Mack Truck Parts
Find top-quality Mack truck parts at 4 State Trucks. Upgrade your rig with OE replacements and aftermarket solutions to ensure peak performance and durability. From bumpers and engine parts to fenders, you'll discover everything needed to keep your truck in prime condition. Hit the road confidently with reliable replacement Mack Truck parts.
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Spring Loaded Rear Light Bar W/ 6 - 4 Inch Round Light Hole Holes & 3.75 Inch Bolt Pattern - Pair
UNITED PACIFIC
$344.99Spring Loaded Light Bars W/ 6 - 4 Inch Round Light HolesIlluminate your vehicle's rear with our durable and versatile rear light bar, made from 304 stainless steel. Each bar is spring-loaded and includes screws for easy installation. Featuring a total of...$344.99 -
Chrome Bumper Guide Top W/ Amber Dome Lens
UNITED PACIFIC
$7.23Chrome Plastic Bumper Guide Top W/ Amber Dome Lens For Bores Bumper GuidesUpgrade your vehicle's look with our chrome-plated plastic base bumper guide tops, designed to fit all bores guides seamlessly. Each pair includes amber lenses, enhancing...$7.23 -
BESTfit Cam Shaft, Replaces 3930378 For Cummins B Series Engines
BESTFIT TRUCK PARTS
$130.99BESTfit Cam ShaftUpgrade your engine's performance with our aftermarket Camshaft, available individually for hassle-free installation. Crafted with precision and durability in mind, this replacement part is designed to meet your engine's demands without...$130.99 -
BESTfit 4 Inch O.D. Aluminized Steel Exhaust Pipe Replaces 4ME4781 For Mack RD
BESTFIT TRUCK PARTS
$609.99BESTfit 4 Inch O.D. Aluminized Steel Exhaust Pipe Fits Mack RD * High Quality Exhaust Pipe* Aluminized Steel* Dimensions - 4 Inch Diameter - 4 Inch O.D. Diameter* Made in The USA* Sold Individually* Warranty On Exhausts Against Defects In Workmanship &...$609.99 -
BESTfit 12V SPDT 5 Terminal Relay Replaces VFM15-F41 For Freightliner
BESTFIT TRUCK PARTS
$17.33BESTfit 20-10 Amp 12V Terminal RelayLooking for a replacement relay? Our aftermarket replacement part is designed for 12V systems and features a SPDT (Single Pole Double Throw) type with a capacity of 20-10 amps. It includes 5 terminals and does not have...$17.33 -
BESTfit Sanden SP-15/PAG 100 Oil - 8.45 Oz.
BESTFIT TRUCK PARTS
$20.39BESTfit Sanden Compressor Oil For Use With R-124A Sanden Compressors * High Quality Oil* 8.45 Oz * Sold Individually* Warranty On Oil Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$20.39 -
BESTfit AC Compressor Sanden 4308 With 2 Groove 152MM Clutch - Replaces 4308157577, U4308
BESTFIT TRUCK PARTS
$243.99BESTfit Sanden 4308 Style AC Compressor With 2 Groove 152MM Clutch * High Quality A/C Compressor* 2 Groove 152MM Clutch* Sold Individually* Warranty On A/C Compressor Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$243.99 -
BESTfit 9.875 X 8.5625 Inch AC Evaporator Replaces NB1045, 4379-RD215880 For Mack CH, CL, CX, Pinnacle, Vision
BESTFIT TRUCK PARTS
$344.99BESTfit Tube & Fin AC Evaporator Fits Mack * High Quality AC Evaporator* Height: 9 7/8 Inch* Length: 8 9/16 Inch* Inlet: #8 MOR* Type: Tube-Fin* Product Name: Evaporator* Refrigerant Type: R12/R134A* Width: 3 1/8 Inch* Sold Individually* Warranty On AC...$344.99 -
BESTfit Blue 1 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
$142.99BESTfit Blue Silicone Heater Hose - 1 Inch X 25 Feet * High Quality Heater Hose* Made Of Silicone* Blue* 1.00 Inch ID * 25 Feet* Cut To Length * Sold Individually* Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of...$142.99 -
BESTfit Heavy Duty 2 Bell Train Horn
BESTFIT TRUCK PARTS
$468.99BESTfit Powder-Coated Aluminum 2 Trumpet Train HornThis horn features a textured cast aluminum construction with two heavy-duty trumpets. It may come in either black or red powder coat. Please use it at a distance of at least 100 feet from others and...$468.99 -
BESTfit 3 Piece Exhaust Manifold Kit, Turbo Mount - Medium Angled Center Section For Detroit 60 Series Engine
BESTFIT TRUCK PARTS
$359.99BESTfit Exhaust Manifold Kit With Medium Angled Center Turbo MountThe exhaust manifold provided is a quality aftermarket replacement part designed for Detroit 60 Series engines. It comes as a 3-piece kit, including the front, center, and rear sections,...$359.99 -
BESTfit 2 Wire 7 Amp Electronic Dash Dimmer Switch
BESTFIT TRUCK PARTS
$82.00BESTfit 2 Wire Dimmer SwitchIntroducing the Dimmer Switch, a reliable aftermarket replacement part designed for optimal performance in your vehicle. This switch features two wires for easy installation and is capable of handling load and battery voltage...$82.00