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 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 Size - Number 12...$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 Evaporator Inlet Size -...$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 Pressure 200 PSI *...$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 -
BESTfit AC Compressor SD7H15HD W/ 6 Groove Clutch
BESTFIT TRUCK PARTS
$221.99BESTfit AC Compressor W/ 6 Groove Clutch * High Quality AC Compressor* 6 Groove 125MM Clutch* Single Wire* OEM Number Inch S 5513025, 6513025, 7513025, 82016157, 2004328, And 4328 C2298Sr* Sold Individually* Warranty On AC Compressors Against Defects In...$221.99 -
BESTfit Flywheel Replaces 530GB3170M For Mack E7 & E-Tech Engines
BESTFIT TRUCK PARTS
$373.99BESTfit Flywheel With 10 Inch Center Opening, Timing Marks & 6 Bolt HolesThe described flywheel is designed for Mack E7 E-Tech applications. It features a flat design suitable for a 15-inch, 9-spring clutch, with a Size SAE #1 configuration and a 10-inch...$373.99 -
BESTfit Flywheel For Caterpillar 3176, C10, C12 & C13 Engines - Replaces 4P8515
BESTFIT TRUCK PARTS
$501.99BESTfit Flywheel With 10 Inch Center Opening & 8 Bolt HolesThe described flywheel is intended for use with Caterpillar 3176, C10, C12, and C13 engines. It features a flat design suitable for a 15-inch clutch, with a Size SAE #1 configuration and a...$501.99 -
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