Semi-Truck Engine Parts
Explore a diverse range of new semi-truck engine parts at 4 State Trucks. Discover quality OE and aftermarket replacement filters, belts, sensors, flywheel components, and more online to ensure your engine runs smoothly. Elevate your truck's engine with our quality parts today!
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BESTfit SAE 3 Flywheel Housing For Cummins C/ISC/ISL Series Engines - Replaces 5339507, 3902390, 3910760
BESTFIT TRUCK PARTS
$774.99BESTfit Cummins C, ISC & ISL Series Flywheel HousingThe Flywheel Housing, constructed from cast iron material and designed for the driver-side starter position, is sold individually as an aftermarket replacement part, not OEM. It replaces OE numbers...$774.99 -
BESTfit Timing Cover Replaces 1850248C2 For International DuraStar 4400 W/ DT466 Engine
BESTFIT TRUCK PARTS
$901.99BESTfit Timing Cover For International 4400 DuraStarThe Timing Cover, crafted from aluminum, is available for individual purchase. As an aftermarket replacement part, it is not OEM and serves as a substitute for OE number 1850248C2. Please be aware that...$901.99 -
BESTfit Outer Front Gear Cover Replaces 1820465C2 For International DT466E Engines
BESTFIT TRUCK PARTS
$749.99BESTfit Timing Gear Cover For International Truck With DT466E EngineThe Outer Front Gear Cover is constructed from aluminum and is sold individually. As an aftermarket replacement part, it is not OEM and replaces OE number 1820465C2. Please note that...$749.99 -
BESTfit Inner Timing Cover Replaces 1850246C2 For International 4400 DuraStar W/ DT466 Engine
BESTFIT TRUCK PARTS
$809.99BESTfit Inner Timing Cover For International DuraStar 4400The Inner Timing Cover is constructed from aluminum and is sold individually. It is intended for use with part number 07-070400005. This aftermarket replacement part, not OEM, replaces OE number...$809.99 -
BESTfit Exhaust Manifold For Detroit 60 Series Engines - Replaces Detroit 23533974 Kit
BESTFIT TRUCK PARTS
$645.99BESTfit Exhaust Manifold For Detroit 60 - Replaces 23533949, 23533822, 23533821 & 23533221The Exhaust Manifold is specifically designed for Detroit Diesel Series 60 engines, featuring a mid-mount turbo location. It includes the center section (23533949),...$645.99 -
BESTfit Exhaust Manifold For Cummins B/ISB Series - Replaces 3967751, 3937477
BESTFIT TRUCK PARTS
$239.99BESTfit Exhaust Manifold With Offset Turbo Mount Section & Slip Fit End SectionsThe Exhaust Manifold features a turbo mount section that is offset, with the end section designed for slip fit. Sold individually, this aftermarket replacement part is not...$239.99 -
BESTfit Exhaust Manifold For Cummins C/ISC Series - Replaces 3943841, 3937477
BESTFIT TRUCK PARTS
$253.99BESTfit Exhaust Manifold With Centered Turbo Mount SectionThe Exhaust Manifold features a turbo mount section that is centered, with the end section utilizing the seals provided. Sold individually, this aftermarket replacement part is not OEM and...$253.99 -
BESTfit Expansion Block Replaces 85120289 For Volvo VHD, VN Models 2011-2016
BESTFIT TRUCK PARTS
$96.89BESTfit Flange-Mount Expansion Block For Volvo VHD & VNL Gen II * High Quality Expansion Block * Features: - Block Mounting Type - R134A Refrigerant Type - Number 6 Hose Inlet Size - Number 12 Hose Outlet Size - Number 8 Evaporator Inlet...$96.89 -
BESTfit Expansion Block Replaces 3857948-C2 For Mack Granite, Pinnacle 2011-2016
BESTFIT TRUCK PARTS
$102.99BESTfit Flange-Mount Expansion Block For Mack CV713 & CXU613 * High Quality Expansion Block * Features: - 2 Ton Rating - Block Mounting Type - R134A Refrigerant Type - Number 8 Hose Inlet Size - Number 10 Hose Outlet Size - Number 8...$102.99 -
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 18 X 7 X 1.5 Inch Oil Cooler With 200 PSI Max Operating Pressure, 300 Degree Max Temperature
BESTFIT TRUCK PARTS
$206.99BESTfit Oil Cooler With 1/2 Inch NPT Female Fittings, 2-12 GPM Flow Rate & 8,600-11,600 BTU Range * High Quality Oil Cooler* Measurements: - 18 Inch Height - 7 Inch Length - 1.50 Inch Width* 1/2 Inch NPT Female Fittings* Max Operating...$206.99 -
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