulic systems and is available in multiple size options to fit your setup. You...
    PPR_299730
    SKU:
    PPR_299730
    Length Options:
    3/4 Inch
    Material Options:
    Steel
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $2.27 - $2.31
    Qty in Cart: 0
    Price:
    $2.27 - $2.31
    Subtotal:
  • 1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 9/10 Shifter Adapter

    1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 9/10 Shifter Adapter

    UNITED PACIFIC

    $69.99
    Upgrade your shifting experience with the 1/2-inch-13 threaded gearshift knob that includes an Eaton Fuller-style 9/10 shifter adapter, designed for versatile fitment across a range of transmissions...
    PPR_299726
    SKU:
    PPR_299726
    Style Options:
    Thread On
    Color:
    Black
    Material Options:
    Aluminum
    Product Type:
    Interior
    Make:
    Universal Items
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • Gun Cylinder 13/15/18 Speed Gearshift Knob

    Gun Cylinder 13/15/18 Speed Gearshift Knob

    UNITED PACIFIC

    $59.99
    Add distinctive style and improved feel to your rig with the gun cylinder gearshift knob designed for 13, 15, and 18-speed transmissions. This eye-catching knob features a rugged, firearm-inspired...
    PPR_299729
    SKU:
    PPR_299729
    Color:
    Black
    Color:
    Blue
    Color:
    Orange
    Color:
    Red
    Color:
    Green
    Color:
    Yellow
    Color:
    Silver
    Material Options:
    Aluminum
    Color:
    White
    Product Type:
    Interior
    Style Options:
    Thread On
    Make:
    Universal Items
    Make:
    Peterbilt
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Dietz Style Headlight Housing & 34222 Pigtail

    Dietz Style Headlight Housing & 34222 Pigtail

    UNITED PACIFIC

    $56.99 - $106.99
    The Dietz-style headlight housing with pigtail provides a classic, versatile lighting solution for standard 7 inch sealed beam, halogen, and most LED headlight bulbs. Designed for straightforward...
    PPR_299731
    SKU:
    PPR_299731
    Finish Options:
    Black Powder Coat
    Diameter Options:
    7 Inch
    Finish Options:
    Chrome-Plated
    Color:
    Black
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    $56.99 - $106.99
    Qty in Cart: 0
    Price:
    $56.99 - $106.99
    Subtotal:
  • Chrome Interior Rear View Mirror, Screw-On Mount

    Chrome Interior Rear View Mirror, Screw-On Mount

    UNITED PACIFIC

    $42.42
    Add a polished, classic touch to your cab with the chrome interior rear view mirror featuring a screw-on mount and your choice of rectangular or oval shape to suit your style and visibility needs...
    PPR_299728
    SKU:
    PPR_299728
    Shape Options:
    Oval
    Material Options:
    Aluminum
    Style Options:
    Thread On
    Finish Options:
    Chrome-Plated
    Shape Options:
    Rectangular
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $42.42
    Qty in Cart: 0
    Price:
    $42.42
    Subtotal:
  • 1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 13/15/18 Shifter Adapter

    1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 13/15/18 Shifter Adapter

    UNITED PACIFIC

    $69.99
    Add a custom touch and improved feel to your shifter with the 1/2-inch-13 threaded gearshift knob that includes an Eaton Fuller-style 13/15/18 shifter adapter for versatile fitment. This replacement...
    PPR_299725
    SKU:
    PPR_299725
    Color:
    Black
    Product Type:
    Interior
    Material Options:
    Aluminum
    Style Options:
    Thread On
    Make:
    Universal Items
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • Chrome Interior Rear View Mirror, Glue On Mount

    Chrome Interior Rear View Mirror, Glue On Mount

    UNITED PACIFIC

    $42.42
    Add a polished touch to your cab with a rectangular or oval shaped chrome interior rear view mirror featuring a glue-on mount for easy installation. This sleek mirror delivers a clean, reflective...
    PPR_299727
    SKU:
    PPR_299727
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Shape Options:
    Rectangular
    Shape Options:
    Oval
    Material Options:
    Aluminum
    Make:
    Universal Items
    $42.42
    Qty in Cart: 0
    Price:
    $42.42
    Subtotal:
  • Pressure Protection Valve

    Pressure Protection Valve

    VELVAC

    $39.70 - $52.99
    The pressure protection valve available from 4 State Trucks helps maintain air system integrity by allowing air to flow only after system pressure reaches the chosen threshold, protecting critical...
    PPR_299712
    SKU:
    PPR_299712
    Product Type:
    Air, Electrical, & Safety
    Location:
    Made In USA
    Rating:
    55 PSI
    Make:
    Universal Items
    Material Options:
    Steel
    $39.70 - $52.99
    Qty in Cart: 0
    Price:
    $39.70 - $52.99
    Subtotal:
  • Stop/Turn 3rd Brake Light with Swivel Pedestal Base - Red LED / Red Lens

    Stop/Turn 3rd Brake Light with Swivel Pedestal Base - Red LED / Red Lens

    UNITED PACIFIC

    $32.10
    The stop/turn 3rd brake light with an adjustable pedestal base delivers bright, reliable visibility with red LEDs under a red lens, making it an excellent choice for enhanced safety on the road...
    PPR_299713
    SKU:
    PPR_299713
    Product Type:
    Lighting
    Color:
    Red
    Material Options:
    Plastic/Poly
    Style Options:
    LED
    Make:
    Universal Items
    Degree Options:
    180
    Style Options:
    Split Function
    $32.10
    Qty in Cart: 0
    Price:
    $32.10
    Subtotal:
  • On Sale
    Limited Quantity Available
    Full Fender Mounting Kit SS 12 Gauge Triangular End Mounts, Threaded Post Mount

    Full Fender Mounting Kit SS 12 Gauge Triangular End Mounts, Threaded Post Mount

    TRUX ACCESSORIES

    Now: $602.79
    Was: $684.99
    These heavy duty 12 gauge stainless steel mounting kits are designed to support full fenders while offering flexibility through two adjustable mounting styles. Kits include a complete set of...
    PPR_299708
    SKU:
    PPR_299708
    Product Type:
    Rear Fenders
    Size Options:
    12 Gauge
    Make:
    Universal Items
    Position:
    Kit Full
    Style Options:
    Full Fender
    Now: $602.79
    Was: $684.99
    Qty in Cart: 0
    Price:
    Now: $602.79
    Was: $684.99
    Subtotal:
  • Stainless Steel Rear Center Panel With 4- 4 Inch Turbine Light & 6- 2 Inch Lights - Red LED / Red Lens

    Stainless Steel Rear Center Panel With 4- 4 Inch Turbine Light & 6- 2 Inch Lights - Red LED / Red Lens

    UNITED PACIFIC

    $316.99
    Transform your truck's rear lighting with the stainless steel rear center panel featuring four 4-inch round lights and six 2-inch LED lights, all with red lenses for strong visibility. This polished...
    PPR_299714
    SKU:
    PPR_299714
    Product Type:
    Frame & Chassis
    Color:
    Red
    Material Options:
    Stainless Steel
    Width Options:
    34 Inch
    Make:
    Universal Items
    Position:
    Rear
    Finish Options:
    Polished
    $316.99
    Qty in Cart: 0
    Price:
    $316.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Bawer Tool Box Top Tray With 6 Inch Oval Light Hole- 4 X 18 X 48 Inch

    Bawer Tool Box Top Tray With 6 Inch Oval Light Hole- 4 X 18 X 48 Inch

    BAWER TOOL BOXES

    $92.77 - $147.45
    Upgrade your truck's storage and functionality with the Bawer Tool Box Top Tray featuring a 6-inch oval light hole, measuring 4 x 18 x 48 inches. Available in high-quality stainless steel or a sleek...
    PPR_299709
    SKU:
    PPR_299709
    Length Options:
    48 Inch
    Color:
    Black
    Width Options:
    18 Inch
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Height Options:
    4 Inch
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $92.77 - $147.45
    Qty in Cart: 0
    Price:
    $92.77 - $147.45
    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.


    Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!