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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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 -
BESTfit 7.75 Inch U-Bolt Top Plate For Mack MAXAIR - Twisted Sister AL231, AL405 Suspension 2001-2004
BESTFIT TRUCK PARTS
$41.81BESTfit U-Bolt Top Plate - Replaces 587752, 58775-002, 65084, 65084-000, 11QK497M2, R3015721The U Bolt Top Plate, replacing OE numbers 587752, 58775002, 58775-002, 65084, 65084000, 65084-000, 11QK497M2, and R3015721, is sold individually. It ships...$41.81 -
BESTfit Rear Air Spring For Mack MAXAIR - Twisted Sister AL231, AL405 Suspension 2001-2004
BESTFIT TRUCK PARTS
$263.99BESTfit Air Spring For Mack MaxAir Suspension - Replaces 9647, 58786002, 587862, 64917002, 25161909 & 57QL417MThe Air Spring, serving as a replacement for OE numbers 9647, 58786002, 587862, 64917002, 25161909, and 57QL417M, ships directly from the...$263.99 -
BESTfit 3 Piece Exhaust Manifold Kit For Detroit 60 Series - Replaces 23537114, 23537115, 23537116
BESTFIT TRUCK PARTS
$451.99BESTfit 3 Piece Exhaust Manifold Kit With Flexible Bellows For Detroit 60 Series EngineThe exhaust manifold kit comprises three pieces, including the front, center, and rear sections, and is sold individually as an aftermarket replacement part, not OEM...$451.99 -
BESTfit Tube & Fin Charge Air Cooler 24.69 X 18.625 X 2.76 Inch For Mack MR 1994-2007
BESTFIT TRUCK PARTS
$337.89BESTfit 24.69 X 18.625 X 2.76 Inch Tube & Fin Charge Air Cooler Fits Mack MR 1994-2007 * High Quality CAC Tube* Construction: Brazed* Core Size: - 24.69 Inch Height- 18.62 Inch Width- 2.76 Depth* Inlet 4.00* Outlet 3.00* Driver Side Connection 8 Inches...$337.89 -
BESTfit Tube And Fin Charge Air Cooler For Mack CL 1995-2007
BESTFIT TRUCK PARTS
$1,290.99BESTfit Tube And Fin Charge Air Cooler Fits Mack CL 1995-2007 * High Quality CAC Tube* Construction: Brazed* Core Size: - 28.25 Inch Height- 25.55 Inch Width- 2.21 Depth* Inlet 4.00* Outlet 4.00* Sold Individually * Warranty On CAC Tube Against Defects...$1,290.99 -
On Sale
BESTfit 270 Degree Heat Shield With Round Holes For 8 Inch Exhaust Stack
BESTFIT TRUCK PARTS
Now: $219.09Was: $312.99BESTfit 270 Degree Heat Shield With Round Holes For 8 Inch Exhaust StackThe heat shield is designed with a 270-degree coverage and features round holes. It is specifically crafted for 8-inch exhaust stacks, with an overall length of 60 inches. Please...Now: $219.09Was: $312.99Qty in Cart: 0Quantity:Price:Now: $219.09Was: $312.99Subtotal: -
BESTfit Ear-Mount AC Compressor Sanden With 2 Groove 132MM Clutch, 1 Wire Connection
BESTFIT TRUCK PARTS
$179.99BESTfit AC Compressor - Replaces 2241180000, ABPN83304843, N83-304274, N83-304572 & N83-304843 * High Quality AC Compressor* Connector: 1 Wire Female Weatherpack* Connector Type: Female* Cylinder Head: Mja* Pulley Diameter: 132 Mm* Gauge Line: 40 Mm*...$179.99 -
BESTfit Charge Air Cooler 30.44 X 24.68 Inch For Mack R 1981-1991, Mack U 1981-1989
BESTFIT TRUCK PARTS
$979.99BESTfit Charge Air Cooler Fits Mack R & Mack U Series * High Quality Charge Air CoolerMeasurements: - 30.44 Height- 24.68 Width- 2.50 Thick- 4.00 Inlet And Outlet* Sold Individually * Warranty On Charge Air Cooler Against Defects In Workmanship &...$979.99 -
BESTfit Heavy Duty 1 Bell Train Horn
BESTFIT TRUCK PARTS
$380.99BESTfit Powder-Coated Aluminum 1 Trumpet Train HornThis horn trumpet is constructed from textured cast aluminum and produces a sound of 126 decibels. It should be used at a distance of at least 100 feet from others and should never be operated in a...$380.99 -
BESTfit 4 X 48 Inch Chrome Turnout Stack
BESTFIT TRUCK PARTS
$186.99BESTfit 4 X 48 Inch Chrome Turnout StackThis turnout stack is 48 inches in length and has a 4-inch outer diameter. Sold individually, this aftermarket replacement part is not OEM. Please note that this item ships directly from the manufacturer and may...$186.99