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 Fuel Check Valve For 12.7L Detroit Diesel Engine
BESTFIT TRUCK PARTS
$66.70BESTfit 12.7L Detroit Diesel Engine Fuel Check Valve * High Quality Fuel Check Valve* Sold Individually* Warranty On Fuel Check Valves Against Defects In Workmanship & Material From Date Of Purchase.*** High Quality Aftermarket Replacement Part (Not OEM)...$66.70 -
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BESTfit Blue 0.75 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
Now: $65.68Was: $93.83Blue Silicone Heater Hose - 0.75 Inch X 25 Feet * High Quality Heater Hose* Made Of Silicone* Blue* 0.750 Inch ID * 25 Feet* Cut To Length * Sold Individually* Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of Purchase***High...Now: $65.68Was: $93.83 -
BESTfit Blue 0.625 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
$70.37BESTfit Blue Silicone Heater Hose - 0.625 Inch X 25 Foot * High Quality Heater Hose* Made Of Silicone* Blue* 0.625 Inch ID * 25 Feet* Cut To Length * Sold Individually* Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of...$70.37 -
BESTfit Blue 0.5 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
$79.55BESTfit Blue Silicone Heater Hose - 0.5 Inch X 25 Foot * High Quality Heater Hose * Silicone* Blue * 0.500 Inch I.D.* 25 Feet* Sold Individually * Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$79.55 -
BESTfit Blue 0.25 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
$54.56BESTfit Blue Silicone Heater Hose - 0.25 Inch X 25 Foot * High Quality Heater Hose* Silicone * Blue * 0.25 I.D. * 25 Feet * Sold Individually * Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$54.56 -
BESTfit 4 PSI Kick-Off Low Air Switch With 1/8-27 NTP Thread, 2 Blade Connector - Replaces FSC-1749-2134
BESTFIT TRUCK PARTS
$7.33BESTfit Low Air Pressure Switch With 2-6 Lb. Cutoff & Thread Sealant * High Quality Air Pressure Switch * Specifications: - 4 PSI - 2 - 6 Lb. Cutoff- 1/8 - 27 NTP Connecting Thread- 2 Blade Connector - Thread Sealant * Sold Individually * Warranty On Air...$7.33 -
BESTfit Normally Open Stop Lamp Switch With 1/8-27 NTP Thread, 2 Blade Connector - Replaces FSC-1749-1907
BESTFIT TRUCK PARTS
$12.23BESTfit 65 PSI Actuation, 75 PSI Deactuation Stop Lamp Switch * High Quality Stop Lamp Switch * Connecting Thread 1/8-27 NTP* 2-Blade Connector Type * Actuation: 65 PSI* Deactuation: 75 PSI * Threaded Sealant * Total Part Length 2.25 Inches * Sold...$12.23 -
BESTfit SAE 3 Flywheel Housing For Cummins C/ISC/ISL Series Engines - Replaces 5339507, 3902390, 3910760
BESTFIT TRUCK PARTS
$774.99BESTfit Cummins C, ISC & ISL Series Flywheel HousingThe Flywheel Housing, constructed from cast iron material and designed for the driver-side starter position, is sold individually as an aftermarket replacement part, not OEM. It replaces OE numbers...$774.99 -
BESTfit Timing Cover Replaces 1850248C2 For International DuraStar 4400 W/ DT466 Engine
BESTFIT TRUCK PARTS
$901.99BESTfit Timing Cover For International 4400 DuraStarThe Timing Cover, crafted from aluminum, is available for individual purchase. As an aftermarket replacement part, it is not OEM and serves as a substitute for OE number 1850248C2. Please be aware that...$901.99 -
BESTfit Outer Front Gear Cover Replaces 1820465C2 For International DT466E Engines
BESTFIT TRUCK PARTS
$749.99BESTfit Timing Gear Cover For International Truck With DT466E EngineThe Outer Front Gear Cover is constructed from aluminum and is sold individually. As an aftermarket replacement part, it is not OEM and replaces OE number 1820465C2. Please note that...$749.99 -
BESTfit Inner Timing Cover Replaces 1850246C2 For International 4400 DuraStar W/ DT466 Engine
BESTFIT TRUCK PARTS
$809.99BESTfit Inner Timing Cover For International DuraStar 4400The Inner Timing Cover is constructed from aluminum and is sold individually. It is intended for use with part number 07-070400005. This aftermarket replacement part, not OEM, replaces OE number...$809.99 -
BESTfit Exhaust Manifold For Detroit 60 Series Engines - Replaces Detroit 23533974 Kit
BESTFIT TRUCK PARTS
$645.99BESTfit Exhaust Manifold For Detroit 60 - Replaces 23533949, 23533822, 23533821 & 23533221The Exhaust Manifold is specifically designed for Detroit Diesel Series 60 engines, featuring a mid-mount turbo location. It includes the center section (23533949),...$645.99