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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
  • Qty in Cart
  • Quantity
  • Price
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  • Combination Brake Liner 23K- 6.00 Inch Shoe Width For Meritor Drive Axle

    Combination Brake Liner 23K- 6.00 Inch Shoe Width For Meritor Drive Axle

    AFTERMARKET

    $138.99
    Brake Lining 23K For GAWR Steer Axles* High Quality Brake Lining* 23K Lbs Combination Lining* Designed For 23,000 Lbs GAWR Steer Axles* 16.50 Inch Drum Diameter* 6.00 Inch Shoe Width* Sold As Set*...
    09-05170221
    SKU:
    09-05170221
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • Double Oversize Brake Lining- 26,000 Lbs

    Double Oversize Brake Lining- 26,000 Lbs

    AFTERMARKET

    $271.99
    Double Oversize Brake Lining Transit-For 26,000 Lbs GAWR Steer Axles* High Quality Brake Lining Transit* Double Oversize* Designed For 26,000 Lbs GAWR Steer Axles* 18.5 Inch Slr (Static Loaded...
    09-05170237
    SKU:
    09-05170237
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $271.99
    Qty in Cart: 0
    Price:
    $271.99
    Subtotal:
  • Brake Liner 20K- 6 inch Shoe Width

    Brake Liner 20K- 6 inch Shoe Width

    AFTERMARKET

    $110.99
    Replacement Heavy Duty Brake Lining 20K- 15.00 Inch Drum Diameter* High Quality Brake Lining* 20K Lb Fleet Premium Heavy Duty Rating* Designed For 20,000 Lbs GAWR Steer Axles* 15.00 Inch Drum...
    09-05170246
    SKU:
    09-05170246
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $110.99
    Qty in Cart: 0
    Price:
    $110.99
    Subtotal:
  • Combination Lining Brake Liner 23K- 6.00 Inch Shoe Width For Meritor Drive Axle

    Combination Lining Brake Liner 23K- 6.00 Inch Shoe Width For Meritor Drive Axle

    AFTERMARKET

    $109.99
    Brake Lining 23K For GAWR Steer Axles- Grade AMF2085* High Quality Brake Lining* 23K Lbs Combination Lining* Designed For 23,000 Lbs GAWR Steer Axles* 16.50 Inch Drum Diameter* 6.00 Inch Shoe Width*...
    09-05170222
    SKU:
    09-05170222
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $109.99
    Qty in Cart: 0
    Price:
    $109.99
    Subtotal:
  • Brake Lining 12K- 8.625 Inch Shoe Width For Meritor Drive/Steer Axle

    Brake Lining 12K- 8.625 Inch Shoe Width For Meritor Drive/Steer Axle

    AFTERMARKET

    $142.99
    Replacement Heavy Duty Brake Lining 12K- Grade AMF12100* High Quality Brake Lining* 12K Lb Fleet Premium Heavy Duty Rating* Designed For 12,000 Lbs GAWR Steer Axles* 16.50 Inch Drum Diameter* 8.625...
    09-05170203
    SKU:
    09-05170203
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $142.99
    Qty in Cart: 0
    Price:
    $142.99
    Subtotal:
  • Brake Lining 26,000 Lbs Replaces 4228F

    Brake Lining 26,000 Lbs Replaces 4228F

    AFTERMARKET

    $180.99
    Brake Lining 26,000 Lbs For GAWR Steer Axles* High Quality Brake Lining Transit* Designed For 26,000 Lbs GAWR Steer Axles* 18.5 Inch Slr (Static Loaded Radius)* 195 Al (Application Factor)* Sold As...
    09-05170208
    SKU:
    09-05170208
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $180.99
    Qty in Cart: 0
    Price:
    $180.99
    Subtotal:
  • Brake Lining 23K- 8.625 Inch Shoe Width

    Brake Lining 23K- 8.625 Inch Shoe Width

    AFTERMARKET

    $164.99
    Replacement Heavy Duty Brake Lining 23K- Grade AMF23100* High Quality Brake Lining* 23K Lb Fleet Premium Heavy Duty Rating* Designed For 23,000 Lbs GAWR Steer Axles* 16.50 Inch Drum Diameter* 8.625...
    09-05170123
    SKU:
    09-05170123
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • Chrome Plastic Sitting Nude Lady- Facing Left

    Chrome Plastic Sitting Nude Lady- Facing Left

    GRAND GENERAL

    $12.66
    4 X 6 Inch Chrome Plastic Sitting Nude Lady* High Quality Cut Outs* Sitting Nude Lady* Facing Left* 4 Inch Height* 6 Inch Width* Rear Mount Stud* Sold Individually* Warranty On Cut Outs Against...
    09-05070295
    SKU:
    09-05070295
    Finish Options:
    Chrome-Plated
    Width Options:
    6 Inch
    Product Type:
    Mud Flaps
    Height Options:
    4 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Type Options:
    Rear Mount
    $12.66
    Qty in Cart: 0
    Price:
    $12.66
    Subtotal:
  • Single Convolute Air Spring Replaces 354-7462, 7462, ABSP1B1507462, FS7462, W01-358-7462, W013587462

    Single Convolute Air Spring Replaces 354-7462, 7462, ABSP1B1507462, FS7462, W01-358-7462, W013587462

    AFTERMARKET

    $113.99
    Single Convolute Air SpringMaintain reliable suspension performance with the Econoride Single Convolute Air Spring. Constructed with a single convoluted design, durable rubber lift bags, and a...
    09-05100145
    SKU:
    09-05100145
    Style Options:
    Single Convolute
    Product Type:
    Frame & Chassis
    Material Options:
    Rubber
    Make:
    Universal Items
    $113.99
    Qty in Cart: 0
    Price:
    $113.99
    Subtotal:
  • Chrome Train Horn Diaphragm

    Chrome Train Horn Diaphragm

    TRUX ACCESSORIES

    $10.03
    6.5 OD, 5 ID X 0.1 Inch Train Horn Diaphragm* High Quality Train Horn Diaphragm Replacement* Fits Trux 3 Bell And 4 Bell Model Train Horns Only* Remove Back Of Train Horn Cap And Attach Using...
    09-05130015
    SKU:
    09-05130015
    Style Options:
    4 Bell
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Diameter Options:
    6 1/2 Inch
    Finish Options:
    Chrome-Plated
    Ready To Ship:
    Yes
    $10.03
    Qty in Cart: 0
    Price:
    $10.03
    Subtotal:
  • 19 X 30 Inch Black Mud Flap

    19 X 30 Inch Black Mud Flap

    TRAMEC SLOAN

    $56.99
    Aerodynamic Straight Design Black Mud Flap* High Quality Mud Flap* Aerodynamic Straight Design* US EPA Smartway Program Compatible* Unique Pattern Channels Airflow* No Anti-Sail Brackets Needed*...
    09-05070409
    SKU:
    09-05070409
    Product Type:
    Mud Flaps
    Color:
    Black
    Width Options:
    19 Inch
    Height Options:
    30 Inch
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • Stainless Steel Wave Bottom Mud Flap Weight 24 Inch Bolt On

    Stainless Steel Wave Bottom Mud Flap Weight 24 Inch Bolt On

    TRUX ACCESSORIES

    $65.99
    Bolt On Wave Bottom Mud Flap Weight 24 Inch Stainless SteelAdd a bold custom detail to your truck with the24 Inch Stainless Steel Wave Bottom Mud Flap Weight. Made from quality stainless steel, this...
    09-05070194
    SKU:
    09-05070194
    Material Options:
    Stainless Steel
    Product Type:
    Mud Flaps
    Width Options:
    24 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Type Options:
    Bolt Mount
    Height Options:
    6 Inch
    Length Options:
    1/2 Inch
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • 2 Inch Stainless Steel Mud Flap Hanger End Plug

    2 Inch Stainless Steel Mud Flap Hanger End Plug

    UNITED PACIFIC

    $5.19
    304 Stainless Steel Mud Flap Hanger End Plug* High Quality Mud Flap Hanger End Plug* Covers The End On Spring Loaded Mud Flap Hangers* Polished 304 Stainless Steel* 2-1/8 Inch Width* 3-1/8 Inch...
    09-05070183
    SKU:
    09-05070183
    Product Type:
    Mud Flaps
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    Length Options:
    3 1/8 Inch
    Width Options:
    2 1/8 Inch
    $5.19
    Qty in Cart: 0
    Price:
    $5.19
    Subtotal:
  • Chrome Plated Steel Sitting Nude Lady- Left Facing

    Chrome Plated Steel Sitting Nude Lady- Left Facing

    GRAND GENERAL

    $22.89
    11 X 17 Inch Chrome Plated Steel Sitting Nude Lady* High Quality Cut Outs* Sitting Nude Lady* Facing Left* Chrome Plated Steel* 11 Inch Height* 17 Inch Width* Rear Mount Stud* Sold Individually*...
    09-05070255
    SKU:
    09-05070255
    Product Type:
    Mud Flaps
    Type Options:
    Rear Mount
    Finish Options:
    Chrome-Plated
    Height Options:
    11 Inch
    Width Options:
    17 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $22.89
    Qty in Cart: 0
    Price:
    $22.89
    Subtotal:
  • Stainless Steel Anti Sail Flap Plates 14 X 1 x 18 Inch

    Stainless Steel Anti Sail Flap Plates 14 X 1 x 18 Inch

    TRUX ACCESSORIES

    $113.99
    14 X 18 X 1 Inch Anti Sail Flap Plates Stainless SteelAdd durability and support to your truck's mud flap setup with theStainless Steel Anti Sail Flap Plates 14 x 1 x 18 Inch. Built from quality...
    09-05070190
    SKU:
    09-05070190
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Length Options:
    1 Inch
    Width Options:
    14 Inch
    Height Options:
    18 Inch
    Ready To Ship:
    Yes
    Product Type:
    Mud Flaps
    $113.99
    Qty in Cart: 0
    Price:
    $113.99
    Subtotal:
  • 24 X 24 Black Rubber Mud Flap

    24 X 24 Black Rubber Mud Flap

    AUTOMANN USA

    $21.96
    Black Rubber Mud Flap Replaces 2424HD. 82424* High Quality Mud Flap* Thick V Cord Rubber For Extra Strength* Black* Dimensions:  - 24 Inch Length  - 24 Inch Width  - 1/2 Inch Thick* Sold...
    09-05070095
    SKU:
    09-05070095
    Height Options:
    24 Inch
    Width Options:
    24 Inch
    Length Options:
    1/2 Inch
    Material Options:
    Rubber
    Color:
    Black
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $21.96
    Qty in Cart: 0
    Price:
    $21.96
    Subtotal:
  • Stainless Steel Nut Cover W/ Skirt

    Stainless Steel Nut Cover W/ Skirt

    REALWHEELS

    $3.31
    304 Stainless Steel Nut Cover- 1.25 Inch Height* High Quality Lug Nut Cover* With Skirt* 304 Stainless Steel* 1.25 Inch Height* 1 Inch Skirt* Made In USA* Sold Individually* Warranty On Lug Nut...
    09-05060093
    SKU:
    09-05060093
    Product Type:
    Wheels
    Height Options:
    1 1/4 Inch
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    $3.31
    Qty in Cart: 0
    Price:
    $3.31
    Subtotal:
  • 24 X 24 Inch White Poly Mud Flap

    24 X 24 Inch White Poly Mud Flap

    AUTOMANN USA

    $24.28
    White Poly Mud Flap Replaces 11473Protect your truck and surrounding vehicles with this 24 X 24 Inch White Poly Mud Flap. Made from heavy-duty polyethylene, it has a ribbed anti-spray surface to...
    09-05070100
    SKU:
    09-05070100
    Material Options:
    Plastic/Poly
    Color:
    White
    Product Type:
    Mud Flaps
    Height Options:
    24 Inch
    Width Options:
    24 Inch
    Length Options:
    1/2 Inch
    Make:
    Universal Items
    $24.28
    Qty in Cart: 0
    Price:
    $24.28
    Subtotal:
  • 30 Inch Stainless Steel Mud Flap Hanger W/ Reflective Tape

    30 Inch Stainless Steel Mud Flap Hanger W/ Reflective Tape

    AFTERMARKET

    $267.99
    30 Inch Mud Flap Hanger W/ Reflective TapeProtect your truck and improve visibility on the road with this 30 Inch Stainless Steel Mud Flap Hanger W/ Reflective Tape. Built from 201 stainless steel,...
    09-05070093
    SKU:
    09-05070093
    Material Options:
    Stainless Steel
    Product Type:
    Mud Flaps
    Width Options:
    30 Inch
    Make:
    Universal Items
    $267.99
    Qty in Cart: 0
    Price:
    $267.99
    Subtotal:
  • Aluminum Replacement Step For Pro-Tech Aluminum Tool Box

    Aluminum Replacement Step For Pro-Tech Aluminum Tool Box

    PRO-TECH INDUSTRIES

    $151.99
    Aluminum Replacement StepRestore convenience to your Pro-Tech Aluminum Tool Box with the Aluminum Replacement Step, designed to provide heavy-duty support and reliable usage. Made from high-quality...
    09-050500048
    SKU:
    09-050500048
    Material Options:
    Aluminum
    Product Type:
    Toolboxes
    Make:
    Universal Items
    $151.99
    Qty in Cart: 0
    Price:
    $151.99
    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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