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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High Flow Performance Air Filter With Washable Element Media For Freightliner, International, Peterbilt
FLEET FILTERS
$380.99High Performance Air Filter Media, Replaces FA3516 * 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* Comes Apart So...$380.99 -
32 Inch Engine Fan Blade W/ 11 Blades - Replaces 4735-44003-12
OPP - ORIGINAL PARTS PROGRAM
$298.99Engine Cooling 32 Inch Fan Blade With 2.56 Inch Pilot HoleThis Engine Fan Blade with 11 blades is a reliable choice for your engine cooling needs and replaces the factory part. It measures 32 inches in diameter and has a 2.56 inch Pilot hole. It features...$298.99 -
Exhaust Manifold And Turbo Gaskets For CAT 3406E Engines
BULLY DOG
$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 Workmanship &...$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 -
Power Steering Pump Replaces K188231, K188344, 10-02519 For Kenworth, Peterbilt
AUTOMANN USA
$384.99Power Steering Pump Fits PACCAR * High Quality Power Steering Pump* 4.23 GPM* Left Hand CCW Rotation* 11 Tooth* Sold Individually* Warranty On Power Steering Pump Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$384.99 -
Power Steering Pump Replaces PS221615L116 For Peterbilt
AUTOMANN USA
$366.99Power Steering Pump Fits Peterbilt * High Quality Power Steering Pump* Heavy Duty* 16 GPM* LH Rotation* Sold Individually* Warranty On Power Steering Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$366.99 -
Flywheel With 137 Teeth, 7.25 Inch Clutch Mount For International 4700 With 444E 7.3L Engine
AUTOMANN USA
$322.99Flywheel Fits International 4700 - Replaces 1818214C91, YC356375AA & YC3Z6375AA * High Quality Fly Wheel* High Quality Fly Wheel* 444E 7.3L engine* 137 Teeth * Bore 7.25 Inch* Clutch Mounting Bolt Holes* 12/2 Crank Bolt Holes* Sold Individually *** High...$322.99 -
Teltek Thermocouple For Digital Pyrometer
TELTEK
$103.99Thermocouple Teltek Digital PyrometerThe Teltek digital pyrometer can be paired with a reliable and high-quality thermocouple, available for individual purchase. Designed to meet your temperature measuring needs, this thermocouple provides accurate...$103.99 -
Stainless Steel Power Steering Reservoir Cover For Kenworth
TWELVE GAUGE
$222.9916 Gauge Stainless Steel Power Steering Reservoir CoverDo you need a power steering reservoir cover for your Kenworth Truck? This high quality power steering reservoir cover is very simple to install, it just slips over the existing cover to offer...$222.99 -
BESTfit Oil Pan, Replaces 3924017, 5273842 For Cummins ISL Engines
BESTFIT TRUCK PARTS
$424.99BESTfit Oil PanOur black oil pan, capable of holding 16-20 quarts of oil, is available as an aftermarket replacement part, sold individually. * Oil Pan* Black* Oil Capacity 16-20 Quarts* Sold IndividuallyAftermarket Replacement Part (Not OEM)$424.99 -
BESTfit Egr Cooler, Replaces 85136427 For Volvo D11, Mack MP7 Engines
BESTFIT TRUCK PARTS
$1,074.99BESTfit Egr CoolerOur EGR cooler is designed to keep your engine running efficiently without the need for a core exchange. Each one is sold individually for your convenience. * EGR Cooler* No Core Exchange Required* Sold IndividuallyAftermarket...$1,074.99