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 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 -
BESTfit York Style AC Compressor With 6.125 Inch Diameter 8 Groove Clutch - Replaces ET210L-25246C
BESTFIT TRUCK PARTS
$641.99BESTfit 12V 8 Groove AC Compressor With Tube-O Head, Serpentine Belt, 2 Cylinders & Keyed ShaftThe BESTfit 12V 8 Groove AC Compressor is a high-quality and reliable component that will keep your air conditioning system running smoothly. This compressor...$641.99 -
BESTfit York Style AC Compressor With 6 Inch Diameter Clutch, 2 Grooves, Two 1/2 Inch Belts
BESTFIT TRUCK PARTS
$531.99BESTfit 12V AC Compressor With 2 Cylinders, Tube-O Head, LH Suction Port & Keyed Shaft * High Quality AC Compressor And Clutch* 12 Volts* 2 Groove* 6 Inch Clutch Diameter* (2) 1/2 Inch Belt Type* 2 Cycle Cylinders* Tube-O 1 X 14 Fitting Style* Tube-O...$531.99 -
BESTfit Sanden 4627 AC Compressor With 125MM 2 Groove Clutch, Two 1/2 Inch Belts, Long Key Shaft
BESTFIT TRUCK PARTS
$366.99BESTfit 12V 2 Groove AC Compressor With 7 Cylinders, Vertical Port & JD Head Type * High Quality AC Compressor And Clutch* 12 Volts* 2 Groove* 125 MM Clutch Diameter* (2) 1/2 Inch Belt Type* 7 Cyle Cylinders* Fitting Style: Male Insert O-Ring #8 And #10*...$366.99 -
BESTfit Sanden 4626 AC Compressor With 132MM 2 Groove Clutch, Two 1/2 Inch Belts
BESTFIT TRUCK PARTS
$386.99BESTfit 12V 2 Groove AC Compressor With 7 Cylinders, Vertical Port & Long Key Shaft * High Quality AC Compressor And Clutch* 12 Volts* 2 Groove* 132 MM Clutch Diameter* (2) 1/2 Inch Belt Type* 7 Cyle Cylinders* Fitting Style: Male Insert O-Ring #8 And...$386.99 -
BESTfit York Style AC Compressor With 2 Groove Clutch, Two 1/2 Inch Belts, Tube-O Head Type
BESTFIT TRUCK PARTS
$555.99BESTfit 12V 2 Groove AC Compressor With 2 Cylinders, Keyed Shaft, Diode Protection & LH Suction Port * High Quality AC Compressor And Clutch* 12 Volts* 2 Groove* 6 Inch Clutch Diameter* (2) 1/2 Inch Belt Type* 2 Cycle Cylinders* Tube-O 1 X 14 Fitting...$555.99 -
BESTfit Sanden 4646 AC Compressor With 132MM 2 Groove Clutch, Two 1/2 Inch Belts, Long Key Shaft
BESTFIT TRUCK PARTS
$380.99BESTfit 12V 2 Groove AC Compressor With 7 Cylinders, Horizontal Port & Diode Protection * High Quality AC Compressor And Clutch* 12 Volts* 2 Groove* 132 MM Clutch Diameter* (2) 1/2 Inch Belt Type* 7 Cyle Cylinders* Tube-O 1 X 14 Fitting Style* MDA Head...$380.99 -
BESTfit Sanden 4666 AC Compressor With 119MM 8 Groove Clutch, Horizontal Port, Long Key Shaft
BESTFIT TRUCK PARTS
$381.99BESTfit 12V AC Compressor With 1 Wire Male Bullet, Serpentine Belt, 7 Cylinders * High Quality AC Compressor And Clutch* 12 Volts* 8 Groove* 119 MM Clutch Diameter* Serpentine Belt Type* 7 Cyle Cylinders* Fitting Style: Male Insert O-Ring #8 And #10* KC...$381.99 -
BESTfit Sanden 4664 AC Compressor With 132MM 2 Groove Clutch With Vertical Port, Long Key Shaft
BESTFIT TRUCK PARTS
$339.99BESTfit 12V AC Compressor With 1 Wire Male Packard, Male Insert O-Ring & 7 CylindersThis BESTfit AC compressor has a 2 groove design and a clutch diameter of 132mm. It features 7 cylinders and a fitting style of male insert o-ring #8 and #10. The...$339.99 -
BESTfit York Style 6 Inch Diameter 2 Groove AC Compressor Clutch Assembly - Replaces 024-25238
BESTFIT TRUCK PARTS
$136.99BESTfit 12V AC Clutch Assembly With 2 - 1/2 Inch Belts & Keyed Shaft * High Quality AC Clutch* 12 Volts* 2 Wats* 2 Groove* (2) 1/2 Inch Belt Type* 2 Wire Metripack Wire Type* Keyed Shaft* W/ Diode* Sold Individually* Warranty On AC Clutchs Against...$136.99 -
BESTfit York Style 6 Inch Diameter 2 Groove AC Compressor Clutch Assembly - Replaces 501939, 14192, 024-21590
BESTFIT TRUCK PARTS
$111.99BESTfit 12V AC Clutch Assembly With 2 - 1/2 Inch Belts & Keyed Shaft * High Quality AC Clutch* 12 Volts* 2 Groove* (2) 1/2 Inch Belt Type* 1 Wire Weatherpak Wire Type* Keyed Shaft* W/ Diode* Sold Individually* Warranty On AC Clutchs Against Defects In...$111.99