Mack RD Trucks
Mack RD Model 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 RD Model 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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BESTfit Blue 0.25 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
$54.56BESTfit Blue Silicone Heater Hose - 0.25 Inch X 25 Foot * High Quality Heater Hose* Silicone * Blue * 0.25 I.D. * 25 Feet * Sold Individually * Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$54.56 -
BESTfit Heavy Duty Aluminum Alloy Shims 4 Inch X 4.0 Degree - Set Of 6
BESTFIT TRUCK PARTS
$81.59BESTfit Set Of 6, 4 Inch 4.0 Degree Aluminum Alloy ShimsThe offered set of shims is crafted from durable aluminum alloy, ensuring heavy-duty performance. With a width of 4 inches and a 4-degree angle, these shims are designed to help correct caster angle...$81.59 -
BESTfit Heavy Duty Aluminum Alloy Shims 4 Inch X 1.5 Degree - Set Of 6
BESTFIT TRUCK PARTS
$61.19BESTfit Set Of 6, 4 Inch 1.5 Degree Aluminum Alloy ShimsThe provided shims are crafted from heavy-duty aluminum alloy, designed to effectively address caster angle issues. Each shim boasts a width of 4 inches and an angle of 1.5 degrees. With a spring...$61.19 -
BESTfit Heavy Duty Aluminum Alloy Shims 4 Inch X 1.0 Degree - Set Of 6
BESTFIT TRUCK PARTS
$66.80BESTfit Set Of 6, 4 Inch 1.0 Degree Aluminum Alloy ShimsThe provided shims are constructed from heavy-duty aluminum alloy and are designed to address caster angle issues effectively. Each shim measures 4 inches in width and has a 1-degree angle. With a...$66.80 -
BESTfit Heavy Duty Aluminum Alloy Shims 4 Inch X 0.5 Degree - Set Of 6
BESTFIT TRUCK PARTS
$56.29BESTfit Set Of 6, 4 Inch 0.5 Degree Aluminum Alloy ShimsThe provided shims are constructed from heavy-duty aluminum alloy, designed to correct caster angle issues. Each shim measures 4 inches in width and has a 0.5-degree angle. With a spring pad length...$56.29 -
BESTfit Heavy Duty Aluminum Alloy Shims 4 Inch X 2.0 Degree - Set Of 6
BESTFIT TRUCK PARTS
$65.68BESTfit Set Of 6, 4 Inch 2.0 Degree Aluminum Alloy ShimsThe offered shims are crafted from heavy-duty aluminum alloy and are designed to correct caster angle issues. With a width of 4 inches and a 2-degree angle, these shims feature a 6 1/2-inch spring...$65.68 -
BESTfit Spacer Block For Spring Ends For Mack Rear SS34, SS38, SS44, SS50, ST34, SWS573, SW, SWS Suspensions
BESTFIT TRUCK PARTS
$8.56BESTfit Spacer Block For Mack With 4 Inch Wide SpringThe Spacer Block is designed for the spring end bushing and is compatible with various rear suspensions including SS34, SS38, SS44, SS50, ST34, SWS573, SW, and SWS. It fits SS34 and SS38 with split...$8.56 -
BESTfit Insulator Box For Spring End Bushing For Mack Rear SS34, SS38, SS44, SS50, SWS573 Camel Back Suspension
BESTFIT TRUCK PARTS
$126.99BESTfit Spring End Bushing Insulator Box - Replaces 25168110, 52QK418AP4, 52QK418BP4, R303688 & CS71632BThe Insulator Box is designed for the spring end bushing and is compatible with various suspension systems, including Rear SS34, SS38, SS44, SS50, and...$126.99 -
BESTfit Rear Trunnion For Mack SS44, SWS573 Camel Back Suspension
BESTFIT TRUCK PARTS
$366.99BESTfit Trunnion For 3.5 Inch Trunnion Shaft & 4 Inch Spring - Replaces 25130237 & 39QK55The Trunnion, suitable for SS38-44 Series, features a 3 1/2-inch shaft and comes with 1-A758 bushing. Sold individually, it does not include ears and serves as an...$366.99 -
On Sale
BESTfit Chrome Flat Top Stack - 36 Inch X 5 Inch O.D.
BESTFIT TRUCK PARTS
Now: $105.69Was: $150.99BESTfit Chrome 5 Inch Straight Cut Top Stack 36 Inches TallThe exhaust stack is crafted from chrome-plated steel, featuring a 5-inch outside diameter (O.D.) and a total length of 36 inches. It adopts a flat top style and is sold individually. This...Now: $105.69Was: $150.99 -
BESTfit Mounting Bracket For Round Hydraulic Tank
BESTFIT TRUCK PARTS
$109.99BESTfit Round Hydraulic Tank Mounting Bracket * High Quality Tank Mount Bracket* Black* Steel With Liner* Use With 09-0601005 Strap* Requires 2 For 50 Gallon Tanks* Requires 3 For 70 Gallon Tanks* For Round Hydraulic Tank* Sold As Kit* Warranty On Tank...$109.99 -
BESTfit Chrome 6 Inch O.D. Bull Hauler Exhaust Stack - 68 Inch Length
BESTFIT TRUCK PARTS
$359.99BESTfit 6 Inch Chrome 68 Inch Bull Hauler Exhaust Stack With Plain End - O.D. * High Quality Exhaust Stack * Bull Hauler Style Turn Out* Made Of Chrome-Plated Steel* 6 Inch O.D. Pipe - Works With Seamless Design Elbows And Pipes* 68 Inch Length* Sold...$359.99