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 3 Piece Exhaust Manifold Kit For Cummins ISX - Replaces 4962571, 3682491, 3682348, 3682548, 3682959 & 3682549
BESTFIT TRUCK PARTS
$369.99BESTfit 3 Piece Exhaust Manifold Kit For Cummins ISX EnginesThe exhaust manifold described is designed for Cummins ISX engines manufactured between 2003 and 2007. It is a 3-piece set, including front, center, and rear sections, and is sold as a kit. This...$369.99 -
BESTfit Front Sump Steel Oil Pan - Replaces 3800906, 3803688, 3803849 & More For Cummins L10, M11 & ISM Engines
BESTFIT TRUCK PARTS
$701.99BESTfit Front Sump Steel Oil Pan W/ 22 Bolt HolesThe Oil Pan is specifically designed for Cummins L10, M11, and ISM engines with a front sump configuration. Constructed from stamped steel, this oil pan comes with an included oil pan mounting gasket for...$701.99 -
BESTfit Oil Pan Replaces 3892965, 3895628, 3895630 & More For Cummins L10, M11 & ISM Engines
BESTFIT TRUCK PARTS
$399.99BESTfit Rear Sump Steel Oil PanThe oil pan described is designed for rear sump applications in Cummins L10, M11, and ISM engines. It features a stamped steel construction and comes with an internal oil pick-up tube and an oil pan mounting gasket. Sold...$399.99 -
BESTfit Camshaft For Cummins N14 Celect Plus - Replaces 3411327 & 4024849
BESTFIT TRUCK PARTS
$711.99BESTfit Camshaft For Cummins N14 Celect PlusThe camshaft offered is compatible with Cummins N14 Celect Plus engines and is sold individually as an aftermarket replacement part. It replaces OE numbers 3411327 and 4024849. Before purchasing, it's...$711.99 -
BESTfit Flywheel For Cummins ISX Engine With 15 Inch Clutch - Replaces 3680921, 3680922 & 3680348
BESTFIT TRUCK PARTS
$325.99BESTfit Flywheel With 10 Inch Center Opening & 12 Bolt HolesThe offered flywheel is designed for Cummins ISX engines, featuring a flat design suitable for 15-inch clutches. It conforms to SAE #1 size standards with a 10-inch center opening and 12 bolt...$325.99 -
BESTfit 3 Piece Exhaust Manifold Kit For Cummins IX Pre-EGR - Replaces 3680650, 3680199 & 3680200
BESTFIT TRUCK PARTS
$359.993 Piece Exhaust Manifold Kit For Cummins IX Pre-EGRThe exhaust manifold offered is a three-piece aftermarket replacement intended for Cummins IX engines manufactured before the implementation of EGR systems. Featuring a slip-fit design, this kit...$359.99 -
BESTfit 3 Piece Exhaust Manifold Kit For Cummins N14 Engine - Replaces 3078322, 3078323 & 3078324
BESTFIT TRUCK PARTS
$399.99BESTfit 3 Piece Exhaust Manifold Kit For Cummins N14 1995 & NewerThe exhaust manifold provided is a three-piece aftermarket replacement designed for Cummins N14 engines manufactured from 1995 onwards. This kit consists of the front, center, and rear...$399.99 -
BESTfit 3 Piece Exhaust Manifold Kit, Turbo Mount - High / Flat Center Section For Detroit 60 Series Engine
BESTFIT TRUCK PARTS
$465.99BESTfit Exhaust Manifold Kit With High & Flat Center Turbo MountThe exhaust manifold listed is specifically designed for Detroit 60 Series engines. It comes as a 3-piece aftermarket kit, comprising the front, center, and rear sections. Notably, this kit...$465.99 -
BESTfit Oil Cooler For Detroit DD15 Engines - Replaces 4721800965
BESTFIT TRUCK PARTS
$333.99BESTfit Oil Cooler For Detroit DD15 EnginesThe listed Oil Cooler is compatible with Detroit DD15 applications and is sold individually as an aftermarket replacement part (not OEM). Before purchasing, it's crucial to verify OE numbers to ensure...$333.99 -
BESTfit Oil Cooler For Detroit DD15 Engine - Replaces 4711800865
BESTFIT TRUCK PARTS
$274.99BESTfit Oil Cooler For Detroit DD15 EngineThe Oil Cooler listed is suitable for Detroit DD15 applications and is sold individually as an aftermarket replacement part (not OEM). Before purchasing, it's important to verify OE numbers as there may be...$274.99 -
BESTfit Oil Pump For Detroit 60 Series EGR - Replaces 23527448
BESTFIT TRUCK PARTS
$439.99BESTfit Oil Pump For Detroit 60 Series EGRThe Oil Pump listed is designed for Detroit EGR 60 Series engines and is sold individually as an aftermarket replacement part (not OEM). Before making a purchase, it's important to verify OE numbers as there may...$439.99 -
BESTfit Oil Pump For Detroit 60 Series Engine - Replaces 23505886
BESTFIT TRUCK PARTS
$464.99BESTfit Oil Pump For Detroit 60 Series EngineThe Oil Pan listed is designed for Detroit 60 Series engines and is sold individually as an aftermarket replacement part (not OEM). Before making a purchase, it's important to verify OE numbers as there may be...$464.99