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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Diesel Fuel Injector O-Ring Kit For Ford & International
DAYTON / DORMAN
$16.31Diesel Fuel Injector O-Ring Kit Fits Ford & International * High Quality O-Ring Kit* Viton O-Ring Material* Includes - 6 O-Rings, - 2 Metal Tip Seals* Sold Individually* Warranty On O-Ring Kit Against Defects In Workmanship & Material From Date Of...$16.31 -
Injection Pressure Regulator Seal Kit For Ford & International
DAYTON / DORMAN
$37.73Injection Pressure Regulator Seal Kit Fits Ford & International * High Quality Seal Kit* Metal And Rubber Materials* Oil Tight Seal Seal * Sold Individually* Warranty On Seal Kit Against Defects In Workmanship & Material From Date Of Purchase** High...$37.73 -
Fuel Injection Control Module Repair Kit For Ford, GMC & International
DAYTON / DORMAN
$180.99Fuel Injection Control Module Repair Kit Fits Ford, GMC & International * High Quality Fuel Injection Control Module Repair Kit* 1.5 Inch Module Height Inch* 5.75 Inch Module Length Inch* 4.5 Inch Module Width Inch* 12 Voltage Accepted* Sold...$180.99 -
Fuel Pump Repair Kit For Ford & International
DAYTON / DORMAN
$98.93Fuel Pump Repair Kit Fits Ford & International * High Quality Fuel Pump Repair Kit* Gasket Or Seal Included* Installation Instructions Included* Steel And Rubber Materials* Includes - 3 Fittings - 1 Gasket - 3 O-Rings* Thread Sealer * 3/8-24 UNF...$98.93 -
On Sale
Intake Pre-Filter For LAF3551 Air Filter
FREEDOM AIR FILTERS
Now: $52.44Was: $74.91Intake Pre-Filter For P153551 Air Filter * High Quality Polyester Mesh Pre-Filter* This Is A Pre-Filter Wrap That Covers The Air Filter Element. Air Filter Element Not Included. Sold Separately.* Fits The Following Air Filter Numbers - ACDelco A1175C -...Now: $52.44Was: $74.91 -
CAT Engines Manifold Spacers Stainless Steel
FULL TILT PERFORMANCE
$299.89Manifold Spacers For CAT Engines Stainless Steel Fits C13, C15, ACERT And 3406 B, C And E * Made Of High Quality Stainless Steel* Exhaust Manifold Spacers* For Caterpillar Engines* Premium Bully Dog Product * Sold Individually* Made In USA* Warranty On...$299.89 -
Spicer Half Round End Yoke
OPP - ORIGINAL PARTS PROGRAM
$173.99Differential Pinion Shaft End YokeThe Spicer 6-4-7481-1 Differential End Yoke is a high-quality component designed for use in various driveshaft assemblies. It is crafted from durable materials and features precise engineering for superior performance,...$173.99 -
Fleet Charge Pre-Mixed 50/50 Coolant- 1 Gallon
AFTERMARKET
$13.04Antifreeze Fleet Charge Radiator Coolant Regulate the temperature in heavy duty diesel, gasoline, and natural gas engines with this high quality Fleet Coolant/Antifreeze. It is the original fully formulated supplemental Coolant additive (SCA) Pre-charge...$13.04 -
Air Dog Champ II Air Fuel Separator For CAT Engines 3406E, C13, C15, C16, C18
AFTERMARKET
$498.99Air Dog Champ II Air Fuel Separator Fits CAT EnginesGet your AirDog Champ II spin-on high-pressure fuel air separator at 4 State Trucks! It is designed specifically for CAT engines with secondary filters. This system effectively removes entrained air and...$498.99 -
On Sale
Fixed A/C Blue Orifice Tube For Ford, Sterling
BESTFIT TRUCK PARTS
Now: $0.15Was: $1.03Air Conditioner Orifice Tube for Automotive ReplacementOur BESTfit valves provide the same high-quality, reliable, and durable performance as factory parts. They effectively restore A/C performance by addressing restrictions or failures in components. *...Now: $0.15Was: $1.03 -
Clutch Install Kit For Fuller RT Transmission
OPP - ORIGINAL PARTS PROGRAM
$238.99Clutch Install Kit * High Quality Clutch Install Kit* For Fuller RT Series Transmissions* Includes All The Wear Items And Gaskets * Kit Includes: - S-1659 Input Shaft - 2 Inch - 14750 Retaining Ring - Inner - 16980 Retaining...$238.99 -
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 Hole This 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...$298.99