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 Square To Round AC Compressor Mounting Bracket Kit
BESTFIT TRUCK PARTS
$44.87BESTfit AC Compressor Mounting Bracket Kit * High Quality Compressor Mounting Bracket Kit* 13.00 Inch x 10.00 Inch x 2.625 Inch* Converts Existing Mounting Brackets On York 209 / 210 Or Tecumseh HG850, HG1080, Compressors To A Sanden SD508, SD508HD,...$44.87 -
BESTfit Aluminum Flywheel Housing Replaces OE Numbers 1694153, 2234739, 3044156 For C15 CAT Engines
BESTFIT TRUCK PARTS
$1,121.99BESTfit Flywheel Housing Fits CAT C15Upgrade your vehicle's flywheel housing with our durable aluminum construction. Designed to SAE #1 specifications, this housing accommodates a 20-inch ring gear flywheel and features a starter location on the driver's...$1,121.99 -
Transmission Cooler Mounting Block Kit
OPP - ORIGINAL PARTS PROGRAM
$7.44Transmission Cooler Mounting Block Kit * High Quality Transmission Mounting Block Kit* Fits 29-07050406 Coolers* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM)*** This Original Parts Program item is not aftermarket and...$7.44 -
BESTfit Fuel Check Valve For 14L Detroit Diesel 60 Series
BESTFIT TRUCK PARTS
$91.38BESTfit 14.0L Detroit Diesel 60 Series Fuel Check Valve * High Quality Fuel Check Valve* Sold Individually* Warranty On Fuel Check Valves Against Defects In Workmanship & Material From Date Of Purchase.*** High Quality Aftermarket Replacement Part (Not...$91.38 -
Gen III High Flow Performance Air Filter With Washable Element Media PACCAR T680, T880, 579
FLEET FILTERS
$550.99Gen III High Performance Air Filter Media PACCAR T680, T880, 579 * High Quality Performance Air Filter* The Only Lifetime, Washable, High Flow Air Filter On The Planet* Lower Your Operating Cost, Increase Your Horsepower, And Increase Your Fuel Mileage*...$550.99 -
Heavy Duty Cam Shaft Sensor For 7.6L DT466, 8.7L DT530 & 7.3L 444 Engines
DAYTON / DORMAN
$31.89Heavy Duty Cam Shaft Sensor * High Quality Cam Shaft Sensor* Includes: - 1 Sensor With 4 Gaskets* Bracket Included* Gray * Blade Connector/Terminal Configuration* Plug Harness Not Included* Wire Lead Not Included* Sold Individually* Warranty On Cam...$31.89 -
Flywheel For GM 7.0L, 7.4L, 8.1L Gas Engine - Replaces 12574404, FW12574404
AUTOMANN USA
$376.99Flywheel For GM 7.0L, 7.4L & 8.1L Gas Engines * High Quality Flywheel* Mounting Holes 6* Flywheel Counterbore Diameter: 6 Inches* Disc Diameter: 13 Inches* Starter Ring Gear Teeth: 197* Sold Individually* Warranty On Flywheel Against Defects In...$376.99 -
Power Steering Reservoir, Replaces A14-14796-003 & A14-19133-000 For Freightliner M2 & Cascadia
AUTOMANN USA
$123.99Power Steering Reservoir Fits Freightliner M2 & Cascadia * High Quality Power Steering Reservoir* Mounting Bracket Included* Includes - 1 Reservoir - 1 Filter Cap - 1 Filler Cap* Top Cap - I.D. .437 - O.D. .687* Bottom - I.D. .500 - O.D. .828* 2...$123.99 -
Power Steering Reservoir Replaces J86-6001 For Peterbilt 300 Series
AUTOMANN USA
$223.99Power Steering Reservoir Fits Peterbilt 300 SeriesThis quality aftermarket power steering reservoir is built to endure the effects of stress generated by the engine compartment. It is made of a heavy duty plastic and fits various Peterbilt models. * High...$223.99 -
Water Pump For Detroit Engines - Replaces 23522721
AUTOMANN USA
$470.99Water Pump For Detroit Engines * High Quality Water Pump* Fits Detroit Engines* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Replaces OE Number(s) 23522721** This Item Ships Direct From The Manufacturer And Will Arrive...$470.99 -
9 Gallon Steel Rear Sump Oil Pan For Cummins NT855 Big Cam III, IV & N14
AUTOMANN USA
$465.999 Gallon Steel Rear Sump Oil Pan * High Quality Rear Sump N14 Oil Pan* Fits Cummins NT855 Big Cam III & IV and N14* Rear Sump Steel Oil Pan With Pick-Up Tube And Clips* Oil Capacity - 9 Gallons* Upper Suction Pick-Up For Low Pressure Oil Pump* Gasket Not...$465.99 -
BESTfit 14 Inch Clutch Flywheel For Cummins B Series 5.9L With 8 Bolt Mounting Holes
BESTFIT TRUCK PARTS
$189.99BESTfit 17 Inch OD SAE 2 FlywheelUpgrade your Cummins B Series 5.9L engine with our Flywheel designed for optimal performance. This flat design flywheel features 8 bolt mounting holes and is sized to fit SAE #2 specifications. With a 14-inch clutch size...$189.99