Mack R Trucks
Mack R 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 R 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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American Eagle Stainless Steel 10 Inch Diameter 120 Inches Long Miter 1 Piece Stack
AMERICAN EAGLE EXHAUST
$2,773.99SS 10 Inch Diameter 120 Inches Long Miter 1 Piece StackUpgrade your exhaust system with our premium Stainless Steel Stack. Crafted for durability and longevity, this stack boasts a 10-inch diameter and a generous 120-inch length, providing optimal...$2,773.99 -
BESTfit Chrome 18 Inch Texas Bumper, 7 Gauge W/ Hand Formed Ends, No Pre Drilled Mounting Holes - Blank Face
BESTFIT TRUCK PARTS
$618.99BESTfit Blank Chrome Plated Steel Texas Bumper With Hand Formed End - 18 Inch * High Quality Bumper* Made Of 7 Gauge Chrome Plated Steel * 18 Inch Height* Blank Face And Ends, No Cutouts* Texas Style With Hand Formed Ends* Universal Bumper, Can Be...$618.99 -
BESTfit Haldex Style Air Height Control Valve
BESTFIT TRUCK PARTS
$156.99BESTfit PR Plus Height Control ValveIntegrate our Control Valve into your system, replacing OE numbers G90-1099-095, G901099095, 90555375, and 90555121. This aftermarket replacement part ensures precise control and reliable performance. Sold...$156.99 -
BESTfit 1.25 X 4.0625 X 18.5 Inch Semi-Round Bend U-Bolt Kit Replaces 25161637, 7QK3148P5 For Mack
BESTFIT TRUCK PARTS
$149.99BESTfit Semi-Round Bend U-Bolt Kit Fits Mack * High Quality U-Bolt* 18.50 Inch Height* 4.000 Inch Width* 5.500 Inch Thread* 1-1/4 Inch -12* 4 - Washers* 4 - Nuts* Sold As Kit* Warranty On U-Bolt Against Defects In Workmanship & Material From Date Of...$149.99 -
BESTfit Sanden Style Ear Mount AC Compressor W/ 8 Groove 119MM Pulley
BESTFIT TRUCK PARTS
$182.99BESTfit AC Compressor Sanden Style Ear Mount W/ 8 Groove 119MM PulleyThis high-quality A/C compressor features an ear mount and a Sanden-style design. It comes equipped with an 8-groove 119mm pulley for efficient operation. * High Quality A/C Compressor...$182.99 -
BESTfit Single Leaf Z Spring Replaces 56946 And 56946000 For Hendrickson
BESTFIT TRUCK PARTS
$808.99BESTfit Single Leaf Z Spring For HendricksonUpgrade your vehicle's suspension system with our aftermarket Z Spring, designed for optimal performance and durability. This single leaf spring features a thickness of 2.0 inches and is equipped with two holes...$808.99 -
8-5 Inch Stainless Steel American Eagle Exhaust T-Pipe For Long Drop Elbow
AMERICAN EAGLE EXHAUST
$328.998 To 5 Inch Stainless Steel American Eagle Exhaust T-Pipe For Long Drop ElbowUpgrade your exhaust system with our Stainless Steel Exhaust T-Pipe, designed for optimal performance and durability. This T-Pipe features a stainless steel construction,...$328.99 -
10-8 Inch Stainless Steel Long Drop Reducer Elbow
AMERICAN EAGLE EXHAUST
$1,367.9910 To 8 Inch Stainless Steel Long Drop Reducer ElbowUpgrade your exhaust system with our premium Long Drop Elbow, expertly crafted from stainless steel for unparalleled durability. With a diameter that reduces from 10 inches to 8 inches, this aftermarket...$1,367.99 -
BESTfit Driver Side Mounting Bracket For Stack Kit
BESTFIT TRUCK PARTS
$21.41BESTfit Mounting Bracket Kit For Driver Side StacksElevate your vehicle's exhaust system with our meticulously engineered Stack Mounting Bracket. Crafted for the driver's side, this aftermarket replacement part ensures a secure and stable installation...$21.41 -
BESTfit 8 Inch OD X 45 Inch VK Internal Muffler Pipe
BESTFIT TRUCK PARTS
$687.99BESTfit 8 Inch OD X 45 Inch VK Internal Muffler PipeEnhance your vehicle's exhaust system with our premium Muffler, meticulously crafted to deliver superior performance and sound control. Featuring substantial dimensions of 8 inches in diameter and 45...$687.99 -
BESTfit 7 Inch OD X 45 Inch VK Internal Muffler Pipe
BESTFIT TRUCK PARTS
$625.99BESTfit 7 Inch OD X 45 Inch VK Internal Muffler PipeElevate your vehicle's performance with our top-of-the-line Muffler, designed to deliver unparalleled sound control and airflow optimization. Featuring a generous 7-inch diameter and a 45-inch length,...$625.99 -
BESTfit 6 Inch OD X 45 Inch VK Internal Muffler Pipe
BESTFIT TRUCK PARTS
$690.99BESTfit 6 Inch OD X 45 Inch VK Internal Muffler PipeExperience unparalleled performance with our premium Muffler, meticulously crafted for exceptional sound control and optimized airflow. Boasting a 6-inch diameter and a 45-inch length, this aftermarket...$690.99