Semi-Truck Engine Parts Universal
Find quality semi truck engine parts at 4 State Trucks! Our wide selection includes everything you need to keep your truck running smoothly. From pistons to gaskets, we've got you covered. Check out our website now for great deals and fast shipping!
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BESTfit Water Pump For CAT 3406B, 3406C Engines - Replaces 7C4957 / 1354926
BESTFIT TRUCK PARTS
$444.99BESTfit Water Pump Fits Caterpillar 3406B, 3406C Engines With 74 Tooth 7.875 Inch Flat Gear - Replaces 1354926, 7C4957, 7C7019, OR8217Upgrade your engine's cooling system with our Water Pump, engineered for superior performance and reliability. Featuring...$444.99 -
BESTfit Valve Side Camshaft For Cummins ISX With Single Camshafts - Replaces 3685964, 4298629
BESTFIT TRUCK PARTS
$929.99Looking to replace your injector side camshaft? Our aftermarket replacement part is tailored for ISX model engines with a dual camshaft setup, specifically serving as an injector camshaft. With no core required, this camshaft is sold individually and...$929.99 -
BESTfit Injector Side Camshaft For Cummins ISX With Dual Camshafts - Replaces 3682142, 4101432
BESTFIT TRUCK PARTS
$1,131.99BESTfit Camshaft For Dual Camshaft Cummins ISX Engine - Injector SideLooking to replace your injector side camshaft? Our aftermarket replacement part is tailored for ISX model engines with a dual camshaft setup, specifically serving as an injector...$1,131.99 -
BESTfit Valve Side Camshaft For Cummins ISX With Dual Camshafts - Replaces 3680779, 4059170, 4059331, 4298626
BESTFIT TRUCK PARTS
$799.99BESTfit Camshaft For Dual Camshaft Cummins ISX Engine - Valve SideLooking for a replacement camshaft? Our aftermarket replacement part is precisely what you need. Designed as a dual camshaft for valve side applications in aftermarket Cummins ISX engines,...$799.99 -
BESTfit O-Ring Kit With Gaskets, Sealing Washers - 2 Of Each Size Seal
BESTFIT TRUCK PARTS
$22.43BESTfit O-Ring, Gasket & Seal Kit * High Quality O-Ring Kit * 2 Of Each Size Seal* Refrigerant Type: R12/R134A* Sold Individually* Warranty On O-Ring Kit Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$22.43 -
BESTfit AC Refrigerant PAG 100 Oil - 8 Oz.
AFTERMARKET
$14.27BESTfit 100 Viscosity PAG Oil For A/C * High Quality Oil* 8 Oz * Sold Individually* Warranty On Oil Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***width="1293" height="300" />$14.27 -
BESTfit 70 Amp 12V 4 Terminal Carrier Relay With Diode Protection - Replaces 10-00328-00
BESTFIT TRUCK PARTS
$27.53BESTfit 12V SPDT 70 Amp 4 Terminal Carrier Relay * High Quality Relay* Volts: 12V* Type: Spdt N.O.* Amps/Cfm/Btus: 70 Amp* Notes: 4 Terminal 2 Large 2 Small* Diode Protection: W/Diode* Sold Individually* Warranty On Relay Against Defects In Workmanship &...$27.53 -
BESTfit AC Compressor Sanden Style Single Groove 158MM Clutch With Single Wire Ear Mount
BESTFIT TRUCK PARTS
$217.99BESTfit Sanden Style AC Compressor With Single Groove 158MM Clutch & Single Wire Ear Mount * High Quality A/C Compressor* Single Groove 158MM Clutch * Single Wire Ear Mount* Sold Individually* Warranty On A/C Compressor Against Defects In Workmanship &...$217.99 -
BESTfit AC Compressor With Clutch Sanden SD7H15 4627 With 2 Groove Pulley
BESTFIT TRUCK PARTS
$192.99BESTfit AC Compressor With Ear-Mount - Replaces ABPN83304382, LE1145, 4379RD571200 & F696002233 * High Quality A/C Compressor* With Clutch * 2 Groove Pulley * Single Wire Connector * CW Rotation* R134A Refrigerant * JD Cylinder Head* 40 MM Gauge Line *...$192.99 -
BESTfit High Pressure Switch 300 PSI Open, 200 PSI Close - Replaces 404141
BESTFIT TRUCK PARTS
$47.93BESTfit High Pressure Switch With Wire Harness & Female 1/4 Inch Thread * High Quality High Pressure Switch* Application: Multi Fit Applications* Description: High Pressure Switch -Nc* Wire Type: With Harness* Type Of Operation: N.C. Open-300PSI...$47.93 -
BESTfit 12V Low Pressure Switch With Wire Harness - Replaces RD5-6395-1
BESTFIT TRUCK PARTS
$61.19BESTfit Low Pressure Switch With 1/4 Inch Female Thread * High Quality Low Pressure Switch* 12 Volts* Low Pressure Switch* With Harness* Type Of Operation: - Close-35 PSI - Open-15 PSI* Refrigerant Type R12/R134A* Sold Individually* Warranty On Low...$61.19 -
BESTfit Sanden 4405 AC Compressor With 119MM 10 Groove Clutch, Serpentine Belt, Vertical Port
BESTFIT TRUCK PARTS
$438.99BESTfit 12V 10 Groove AC Compressor With Vertical Port, 7 Cylinders, W/ Diode Protection & Long Key Shaft * High Quality AC Compressor And Clutch* 12 Volts* 10 Groove* 119 MM Clutch Diameter* Serpentine Belt Type* 7 Cyle Cylinders* Fitting Style: Male...$438.99