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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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
$165.99Exhaust 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...$165.99 -
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...$560.99 -
On Sale
BESTfit Black Poly Radiator Support Rod Bushings
BESTFIT TRUCK PARTS
Now: $29.44Was: $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...Now: $29.44Was: $35.69 -
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 -
High Performance Stage 2 Turbocharger For Caterpillar 3406B, C, E, C15 & C16
BULLY DOG
$2,050.00Bully Dog High Performance Stage 2 Turbocharger Fits Caterpillar 3406B/C/E/C15/C16Increase horsepower and decrease fuel costs of your class 8 vehicle with this high performance Stage 2 Turbocharger with a billet wheel by Bully Dog. This upgrade has a...$2,050.00 -
Exhaust Manifold And Turbo Gaskets For CAT 3406E Engines
FULL TILT PERFORMANCE
$54.99Exhaust Manifold And Turbo Gaskets Fits CAT EngineFor strong and constant seals between mating surfaces that are exposed to extreme high temperatures, update your gaskets with this quality exhaust manifold and turbo gasket kit by Bully Dog. The gaskets...$54.99 -
Power Steering Reservoir Filter Cap, Replaces 1415610000 For Freightliner Cascadia 113, 125
AUTOMANN USA
$22.42Freightliner Cascadia Power Steering Reservoir Filter Cap * High Quality Power Steering Reservoir Filter Cap* Includes: - Cap - Fluid Filter - Gasket * Sold Individually * Warranty On Power Steering Reservoir Filter Caps Against Defects In...$22.42 -
On Sale
Oil Pan Gasket For Mack MP8, Volvo D13 Engines W/ Thermoplastic Pans
AUTOMANN USA
Now: $88.89Was: $126.99Oil Pan GasketPrevent leaks with this oil pan gasket on Mack MP8 and Volvo D13 engines with a thermoplastic pan. It replaces OE numbers 20541940 and OS32454. * High Quality Oil Pan Gasket* For Engines With Thermoplastic Pan* Fits Oil Pan (29-071200011)*...Now: $88.89Was: $126.99