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Mack RW Superliner Trucks

Mack RW Superliner semi trucks are a regular sight on the highway so make yours stands out with custom, chrome, and aftermarket parts from 4 State Trucks. When you drive a Mack RW Superliner semi truck, you're going to enjoy a fuel efficient, safe ride in a truck that's rated as one of the best in the industry. Make your rig your own - whether you need aftermarket or chrome parts like bumpers, exhaust, seating, steering or fenders, 4 State Trucks has you covered. Hit the open road in style and comfort with the best custom gear for your Mack.
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  • Quantity
  • Price
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  • Transmission Pressure Switch Replaces 29512944, 29542944, 29552364 For Allison Transmissions

    Transmission Pressure Switch Replaces 29512944, 29542944, 29552364 For Allison Transmissions

    AFTERMARKET

    $46.02
    2.98 X 4.70 Inch 2 Pin Transmission Pressure Switch W/ Inch CableMaximize the life of your transmission with this heavy-duty Transmission Pressure Switch, designed for Allison transmissions. With a...
    29-07100027
    SKU:
    29-07100027
    Product Type:
    Engine Parts
    Length Options:
    4 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    $46.02
    Qty in Cart: 0
    Price:
    $46.02
    Subtotal:
  • 32 Inch Nylon 9 Blade Fan Blade Replaces 981813202, 991813202

    32 Inch Nylon 9 Blade Fan Blade Replaces 981813202, 991813202

    AFTERMARKET

    $224.99
    32 Inch Fan Blade- 9 BladesMaintain peak truck engine performance with this premium 32 Inch Nylon 9 Blade Fan Blade. Its 9 nylon blades, clockwise rotation, and 12 bolt holes provide efficient...
    29-07060184
    SKU:
    29-07060184
    Material Options:
    Nylon
    Diameter Options:
    32 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $224.99
    Qty in Cart: 0
    Price:
    $224.99
    Subtotal:
  • Turbo Charger Mounting Kit For Caterpillar 3406E

    Turbo Charger Mounting Kit For Caterpillar 3406E

    POWER PLAY PRODUCTS

    $91.99
    Caterpillar 3406E Turbo Charger Mounting KitKeep your Caterpillar 3406E engine running efficiently with this high-performance Turbo Charger Mounting Kit. The kit includes all required gaskets and...
    29-070400083
    SKU:
    29-070400083
    Style Options:
    Caterpillar
    Position:
    Kit Full
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • 32 Inch Nylon 9 Blade Fan Blade Replaces 393256-32, 3415031, 3507212C1, 3571552C1, 981813253, 991813253

    32 Inch Nylon 9 Blade Fan Blade Replaces 393256-32, 3415031, 3507212C1, 3571552C1, 981813253, 991813253

    AUTOMANN USA

    $197.99
    32 Inch Fan Blade- 9 BladesKeep your truck engine cool under the toughest conditions with this high-quality 32 Inch Nylon 9 Blade Fan Blade. Featuring 9 blades made of durable nylon, clockwise...
    29-0706015
    SKU:
    29-0706015
    Material Options:
    Nylon
    Diameter Options:
    32 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $197.99
    Qty in Cart: 0
    Price:
    $197.99
    Subtotal:
  • Thermostat Replaces 2477133, 7C3095, 34289 For Caterpillar

    Thermostat Replaces 2477133, 7C3095, 34289 For Caterpillar

    AUTOMANN USA

    $37.10
    1.811 X 2.26 Inch ThermostatPrevent engine overheating with this heavy-duty Caterpillar thermostat. Rated at 192F, it maintains proper engine temperature for maximum performance and reliability. With...
    29-07020004
    SKU:
    29-07020004
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $37.10
    Qty in Cart: 0
    Price:
    $37.10
    Subtotal:
  • Turbo Charger Mounting Kit For Caterpillar C15

    Turbo Charger Mounting Kit For Caterpillar C15

    POWER PLAY PRODUCTS

    $127.99
    Caterpillar C15 Turbo Charger Mounting KitEnsure secure turbo mounting and prevent leaks with this durable Turbo Charger Mounting Kit for Caterpillar C15 engines. Complete with mounting hardware and...
    29-070400084
    SKU:
    29-070400084
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $127.99
    Qty in Cart: 0
    Price:
    $127.99
    Subtotal:
  • 14.00 Inch X 1.5 Inch Push Type Clutch Assembly Replaces LP1047104, LP1505134

    14.00 Inch X 1.5 Inch Push Type Clutch Assembly Replaces LP1047104, LP1505134

    AFTERMARKET

    $954.99
    Single Plate Clutch Assembly- 500 Lb- Ft TorqueOptimize your truck's drivetrain efficiency with this high-performance 14.00 Inch x 1.5 Inch Push Type Clutch Assembly. Its single plate, 8-spring...
    29-07050013
    SKU:
    29-07050013
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Length Options:
    14 1/2 Inch
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $954.99
    Qty in Cart: 0
    Price:
    $954.99
    Subtotal:
  • 13.78 Inch x 1.5 Inch Push Type Clutch Assembly Replaces 107621-1, 1076211

    13.78 Inch x 1.5 Inch Push Type Clutch Assembly Replaces 107621-1, 1076211

    AFTERMARKET

    $747.99
    Single Plate Clutch Assembly- 2400 Lb Plate Load, 500 Lb- Ft TorqueEnsure smooth power transfer and drivetrain reliability with this premium 13.78 Inch x 1.5 Inch Push Type Clutch Assembly...
    29-07050010
    SKU:
    29-07050010
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $747.99
    Qty in Cart: 0
    Price:
    $747.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Turbocharger Exhaust Pipe Gasket For Cummins ISX 12, ISX 15, X12 & X15 Engines

    Turbocharger Exhaust Pipe Gasket For Cummins ISX 12, ISX 15, X12 & X15 Engines

    DAYTON / DORMAN

    $11.53
    3.75 Inch ID X 5.00 Inch OD Exhaust Pipe GasketPrevent exhaust leaks and maintain turbo efficiency with this high-quality Turbocharger Exhaust Pipe Gasket, compatible with Cummins ISX 12, ISX 15,...
    29-070400085
    SKU:
    29-070400085
    Product Type:
    Engine Parts
    Diameter Options:
    5 Inch
    Style Options:
    Cummins
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $11.53
    Qty in Cart: 0
    Price:
    $11.53
    Subtotal:
  • Fuel Cover Locking Collar Replaces 23514061, 1694754C1, 380042, 3948920 For Cummins & Davco Fuel Pro 382 Fuel-Water Separators

    Fuel Cover Locking Collar Replaces 23514061, 1694754C1, 380042, 3948920 For Cummins & Davco Fuel Pro 382 Fuel-Water Separators

    AUTOMANN USA

    $21.62
    5 Inch ID X 6.210 Inch OD Fuel Cover Locking CollarMaintain a secure, leak-free fuel system with this premium Fuel Cover Locking Collar. Perfect for Cummins and Davco Fuel Pro 382 Fuel-Water...
    29-0703001
    SKU:
    29-0703001
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $21.62
    Qty in Cart: 0
    Price:
    $21.62
    Subtotal:
  • AC Discharge Hose Assembly Replaces F50-6242-1275, F5062421275 For PACCAR

    AC Discharge Hose Assembly Replaces F50-6242-1275, F5062421275 For PACCAR

    AFTERMARKET

    $398.99
    2- Pin AC Discharge Hose AssemblyDependable HVAC operation begins with this precision AC discharge hose assembly. Designed to replace F50-6242-1275 and F5062421275, it connects your compressor to the...
    29-07000015
    SKU:
    29-07000015
    Style Options:
    Paccar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $398.99
    Qty in Cart: 0
    Price:
    $398.99
    Subtotal:
  • Expansion Valve Replaces 4475001482, 31-31218

    Expansion Valve Replaces 4475001482, 31-31218

    AFTERMARKET

    $60.99
    2.895 X 1.00 X 1.390 Inch Block Type Expansion ValveEnsure efficient airflow and temperature regulation with this heavy-duty expansion valve. Designed to replace 4475001482 and 31-31218, this 1 Ton...
    29-07000010
    SKU:
    29-07000010
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • Expansion Valve Replaces 101107, 140030103, 1601, 31-30956, 329499, 12-2013A

    Expansion Valve Replaces 101107, 140030103, 1601, 31-30956, 329499, 12-2013A

    AFTERMARKET

    $50.99
    8.895 X 1.000 X 1.875 Inch Block Type Expansion ValveKeep your truck's air conditioning system running at peak efficiency with this high-quality expansion valve. Designed to replace 101107,...
    29-07000012
    SKU:
    29-07000012
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • Pivot Bushing Kit Replaces 65352502

    Pivot Bushing Kit Replaces 65352502

    AFTERMARKET

    $457.99
    Pivot Bushing KitEngineered for heavy-duty suspension systems, this pivot bushing kit provides complete service coverage. The kit includes pivot bushing, eccentric and concentric collars, wear pads,...
    29-05250029
    SKU:
    29-05250029
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $457.99
    Qty in Cart: 0
    Price:
    $457.99
    Subtotal:
  • Knuckle Spacer Replaces 005208, R-005208

    Knuckle Spacer Replaces 005208, R-005208

    AFTERMARKET

    $104.99
    2.937 Inch Knuckle Spacer Used On Hendrickson Turner Lift AxleReduce alignment issues and extend component life with a knuckle spacer built for accuracy. This high-quality replacement spacer is...
    29-05200030
    SKU:
    29-05200030
    Product Type:
    Trailer
    Make:
    Universal Items
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • Piston Style Type 18/24 Disc Brake Replaces K025670, MJB1824DT051, 745K025670

    Piston Style Type 18/24 Disc Brake Replaces K025670, MJB1824DT051, 745K025670

    AFTERMARKET

    $317.99
    10.120 Inch Piston Style Type 18/24 Disc Brake W/ 2.5 Inch Stroke LengthAchieve reliable and precise braking with this Piston Style Type 18/24 Disc Brake. Features a 2.5-inch stroke length, two top...
    29-05170029
    SKU:
    29-05170029
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $317.99
    Qty in Cart: 0
    Price:
    $317.99
    Subtotal:
  • Knuckle Spacer Replaces 005881, R-005881 For Hendrickson-Turner Suspension

    Knuckle Spacer Replaces 005881, R-005881 For Hendrickson-Turner Suspension

    AFTERMARKET

    $104.99
    2.562 Inch Knuckle Spacer Used On Hendrickson Turner Lift AxleUpgrade your suspension service with a knuckle spacer built for heavy-duty reliability. Replacement for 005881 and R-005881, this...
    29-05250040
    SKU:
    29-05250040
    Product Type:
    Exterior
    Make:
    Universal Items
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • Radius Arm Bushing Replaces K201635

    Radius Arm Bushing Replaces K201635

    AFTERMARKET

    $58.99
    Radius Arm Bushing Fits Rear Wheel Drive Models OnlyMinimize suspension wear and improve ride quality with a high-quality radius arm bushing. Designed to replace K201635, this bushing is engineered...
    29-05250030
    SKU:
    29-05250030
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $58.99
    Qty in Cart: 0
    Price:
    $58.99
    Subtotal:
  • Upper Rear Shock Bracket Replaces 57322003, 57322-003 For Hendrickson Suspension

    Upper Rear Shock Bracket Replaces 57322003, 57322-003 For Hendrickson Suspension

    AFTERMARKET

    $39.57
    Hendrickson Suspension Upper Rear Shock BracketSecure your rear suspension with a shock bracket engineered for strength and reliability. This high-quality Upper Rear Shock Bracket for Hendrickson...
    29-05250039
    SKU:
    29-05250039
    Position:
    Upper
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $39.57
    Qty in Cart: 0
    Price:
    $39.57
    Subtotal:
  • 15 X 4 Inch Brake Kit Replaces E4702KITB, E4702KT, E9064, E9064SHD, CQ65642, KIT8824HD, MKT4702KT, R508824, 66A

    15 X 4 Inch Brake Kit Replaces E4702KITB, E4702KT, E9064, E9064SHD, CQ65642, KIT8824HD, MKT4702KT, R508824, 66A

    AUTOMANN USA

    $17.81
    Brake Kit For 15 Inch x 4 Inch Unlined Brake ShoesKeep your brakes operating at peak efficiency with this 15 X 4 Inch Brake Kit. Complete kit includes rollers, anchor pins, bushings, coil springs,...
    29-05170021
    SKU:
    29-05170021
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $17.81
    Qty in Cart: 0
    Price:
    $17.81
    Subtotal:
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Adding your products to cart

Upgrade your Mack RW Superliner to the next level of customization with aftermarket medium-duty truck parts that deliver power, performance, and personality. Enhacne your rig with high-performance exhaust kits, engines, reinforced suspension, or durable drivetrain components to tackle heavy hauls with ease. You can dominate the road with chrome accessories, custom bumpers, and sleek fenders that turn heads while staying practical. Aftermarket options also let you replace, enhance, and customize faster and more affordably than OEM parts. Keep your Superliner rolling strong, looking bold, and working harder for years on end with parts built to perform and designed to impress. Whether you need more torque, better steering control, or a more comfortable interior, our lineup of Mack RW Superliner truck parts can get you what you need!

Frequently Asked Questions About Mack RW Superliner Trucks

What years and models are compatible with Mack RW Superliner parts?

Mack RW Superliner parts are specifically designed for RW model trucks manufactured from 1985 to 1993. These parts are compatible with all RW configurations including RW600, RW700, and RW800 series. Some parts may also fit early 2000s RD models, but we recommend verifying your OEM and model year before ordering. If you're unsure about compatibility, contact our support team with your truck's serial number for exact fitment confirmation.

Are aftermarket bumpers as durable as OEM Mack bumpers?

Quality aftermarket bumpers for Mack RW Superliners are typically made from 16-gauge steel or heavy-duty chrome-plated steel, matching or exceeding OEM specifications. The key is choosing reputable manufacturers who use proper welding techniques and corrosion-resistant materials. Look for bumpers with reinforced mounting brackets and proper drainage holes to prevent rust. Many aftermarket options actually offer improved features like additional light mounting points or better aerodynamic designs compared to original equipment.

What tools and expertise do I need to install a replacement bumper?

Installing a Mack RW Superliner bumper requires basic mechanical skills and specific tools including: a socket set (typically 3/4" to 1-1/4"), torque wrench, jack stands or lift access, and potentially a second person for alignment. Most installations take 2-4 hours. Common challenges include aligning mounting holes with frame brackets and managing the bumper's weight (typically 150-250 lbs). We recommend having shop manual torque specifications on hand. Professional installation runs $200-400 if you prefer expert assistance.

What finish options are available and which holds up best?

Mack RW Superliner bumpers come in three main finishes: chrome-plated steel, polished stainless steel, and painted steel. Chrome offers the classic look but requires regular polishing and can pit in harsh climates. Stainless steel (304 grade) provides the best long-term durability with minimal maintenance but costs 40-60% more. Painted options are most economical and can be color-matched but may need recoating every 3-5 years. For trucks in northern states with road salt exposure, stainless steel or properly undercoated painted bumpers perform best.

Do I need to replace brackets and hardware when installing a new bumper?

While existing brackets can often be reused, we strongly recommend replacing all mounting hardware when installing a new bumper. Original bolts may be corroded, stretched, or have worn threads after years of service. New Grade 8 mounting bolts and brackets are typically sold separately. Inspect your existing brackets for cracks, rust holes, or bent mounting surfaces. Damaged brackets can cause premature bumper failure and safety issues. Complete hardware kits specific to RW models typically cost $75-150 and ensure proper installation.


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