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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
  • Subtotal
  • Ignition Switch Replaces P271048 For PACCAR Engines

    Ignition Switch Replaces P271048 For PACCAR Engines

    AFTERMARKET

    $52.99
    2.5 Inch Ignition Switch- 7 PinReplace your worn or faulty ignition with this precision PACCAR Ignition Switch. Complete with a lock cylinder, two keys, and a 7-pin connector, it measures 2.5 inches...
    29-15000004
    SKU:
    29-15000004
    Product Type:
    Interior
    Style Options:
    Paccar
    Make:
    Universal Items
    $52.99
    Qty in Cart: 0
    Price:
    $52.99
    Subtotal:
  • Actuator Dock Lock Replaces 1S4187, S29899, SSR1VA1031 For Hendrickson/ Turner Trailers

    Actuator Dock Lock Replaces 1S4187, S29899, SSR1VA1031 For Hendrickson/ Turner Trailers

    AUTOMANN USA

    $33.38
    Sleeve Type Actuator Dock Lock Fits Hendrickson/ Turner TrailersThis premium Actuator Dock Lock is designed for Hendrickson and Turner Trailers. Sleeve-type design with top and bottom plates...
    29-09500003
    SKU:
    29-09500003
    Height Options:
    10 1/2 Inch
    Product Type:
    Trailer
    Make:
    Universal Items
    Make:
    Trailer
    $33.38
    Qty in Cart: 0
    Price:
    $33.38
    Subtotal:
  • Oil Plug Replaces 9S-8008, 9S8008 For Caterpillar C7 Engines

    Oil Plug Replaces 9S-8008, 9S8008 For Caterpillar C7 Engines

    AUTOMANN USA

    $15.25
    1.253 X 0.771 Inch Oil Plug W/ 0.575 Inch A/F & 1-1/16 Inch - 12 ThreadEnsure your Caterpillar C7 engine remains protected with this precision Oil Plug. Featuring 0.575-inch A/F, 1.253-inch diameter,...
    29-07200011
    SKU:
    29-07200011
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $15.25
    Qty in Cart: 0
    Price:
    $15.25
    Subtotal:
  • Lock Washer Replaces SA16004, C70641B, 93600072, 355AX, T1705

    Lock Washer Replaces SA16004, C70641B, 93600072, 355AX, T1705

    AUTOMANN USA

    $0.34
    0.5 Inch Lock WasherMaintain optimal fastening with this durable Lock Washer, designed for SA16004, C70641B, 93600072, 355AX, and T1705. Medium-duty washer with 1/2-inch ID, 11/64-inch width, and...
    29-1240004
    SKU:
    29-1240004
    Product Type:
    Hood Parts & Acc.
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    $0.34
    Qty in Cart: 0
    Price:
    $0.34
    Subtotal:
  • Cabin Air Spring Replaces 75314, SC29-O132, 7155, 7164, W023587155, W027037163, W027037164, W027037165, 1S4235, R816002, W027037153, 2019036

    Cabin Air Spring Replaces 75314, SC29-O132, 7155, 7164, W023587155, W027037163, W027037164, W027037165, 1S4235, R816002, W027037153, 2019036

    AFTERMARKET

    $57.99
    Sleeve Type Cabin Air Spring- Load At 80 PSI - 688 Lbs, Load At 100 PSI - 860 LbsImprove ride comfort and cab stability with this high-quality Cabin Air Spring. This sleeve-type air spring supports...
    29-10140001
    SKU:
    29-10140001
    Diameter Options:
    4 1/4 Inch
    Product Type:
    Exterior
    Height Options:
    8 1/2 Inch
    Make:
    Universal Items
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • DPF Gasket Replaces 5304868, 5417859, 2188190PE For Cummins, PACCAR

    DPF Gasket Replaces 5304868, 5417859, 2188190PE For Cummins, PACCAR

    AFTERMARKET

    $36.34
    14.25 Inch ID X 15.375 Inch OD DPF GasketKeep your DPF system functioning efficiently with this high-quality gasket for Cummins and PACCAR engines. With a 14.250-inch ID, 15.375-inch OD, and 0...
    29-0809209
    SKU:
    29-0809209
    Product Type:
    Exhaust
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $36.34
    Qty in Cart: 0
    Price:
    $36.34
    Subtotal:
  • Oil Pump Replaces 3966840 For Cummins ISC 8.3L Engines

    Oil Pump Replaces 3966840 For Cummins ISC 8.3L Engines

    AFTERMARKET

    $140.99
    Cummins ISC 8.3L Engine Oil PumpThis premium Oil Pump for Cummins ISC 8.3L engines replaces part number 3966840 and is built for heavy-duty performance. Designed to maintain steady lubrication and...
    29-07200013
    SKU:
    29-07200013
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $140.99
    Qty in Cart: 0
    Price:
    $140.99
    Subtotal:
  • Oil Cooler Replaces 3957544, 3921558, 4713985AB, AP63467 For Cummins ISB 5.9L Engine

    Oil Cooler Replaces 3957544, 3921558, 4713985AB, AP63467 For Cummins ISB 5.9L Engine

    AFTERMARKET

    $164.99
    Oil Cooler W/ 7 PlatesThis high-performance Oil Cooler is the perfect replacement for Cummins ISB 5.9L engines. With 7 plated construction and fifteen precision-drilled holes-twelve at 0.340-inch and...
    29-07200005
    SKU:
    29-07200005
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • 3.5 Inch Aluminized Steel Band Clamp Replaces A35AF, J000201

    3.5 Inch Aluminized Steel Band Clamp Replaces A35AF, J000201

    AUTOMANN USA

    $11.01
    3.5 Inch Aluminized Band ClampSecure your exhaust or piping system with this high-quality 3.5 Inch Aluminized Steel Band Clamp. Featuring pre-attached hardware and a Grade 8 M10 3/8-inch bolt, it...
    29-08000005
    SKU:
    29-08000005
    Diameter Options:
    3 1/2 Inch
    Product Type:
    Exhaust
    Width Options:
    1 1/4 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    $11.01
    Qty in Cart: 0
    Price:
    $11.01
    Subtotal:
  • EGR Pressure Differential Sensor Replaces 23531964 For Detroit Diesel 60 Series Engines

    EGR Pressure Differential Sensor Replaces 23531964 For Detroit Diesel 60 Series Engines

    AFTERMARKET

    $177.99
    EGR Pressure Differential Sensor- 3 PinMonitor exhaust gas pressure with confidence using this premium EGR Pressure Differential Sensor, replacement for Detroit Diesel 60 Series engines. Featuring 3...
    29-07100030
    SKU:
    29-07100030
    Product Type:
    Engine Parts
    Style Options:
    Detroit
    Make:
    Universal Items
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • Oil Plug Replaces 9S-8004, 9S8004, 0995845 For Caterpillar C7 Engines

    Oil Plug Replaces 9S-8004, 9S8004, 0995845 For Caterpillar C7 Engines

    AUTOMANN USA

    $14.52
    0.684 X 0.500 Inch Oil Plug W/ 0.265 Inch A/F & 9/16 Inch - 18 ThreadMaintain your Caterpillar C7 engine with this premium Oil Plug. Its 0.265-inch A/F, 0.684-inch diameter, 0.500-inch length, and...
    29-07200010
    SKU:
    29-07200010
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $14.52
    Qty in Cart: 0
    Price:
    $14.52
    Subtotal:
  • Power Steering Reservoir Cover Replaces 3953866S, Q760236, Q760241, Q761939, NMCQ760236, 5839Q761939, Q761939FLG, FGQ761939

    Power Steering Reservoir Cover Replaces 3953866S, Q760236, Q760241, Q761939, NMCQ760236, 5839Q761939, Q761939FLG, FGQ761939

    AUTOMANN USA

    $24.17
    4.25 X 6.37 Inch Power Steering Reservoir CoverThis Power Steering Reservoir Cover is an essential replacement for maintaining smooth steering operation in your truck. It features exacting...
    29-07120013
    SKU:
    29-07120013
    Height Options:
    4 Inch
    Diameter Options:
    6 1/4 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $24.17
    Qty in Cart: 0
    Price:
    $24.17
    Subtotal:
  • Oil Plug Replaces 168-2288, 1682288 For Caterpillar C7 Engines

    Oil Plug Replaces 168-2288, 1682288 For Caterpillar C7 Engines

    AUTOMANN USA

    $15.24
    0.953 Inch Oil Plug W/ 1.122 Inch A/F & M18 x 1.5 ThreadReplace worn or damaged plugs with this premium Oil Plug for Caterpillar C7 engines. With a 1.122-inch A/F, 0.953-inch length, and M18 x 1.5...
    29-07200009
    SKU:
    29-07200009
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $15.24
    Qty in Cart: 0
    Price:
    $15.24
    Subtotal:
  • EGR Pressure Differential Sensor Replaces P4050-5207-1, P405052071, ME555560 For Mitsubishi, Detroit Diesel

    EGR Pressure Differential Sensor Replaces P4050-5207-1, P405052071, ME555560 For Mitsubishi, Detroit Diesel

    AFTERMARKET

    $91.99
    2.78 Inch EGR Pressure Differential Sensor- 3 PinReliable performance and accurate EGR readings are ensured with this high-quality EGR Pressure Differential Sensor, replacement for Mitsubishi and...
    29-07100032
    SKU:
    29-07100032
    Style Options:
    Detroit
    Product Type:
    Engine Parts
    Length Options:
    2 3/4 Inch
    Make:
    Universal Items
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • Power Steering Reservoir Cover Clamp Replaces NMCQ186425, Q186425

    Power Steering Reservoir Cover Clamp Replaces NMCQ186425, Q186425

    AUTOMANN USA

    $15.26
    5.75 Inch To 7.0 Inch ID Power Steering Reservoir Cover ClampReplace worn or damaged clamps with this durable Power Steering Reservoir Cover Clamp. Its adjustable 5.75 to 7.0-inch inner diameter and...
    29-07120015
    SKU:
    29-07120015
    Width Options:
    1/2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $15.26
    Qty in Cart: 0
    Price:
    $15.26
    Subtotal:
  • Belt Tensioner Assembly Replaces 1971873PE, 2143061PE, 2140648PE For PACCAR MX Engines

    Belt Tensioner Assembly Replaces 1971873PE, 2143061PE, 2140648PE For PACCAR MX Engines

    AUTOMANN USA

    $277.99
    2.952 X 1.84 Inch Belt Tensioner AssemblyOptimize your PACCAR MX engine performance with this high-quality Belt Tensioner Assembly. Featuring a pulley 1.840 inches wide and 2.952 inches in outer...
    29-07060177
    SKU:
    29-07060177
    Diameter Options:
    3 Inch
    Width Options:
    1 3/4 Inch
    Style Options:
    Paccar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $277.99
    Qty in Cart: 0
    Price:
    $277.99
    Subtotal:
  • Stainless Steel EGR Cooler Hardware Kit Replaces 20431718

    Stainless Steel EGR Cooler Hardware Kit Replaces 20431718

    AUTOMANN USA

    $688.99
    EGR Cooler Hardware KitReplace worn components with this stainless steel EGR Cooler Hardware Kit, engineered to replace 20431718. With two EGR pipes, five V-band clamps, gaskets, and full hardware,...
    29-07110008
    SKU:
    29-07110008
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Style Options:
    Detroit
    Make:
    Universal Items
    $688.99
    Qty in Cart: 0
    Price:
    $688.99
    Subtotal:
  • Transmission Pressure Switch Replaces 29549658, 17KP489 For Allison Transmissions

    Transmission Pressure Switch Replaces 29549658, 17KP489 For Allison Transmissions

    AUTOMANN USA

    $33.30
    2.11 Inch Transmission Pressure Switch-2 PinAvoid costly transmission repairs with this high-performance Transmission Pressure Switch, engineered to replace 29549658 and 17KP489 for Allison...
    29-07100028
    SKU:
    29-07100028
    Style Options:
    2 Prong
    Product Type:
    Engine Parts
    Height Options:
    2 Inch
    Make:
    Universal Items
    $33.30
    Qty in Cart: 0
    Price:
    $33.30
    Subtotal:
  • 32 Inch Nylon 11 Blade Fan Blade Replaces 3809753C1, 3809753C2, 47354461001, 85138, 010023828 For Cummins ISX, Caterpillar C13 Engines

    32 Inch Nylon 11 Blade Fan Blade Replaces 3809753C1, 3809753C2, 47354461001, 85138, 010023828 For Cummins ISX, Caterpillar C13 Engines

    AUTOMANN USA

    $312.99
    32 Inch Fan Blade- 11 BladesProtect your engine from overheating with this durable 32 Inch Nylon 11 Blade Fan Blade, replacement for Cummins ISX and Caterpillar C13 trucks. Featuring 11 nylon blades,...
    29-07060178
    SKU:
    29-07060178
    Diameter Options:
    32 Inch
    Product Type:
    Engine Parts
    Material Options:
    Nylon
    Make:
    Universal Items
    $312.99
    Qty in Cart: 0
    Price:
    $312.99
    Subtotal:
  • Thermostat Replaces 2882757, 2952204, 3335550, 4318197, 4318947, 4973373, 34148 For Cummins

    Thermostat Replaces 2882757, 2952204, 3335550, 4318197, 4318947, 4973373, 34148 For Cummins

    AUTOMANN USA

    $47.09
    1.77 X 2.26 Inch ThermostatMaintain optimal engine operation with this high-performance 180 F Thermostat Cummins engines. Featuring precision coil and body dimensions, it delivers consistent cooling...
    29-071000031
    SKU:
    29-071000031
    Diameter Options:
    2 1/4 Inch
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Height Options:
    1 3/4 Inch
    Make:
    Universal Items
    $47.09
    Qty in Cart: 0
    Price:
    $47.09
    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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