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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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 Black Poly Radiator Support Rod Bushings
BESTFIT TRUCK PARTS
$35.69BESTfit Bushings For Radiator Support Rod * Made Of High Quality Polyurethane* Bushing For Radiator Support Rod, Radiator To Frame or Engine* 2 Bushings Per Package* Sold Individually* Warranty On Bushings Against Defects In Workmanship & Material From...$35.69 -
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 -
Gen III High Flow Performance Air Filter With Washable Element Media For Media Kenworth T660, T800, W900S
FLEET FILTERS
$527.99Gen III High Performance Air Filter Media Kenworth T660, T800, W900S * 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...$527.99 -
Steel Screw-On Exhaust Brake Actuator Replaces 4024759 & 45591024614 For Cummins ISX
DAYTON / DORMAN
$170.99Exhaust Brake Actuator * High Quality Exhaust Brake Actuator* Steel Flange Material* Gray Housing* 0.12 In. Pipe Inlet Inside Diameter* 0.12 In. Pipe Outlet Inside Diameter* Screw On Mount Type* Specific Fit* Mounting Hardware Not Included* Sold...$170.99 -
Thermoplastic Oil Pan Replaces 21368390, 20493971 For Mack MP8 And Volvo D13 Engines
AUTOMANN USA
$560.99Thermoplastic Oil Pan For Mack MP8 & Volvo D13 Engines * High Quality Oil Pan* Thermoplastic * Dimensions- 46.250 Inch Length- 13.781 Inch Width- 14.875 Inch Height* 21 Quart Capacity* Front Sump* Includes Drain Plugs* For Mack MP8 And Volvo D13 Engines*...$560.99 -
1 Piece Exhaust Manifold, Replaces 4P5008, 1005693 For 3406E And Early C15 Caterpillar
AKMI
$485.99Exhaust Manifold W/ Center & End Section For Cat 3406E & Early C15 Engines * High Quality Exhaust Manifold * 1 Piece Design * Fits Caterpillar 3406 E and Caterpillar Early C15* Includes: Manifold Only* No Gaskets or Mounting Kit Included - Sold...$485.99 -
Ungrounded Thermocouple For Pyrometer Sender
ISSPRO
$65.27Ungrounded Thermocouple With 2.25 Inch Probe * High Quality Thermocouple* Ungrounded* 2.25 Inch Probe Length* Sold Individually* Warranty On Thermocouples Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$65.27 -
Rubber Straight Hump Coupler, 5 1/2 Inch ID x 6 Inch For Intake Piping
AFTERMARKET
$39.715 1/2 Inch ID Black Rubber Hump Style Straight Coupler WithCreate a smooth transition between two sections of intake piping with this rubber straight hump hose coupler. Designed for optimal airflow and reduced turbulence in your truck's air system. It...$39.71 -
6 Foot PTO Control Cable W/ 3 Inch Travel, Rod End Control, Stainless Steel Core
AFTERMARKET
$41.996 Foot PTO Control Cable W/ 3 Inch Travel, Rod End Control, Stainless Steel Core * High Quality Control Cable* 6 Foot * With 3 Inch Travel And Rod End Control * Provides A Sturdier Base To Handle Heavier Job* Rust Resistant Stainless Steel Core For Long...$41.99