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 Trinary Air Sensing Switch Replaces OE RD-5-4625-0P
BESTFIT TRUCK PARTS
$46.99Trinary Pressure Switch - Trinary Switch - Sold Individually - Warranty On Trinary Switches Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket Replacement Part (Not OEM)$46.99 -
BESTfit Windshield Washer Wiper Nozzle 81414832, 1070123 For Volvo VNL Gen II
BESTFIT TRUCK PARTS
$11.99Volvo Windshield Wiper Washer Nozzle Replacement - Wiper Nozzle - For Windshield - Sold Individually - Warranty On Wiper Nozzles Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket Replacement Part...$11.99 -
BESTfit Transmission Mount Kit W/ 3/4 Inch X 5 Inch Bolts For Mack CH612, CH613
BESTFIT TRUCK PARTS
$209.99Mack CH612 & CH613 Transmission Mount Kit Replaces 204SX389 - Transmission Mount Kit - Includes: - (8) End Washer - (8) Transmission Mount Bushing - (4) 3/4 Inch Lock Nut - (4) Shackle Bolt - 3/4 Inch X 5 Inch...$209.99 -
BESTfit Metal 8 Blade Fan Blade Replaces 2MH429 For Mack
BESTFIT TRUCK PARTS
$153.9924 Inch Metal 8 Blade Fan Blade W/ 5 Inch Pilot Hole - Fan Blade - (8) Blades - Clockwise Rotation - Made Of Aluminum - 24 Inch Outer Diameter - 5 Inch Diameter Pilot Hole - (6) 0.353 Inch Bolt Holes - Sold...$153.99 -
On Sale
BESTfit Exhaust Manifold Kit Replaces 104GC5164AM, 21090679 For Mack CH And CXN
BESTFIT TRUCK PARTS
Now: $307.79Was: $341.99Exhaust Manifold Kit- End Section By BESTfit - Exhaust Manifold Kit - Kit Includes: - (1) Manifold - (4) Gaskets - Sold As Kit - Warranty On Exhaust Manifold Kits Against Defects In Workmanship & Material From Date Of...Now: $307.79Was: $341.99 -
BESTfit 5.5 ID Inch Rubber Air Intake Hump Hose Replaces OE 144737765690, 3H55, HH55
BESTFIT TRUCK PARTS
$39.99BESTfit 5.5 ID X 7 Inch Inch Air Intake Hump Hose - Air Intake Hump Hose - Rubber - Dimensions: - 5 1/2 Inch ID - 7 Inch Length - Made In USA - Sold Individually - Warranty On Air Intake Hump Hoses Against...$39.99 -
BESTfit Magnetic Camshaft Position Sensor Replaces 1821720C99, 1876736C91 For International, Ford
BESTFIT TRUCK PARTS
$30.79Heavy Duty Camshaft Position Sensor - 3 Pin Plug - Cam Position Sensor - Sold Individually - Warranty On Cam Position Sensors Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket Replacement Part (Not...$30.79 -
BESTfit Steel Front Sump Oil Pan W/ 34 Mounting Holes For International W/ DT466 Engines
BESTFIT TRUCK PARTS
$418.99International Steel Front Sump Oil Pan - Sump Oil Pan - Steel - With 34 Mounting Holes - Front - Sold Individually - Warranty On Sump Oil Pans Against Defects In Workmanship & Material From Date Of Purchase -...$418.99 -
BESTfit 30 Quart Steel Engine Oil Pan Front Sump For International DT466E - Replaces 7078366C91
BESTFIT TRUCK PARTS
$399.99Steel Front Sump Oil Pan For International DT466E - Engine Oil Pan - No Baffled - 18 Bolt Hole Quantity - 30 Qt. Capacity - Black Color/Finish - No Crank Shaft Wiper Included - No Dipstick Port - M18X1.5 Drain...$399.99 -
BESTfit Coolant Reservoir 2512250C91, 4062312C1 For International 9900i 1999-2011
BESTFIT TRUCK PARTS
$291.99Replacement International Coolant Reservoir - Coolant Reservoir - Includes Reservoir Cap - M52-2.5 - M14-1.5 - Mounting Holes Side 1.750 Inch - Mounting Holes Bottom 1.50 Inch - M8-1.25 - Sold Individually -...$291.99 -
BESTfit Peterbilt 359, 1967-1987 Jake Brake CAT Fuel Pump Mounted Cancel Switch
BESTFIT TRUCK PARTS
$194.99Fuel Pump Mounted Cancel Switch, 3406 B, Normally Open - Brake Fuel Pump - 3.19 Inch Length - Connector Type 2 Blade Terminal - Hex Size 0.69 Inch - Temperature -40 To 249.8 Degree F - Thread Size 5/16-18 Inch Unc-2A -...$194.99 -
BESTfit 5.5 ID X 45-Degree Rubber Air Intake Elbow For Peterbilt 359 1967-1987
BESTFIT TRUCK PARTS
$41.99Replacement Peterbilt 359 Rubber Air Intake Elbow - Air Intake Elbow - Rubber - 5.5 Inch ID - 45-Degree - Made In USA - Sold Individually - Warranty On Air Intake Elbows Against Defects In Workmanship & Material From...$41.99