null

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
  • Subtotal
  • STP Oil Treatment 15 Oz

    STP Oil Treatment 15 Oz

    AFTERMARKET

    $5.19
    Anti-Wear Agent With Viscosity Improver* High Quality Oil Treatment* 15 Ounce* Helps Protect Against Engine Wear* High Viscosity* Sold Individually* Warranty On Oil Treatments Against Defects In...
    65148
    SKU:
    65148
    Height Options:
    8 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $5.19
    Qty in Cart: 0
    Price:
    $5.19
    Subtotal:
  • Front Steer Axle Hub Cap HF682K

    Front Steer Axle Hub Cap HF682K

    AFTERMARKET

    $797.99
    Replacement Front Steer Axle Hub Cap* High Quality Steer Hub* Dimensions:  - Overall Height- 7.47 Inch  - Distance Between Cups- 3.02 Inch  - Bolt Circle Diameter- 11.25 Inch* Ball Seat Mount* Hub-...
    29-20200009
    SKU:
    29-20200009
    Product Type:
    Wheels
    Make:
    Universal Items
    $797.99
    Qty in Cart: 0
    Price:
    $797.99
    Subtotal:
  • Black Poly Quarter Fenders - Pair

    Black Poly Quarter Fenders - Pair

    MERRITT

    $142.99
    Black Poly Quarter Fenders* High Quality Quarter Fenders* Made Of Poly* Black* Thick And Tough For Incredible Durability And Long Life* Rust Proof, Chip, Dent And Scuff Resistant* Low Maintenance *...
    50602
    SKU:
    50602
    Location:
    Made In USA
    Color:
    Black
    Material Options:
    Plastic/Poly
    Height Options:
    9 Inch
    Product Type:
    Rear Fenders
    Length Options:
    29 Inch
    Width Options:
    23 Inch
    Make:
    Universal Items
    $142.99
    Qty in Cart: 0
    Price:
    $142.99
    Subtotal:
  • 1.17 Inch OD Wheel Bearing Cup 2593093, HM212011

    1.17 Inch OD Wheel Bearing Cup 2593093, HM212011

    AUTOMANN USA

    $10.39
    Replacement Wheel Bearing CupThis precision-engineered Wheel Bearing Cup ensures smooth wheel rotation and long-lasting performance.* High Quality Wheel Bearing Cup* Dimensions:  - 1.17 Inch Width  -...
    29-20200047
    SKU:
    29-20200047
    Product Type:
    Wheels
    Width Options:
    1 1/16 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    $10.39
    Qty in Cart: 0
    Price:
    $10.39
    Subtotal:
  • 24 Inch 6 Spoke Wheel Steer

    24 Inch 6 Spoke Wheel Steer

    AFTERMARKET

    $944.99
    Replacement 6 Spoke Wheel Steer* High Quality Spoke Wheel Steer* Includes:   - (1) Outer Race  - (1) Inner Race  - Rim Studs  - Rim Nuts* 24 Inch Diameter* 6-Spoke Wheel* Made In USA* Sold...
    29-20200044
    SKU:
    29-20200044
    Product Type:
    Wheels
    Diameter Options:
    24 Inch
    Make:
    Universal Items
    $944.99
    Qty in Cart: 0
    Price:
    $944.99
    Subtotal:
  • Unitized Spindle Nut 1-1/2 Inch-12 Thread 614836, 4484836 For Meritor, International

    Unitized Spindle Nut 1-1/2 Inch-12 Thread 614836, 4484836 For Meritor, International

    AFTERMARKET

    $56.99
    Replacement Steer Axle Unitized Spindle Nut* High Quality Unitized Spindle Nut* Dimensions:  - Thread 1.5 Inch-12  - A/F- 2.50 Inch  - Thickness- 1.031 Inch* Made In USA* Sold Individually* Warranty...
    29-20200034
    SKU:
    29-20200034
    Product Type:
    Wheels
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • Unitized Spindle Nut 1-1/2 Inch-18 Thread 448-4837, 614837 For Eaton, Ford, Meritor

    Unitized Spindle Nut 1-1/2 Inch-18 Thread 448-4837, 614837 For Eaton, Ford, Meritor

    AFTERMARKET

    $56.99
    Replacement Steer Axle Unitized Spindle Nut* High Quality Unitized Spindle Nut* Dimensions:  - Thread 1.5 Inch-18  - A/F- 2.50 Inch  - Thickness- 0.953 Inch* Made In USA* Sold Individually* Warranty...
    29-20200033
    SKU:
    29-20200033
    Product Type:
    Wheels
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • 10-Stud Mount Front Wheel Hub Sub-Assembly 2530, HF805K

    10-Stud Mount Front Wheel Hub Sub-Assembly 2530, HF805K

    AFTERMARKET

    $575.99
    Mount Front Hub Sub-Assembly 11,000 lbs Capacity* High Quality Wheel Hub* Dimensions:  - Overall Height- 7.09 Inch  - Distance Between Cups- 3.03 Inch  - Bolt Circle Diameter- 11.25 Inch  - Pilot- 8...
    29-20200008
    SKU:
    29-20200008
    Product Type:
    Wheels
    Make:
    Universal Items
    $575.99
    Qty in Cart: 0
    Price:
    $575.99
    Subtotal:
  • 3.875 Inch OD Drive Axle Wheel Seal 1534569,1534569, 370023A

    3.875 Inch OD Drive Axle Wheel Seal 1534569,1534569, 370023A

    AFTERMARKET

    $89.99
    Drive Axle Oil Bath Wheel Seal* High Quality Scotseal* Dimensions:  - 3.875 Inch Shaft Diameter  - 5.696 Inch O.D.  - 0.938 Inch Width* Drive Axle* Made In USA* Sold Individually* Warranty On...
    29-20200031
    SKU:
    29-20200031
    Product Type:
    Frame & Chassis
    Diameter Options:
    5 1/2 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • Turnpike Truck Trim Sanded Drive Hub Cover with Mounting Hardware For Dana Spicer Type Hubs

    Turnpike Truck Trim Sanded Drive Hub Cover with Mounting Hardware For Dana Spicer Type Hubs

    TURNPIKE TRUCK TRIM

    $122.99
    Drive Axle Hub CoverThese hub covers are built to last using high-quality stainless steel that fights rust and corrosion better than chrome. Perfect for daily driving in all weather conditions. Sold...
    29-2003025
    SKU:
    29-2003025
    Diameter Options:
    12 Inch
    Product Type:
    Wheels
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $122.99
    Qty in Cart: 0
    Price:
    $122.99
    Subtotal:
  • Turnpike Truck Trim 2 Inch 304 SS Deep Drive Axle Cover For Dana Spicer Hub

    Turnpike Truck Trim 2 Inch 304 SS Deep Drive Axle Cover For Dana Spicer Hub

    TURNPIKE TRUCK TRIM

    $102.99
    2 Inch Deep Drive Axle CoverNeed premium Dana Spicer hub covers? These polished 304 stainless covers feature a 2-inch depth perfect for axle protection and appearance. The mirror-like finish stands...
    29-2003005
    SKU:
    29-2003005
    Material Options:
    Stainless Steel
    Width Options:
    2 Inch
    Product Type:
    Wheels
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $102.99
    Qty in Cart: 0
    Price:
    $102.99
    Subtotal:
  • Oil Pump 23527448 For Series 60 Detroit Diesel 14.0L

    Oil Pump 23527448 For Series 60 Detroit Diesel 14.0L

    AFTERMARKET

    $754.99
    Replacement Detroit Diesel Oil Pump* High Quality Oil Pump* Made In USA* Sold Individually* Warranty On Oil Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    29-07200002
    SKU:
    29-07200002
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Style Options:
    Detroit
    $754.99
    Qty in Cart: 0
    Price:
    $754.99
    Subtotal:
  • Air Spring Double Convoluted 64733, 2380Z7

    Air Spring Double Convoluted 64733, 2380Z7

    AFTERMARKET

    $173.99
    Air Spring Double Convoluted Replacement* High Quality Air Spring* Double Convoluted* 2100 Load At 80 PSI* 2600 Load At 100 PSI* 100 CPM Natural Frequency* Without Bumper* Dimensions:  - 7.50 Inch...
    29-05100102
    SKU:
    29-05100102
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $173.99
    Qty in Cart: 0
    Price:
    $173.99
    Subtotal:
  • Front Hanger E5299. E-5299. 56673001. 56673-001. R305299

    Front Hanger E5299. E-5299. 56673001. 56673-001. R305299

    AFTERMARKET

    $214.99
    Replacement Front Hanger* High Quality Hanger* Made In USA* Sold Individually* Warranty On Hangers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    29-05100094
    SKU:
    29-05100094
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • Full Tilt 1:32 AR X 78mm Stage 1 Turbocharger For Caterpillar

    Full Tilt 1:32 AR X 78mm Stage 1 Turbocharger For Caterpillar

    FULL TILT PERFORMANCE

    $2,717.99
    Caterpillar 78mm Stage 1 TurbochargerThis high-performance turbocharger is designed specifically for 1990-2003 Caterpillar engines. It features a non-wastegated design with a 78mm intake and 1.32 AR...
    29-0704128
    SKU:
    29-0704128
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Location:
    Made In USA
    Make:
    Universal Items
    $2,717.99
    Qty in Cart: 0
    Price:
    $2,717.99
    Subtotal:
  • 9 X 3 Inch Emergency Brake Shoe Set For Dodge / GMC Trucks

    9 X 3 Inch Emergency Brake Shoe Set For Dodge / GMC Trucks

    AFTERMARKET

    $62.99
    Replacement Dodge / GMC Truck Emergency Brake Shoe Set* High Quality Emergency Brake Shoe Set* 9 Inch X 3 Inch* Made In USA* Sold Individually* Warranty On Emergency Brake Shoe Sets Against Defects...
    29-05170010
    SKU:
    29-05170010
    Length Options:
    9 Inch
    Width Options:
    3 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
    Subtotal:
  • 15 X 4 Inch Brake Drum 90660, 506896, 2605075C1

    15 X 4 Inch Brake Drum 90660, 506896, 2605075C1

    AFTERMARKET

    $553.99
    Replacement Brake Drum 15 X 4 Inch* High Quality Brake Drum* Dimensions:  - Crake Surface Diameter- 15.00 Inch  - Overall Depth- 9.04 Inch  - Brake Surface Flat- 4.50 Inch  - Pilot Diameter- 8.78...
    29-05170009
    SKU:
    29-05170009
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $553.99
    Qty in Cart: 0
    Price:
    $553.99
    Subtotal:
  • Front Spring Hanger 501851, 50185001, 478741, 47874001 For Hendrickson

    Front Spring Hanger 501851, 50185001, 478741, 47874001 For Hendrickson

    AFTERMARKET

    $104.99
    Replacement Hendrickson Front Spring Hanger* High Quality Hanger* Made In USA* Sold Individually* Warranty On Hangers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    29-05100101
    SKU:
    29-05100101
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • Double Lock Hanger E10263, E3Ht5785Ba, 46843001

    Double Lock Hanger E10263, E3Ht5785Ba, 46843001

    AFTERMARKET

    $163.99
    Replacement Double Lock Hanger* High Quality Double Lock Hanger* Made In USA* Sold Individually* Warranty On Double Lock Hangers Against Defects In Workmanship & Material From Date Of Purchase***...
    29-05100100
    SKU:
    29-05100100
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $163.99
    Qty in Cart: 0
    Price:
    $163.99
    Subtotal:
  • Center Hanger E5300, 56833003, 1218L90

    Center Hanger E5300, 56833003, 1218L90

    AFTERMARKET

    $597.99
    Replacement Center Hanger* High Quality Hanger Center* Made In USA* Sold Individually* Warranty On Hanger Centers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    29-05100093
    SKU:
    29-05100093
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $597.99
    Qty in Cart: 0
    Price:
    $597.99
    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!