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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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  • FREE SHIPPING OVER $249
    Standard Style Horn Cover Chrome Plated Steel, 7 1/4 To 7 1/2 Inch Diameter

    Standard Style Horn Cover Chrome Plated Steel, 7 1/4 To 7 1/2 Inch Diameter

    GRAND GENERAL

    $17.42
    7 1/4 To 7 1/2 Inch Diameter Chrome Plated Steel Standard Style Horn CoverEnhance your truck's interior styling with the Standard Style Horn Cover, built for durability, fitment accuracy, and...
    09-0513138
    SKU:
    09-0513138
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Universal Items
    $17.42
    Qty in Cart: 0
    Price:
    $17.42
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Painted Steel Mounted Bracket For 24 Inch Saddlemount Hydraulic Tank

    Black Painted Steel Mounted Bracket For 24 Inch Saddlemount Hydraulic Tank

    AFTERMARKET

    $134.39
    Mounted Bracket Black Painted Steel Fits 24 Inch Saddlemount Hydraulic TankSecure your hydraulic system with the Stainless Steel Hydraulic Tank Strap, designed for strength, durability, and...
    09-06010018
    SKU:
    09-06010018
    Material Options:
    Steel
    Color:
    Black
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $134.39
    Qty in Cart: 0
    Price:
    $134.39
    Subtotal:
  • Teltek Fuel Pressure PSI Sensor 0 to 150 PSI, 1/8 Inch NPT Thread

    Teltek Fuel Pressure PSI Sensor 0 to 150 PSI, 1/8 Inch NPT Thread

    TELTEK

    $121.99
    0 To 150 PSI Fuel Pressure Sensor W/ 1/8 Inch NPT ThreadEnsure accurate fuel system monitoring with the Teltek Fuel Pressure PSI Sensor, designed for dependable performance in heavy-duty truck and...
    09-071000108
    SKU:
    09-071000108
    Location:
    Made In USA
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Iowa Customs 16 Inch Stainless Steel Rear Center Panel W/ Radius Corners, 5 X 4 Inch Light Holes

    Iowa Customs 16 Inch Stainless Steel Rear Center Panel W/ Radius Corners, 5 X 4 Inch Light Holes

    IOWA CUSTOMS

    Now: $710.39
    Was: $887.99
    Stainless Steel Rear Center Panel W/ Radius Corners 16 Inch, 5 X 4 Inch Light Holes By Iowa CustomsUpgrade your rig's rear lighting setup with this premium Iowa Customs Stainless Steel Rear Center...
    09-05160038
    SKU:
    09-05160038
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Location:
    Made In USA
    Width Options:
    33 Inch
    Height Options:
    16 Inch
    Product Type:
    Bumpers
    Make:
    Universal Items
    Now: $710.39
    Was: $887.99
    Qty in Cart: 0
    Price:
    Now: $710.39
    Was: $887.99
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  • Iowa Customs Stainless Steel Inserts For Merritt Dyna Deck Flush Mount Deck Plates

    Iowa Customs Stainless Steel Inserts For Merritt Dyna Deck Flush Mount Deck Plates

    IOWA CUSTOMS

    $71.99
    Inserts For Merritt Dyna Deck Flush Mount Deck Plates Stainless Steel By Iowa CustomsUpgrade your trailer deck finish with the Iowa Customs Stainless Steel, built for durability, corrosion...
    09-050300070
    SKU:
    09-050300070
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
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  • Iowa Customs Merritt Dynadeck Slide In Rail Deck Plate Accessories, 20 Inch Storage Box Only, Stainless Steel

    Iowa Customs Merritt Dynadeck Slide In Rail Deck Plate Accessories, 20 Inch Storage Box Only, Stainless Steel

    IOWA CUSTOMS

    $1,197.99
    20 Inch Stainless Steel Merritt Dynadeck Slide In Rail Deck Plate Accessories, Storage Box OnlyImprove your truck's storage efficiency with this premium Iowa Customs Slide In Rail Deck Storage Box,...
    09-0503000022
    SKU:
    09-0503000022
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Length Options:
    14 Inch
    Width Options:
    20 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $1,197.99
    Qty in Cart: 0
    Price:
    $1,197.99
    Subtotal:
  • Bulldog Suspension Shock Front, Extended Length 26.85 Inch, Collapsed 16.61 Inch

    Bulldog Suspension Shock Front, Extended Length 26.85 Inch, Collapsed 16.61 Inch

    BULLDOG HD SHOCKS

    $42.33
    Front Suspension Shock Extended Length 26.85 Inch, Collapsed 16.61 InchRestore dependable steering response and ride quality with this high-quality Bulldog Front Suspension Shock designed for...
    09-05000005
    SKU:
    09-05000005
    Product Type:
    Frame & Chassis
    Style Options:
    Heavy Duty
    Length Options:
    27 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $42.33
    Qty in Cart: 0
    Price:
    $42.33
    Subtotal:
  • FREE SHIPPING OVER $249
    Vent Plug W/ 40 Micron Filter, Steel, 3/4 Inch NPT Thread

    Vent Plug W/ 40 Micron Filter, Steel, 3/4 Inch NPT Thread

    BUYERS PRODUCTS

    $16.53
    Hydraulic Tank Steel Vent Plug W/ 40 Micron Filter, Steel, 3/4 Inch NPT ThreadImprove hydraulic system protection and reliability with this high-quality Vent Plug, designed for heavy-duty hydraulic...
    09-02500274
    SKU:
    09-02500274
    Product Type:
    Cargo Control
    Height Options:
    3 Inch
    Material Options:
    Steel
    Diameter Options:
    3 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $16.53
    Qty in Cart: 0
    Price:
    $16.53
    Subtotal:
  • Iowa Customs On Top Dyna-Deck Airline Box 45 Degree Low Profile W/ Smooth Aluminum

    Iowa Customs On Top Dyna-Deck Airline Box 45 Degree Low Profile W/ Smooth Aluminum

    IOWA CUSTOMS

    $718.99
    Smooth Aluminum On Top Dyna-Deck Airline Box 45 Degree Low Profile By Iowa CustomsEnhance your deck system functionality with this high-quality Iowa Customs Airline Box featuring a 45 degree low...
    09-050400036
    SKU:
    09-050400036
    Style Options:
    Recessed
    Finish Options:
    Smooth
    Degree Options:
    45
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $718.99
    Qty in Cart: 0
    Price:
    $718.99
    Subtotal:
  • Spring Load Mud Flap Hanger, Straight 30 Inch Length, 2.5 Inch Bolt Center SS

    Spring Load Mud Flap Hanger, Straight 30 Inch Length, 2.5 Inch Bolt Center SS

    GRAND GENERAL

    $260.99
    Stainless Steel Mud Flap Hanger - Spring Load, Straight, 30 Inch Length, 2.5 Inch Bolt CenterEnhance rear-end protection and long-term durability with the Spring Load Mud Flap Hanger, designed for...
    09-0507407
    SKU:
    09-0507407
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Length Options:
    30 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $260.99
    Qty in Cart: 0
    Price:
    $260.99
    Subtotal:
  • Iowa Customs Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long

    Iowa Customs Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long

    IOWA CUSTOMS

    $1,202.99
    Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long By Iowa CustomsImprove underframe organization and functionality with the Iowa Customs In-Frame Deck...
    09-0503000016
    SKU:
    09-0503000016
    Product Type:
    Frame & Chassis
    Finish Options:
    Paintable
    Length Options:
    65 Inch
    Location:
    Made In USA
    Material Options:
    Aluminum
    Style Options:
    Recessed
    Width Options:
    30 Inch
    Make:
    Universal Items
    $1,202.99
    Qty in Cart: 0
    Price:
    $1,202.99
    Subtotal:
  • Iowa Customs Stainless Steel In-Frame Dove Tail Rail Covers

    Iowa Customs Stainless Steel In-Frame Dove Tail Rail Covers

    IOWA CUSTOMS

    $305.99
    Stainless Steel In-Frame Dove Tail Rail Covers By Iowa CustomsEnhance the look and durability of your rig with these premium Iowa Customs In-Frame Dove Tail Rail Covers, crafted from high-quality 304...
    09-0503000021
    SKU:
    09-0503000021
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Style Options:
    Dove Tail
    Location:
    Made In USA
    Make:
    Universal Items
    $305.99
    Qty in Cart: 0
    Price:
    $305.99
    Subtotal:
  • BESTfit 5 Inch Pre-Cut Galvanized Metal Flex Hose

    BESTfit 5 Inch Pre-Cut Galvanized Metal Flex Hose

    BESTFIT TRUCK PARTS

    $20.19 - $80.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 5 X 12 Inch Galvanized Steel Flex Hose5 X 12 Inch Galvanized Flex Hose By BESTfit* High Quality...
    PPR_300291
    SKU:
    PPR_300291
    Finish Options:
    Galvanized
    Length Options:
    18 Inch
    Length Options:
    60 Inch
    Product Type:
    Exhaust
    Material Options:
    Steel
    Style Options:
    Pre-Cut
    Diameter Options:
    5 Inch
    Length Options:
    12 Inch
    Length Options:
    48 Inch
    Style Options:
    Flex
    Make:
    Universal Items
    $20.19 - $80.99
    Qty in Cart: 0
    Price:
    $20.19 - $80.99
    Subtotal:
  • BESTfit 5 Inch Standard Duty Roll Galvanized Metal Hose

    BESTfit 5 Inch Standard Duty Roll Galvanized Metal Hose

    BESTFIT TRUCK PARTS

    $135.99 - $292.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 5 Inch X 10 Ft Galvanized Steel Flex Hose5 Inch X 10 Ft Galvanized Flex Hose By BESTfit* High...
    PPR_300294
    SKU:
    PPR_300294
    Product Type:
    Exhaust
    Length Options:
    300 Inch
    Finish Options:
    Galvanized
    Length Options:
    120 Inch
    Diameter Options:
    5 Inch
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Universal Items
    $135.99 - $292.99
    Qty in Cart: 0
    Price:
    $135.99 - $292.99
    Subtotal:
  • BESTFit 3 Inch Standard Duty Roll Galvanized Metal Hose

    BESTFit 3 Inch Standard Duty Roll Galvanized Metal Hose

    BESTFIT TRUCK PARTS

    $87.99 - $207.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 3 Inch X 10 Ft Galvanized Steel Flex Hose3 Inch X 10 Ft Galvanized Flex Hose By BESTfit* High...
    PPR_300287
    SKU:
    PPR_300287
    Diameter Options:
    3 Inch
    Length Options:
    120 Inch
    Material Options:
    Steel
    Product Type:
    Exhaust
    Style Options:
    Standard
    Finish Options:
    Galvanized
    Length Options:
    300 Inch
    Make:
    Universal Items
    $87.99 - $207.99
    Qty in Cart: 0
    Price:
    $87.99 - $207.99
    Subtotal:
  • BESTfit 3.5 Inch Standard Duty Roll Galvanized Metal Hose

    BESTfit 3.5 Inch Standard Duty Roll Galvanized Metal Hose

    BESTFIT TRUCK PARTS

    $101.99 - $224.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 3.5 Inch X 10 Ft Galvanized Steel Flex Hose3.5 Inch X 10 Ft Galvanized Flex Hose By BESTfit*...
    PPR_300292
    SKU:
    PPR_300292
    Product Type:
    Exhaust
    Length Options:
    300 Inch
    Diameter Options:
    3 1/2 Inch
    Finish Options:
    Galvanized
    Material Options:
    Steel
    Length Options:
    120 Inch
    Style Options:
    Standard
    Make:
    Universal Items
    $101.99 - $224.99
    Qty in Cart: 0
    Price:
    $101.99 - $224.99
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  • BESTfit 4 Inch Pre-Cut Galvanized Metal Flex Hose

    BESTfit 4 Inch Pre-Cut Galvanized Metal Flex Hose

    BESTFIT TRUCK PARTS

    $24.39 - $74.15
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 4 X 18 Inch Galvanized Steel Flex Hose4 X 18 Inch Galvanized Flex Hose By BESTfit* High Quality...
    PPR_300290
    SKU:
    PPR_300290
    Diameter Options:
    4 Inch
    Length Options:
    36 Inch
    Length Options:
    18 Inch
    Length Options:
    24 Inch
    Style Options:
    Flex
    Material Options:
    Steel
    Product Type:
    Exhaust
    Finish Options:
    Galvanized
    Length Options:
    60 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $24.39 - $74.15
    Qty in Cart: 0
    Price:
    $24.39 - $74.15
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Legendary Extreme 2 Inch Glass Watermelon LED Light W/ 3 Wire & High/ Low Function

    Legendary Extreme 2 Inch Glass Watermelon LED Light W/ 3 Wire & High/ Low Function

    LEGENDARY

    Now: $13.99
    Was: $19.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksLegendary Extreme 2 Inch Glass Watermelon LED Light- Cool White/ ClearExtreme 2 Inch Glass Watermelon...
    PPR_300195
    SKU:
    PPR_300195
    Color:
    Purple
    Color:
    Blue
    Product Type:
    Lighting
    Diameter Options:
    2 Inch
    Material Options:
    Glass
    Color:
    Green
    Color:
    White
    Style Options:
    Watermelon
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $13.99
    Was: $19.99
    Qty in Cart: 0
    Price:
    Now: $13.99
    Was: $19.99
    Subtotal:
  • BESTfit 3 Inch Pre-Cut Galvanized Metal Flex Hose

    BESTfit 3 Inch Pre-Cut Galvanized Metal Flex Hose

    BESTFIT TRUCK PARTS

    $29.99 - $34.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 3 X 24 Inch Galvanized Steel Flex Hose3 X 24 Inch Galvanized Flex Hose By BESTfit* High Quality...
    PPR_300288
    SKU:
    PPR_300288
    Style Options:
    Flex
    Length Options:
    36 Inch
    Finish Options:
    Galvanized
    Material Options:
    Steel
    Length Options:
    24 Inch
    Product Type:
    Exhaust
    Diameter Options:
    3 Inch
    Make:
    Universal Items
    $29.99 - $34.99
    Qty in Cart: 0
    Price:
    $29.99 - $34.99
    Subtotal:
  • BESTfit 4 Inch Standard Duty Roll Galvanized Metal Hose

    BESTfit 4 Inch Standard Duty Roll Galvanized Metal Hose

    BESTFIT TRUCK PARTS

    $130.99 - $250.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 4 Inch X 10 Ft Galvanized Steel Flex Hose4 Inch X 10 Ft Galvanized Flex Hose By BESTfit* High...
    PPR_300293
    SKU:
    PPR_300293
    Length Options:
    120 Inch
    Style Options:
    Standard
    Diameter Options:
    4 Inch
    Material Options:
    Steel
    Finish Options:
    Galvanized
    Product Type:
    Exhaust
    Length Options:
    300 Inch
    Make:
    Universal Items
    $130.99 - $250.99
    Qty in Cart: 0
    Price:
    $130.99 - $250.99
    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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