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 Water Pump For Cummins ISX 15L With 12 Groove Pulley
BESTFIT TRUCK PARTS
$225.99BESTfit 12 Groove Pulley Water PumpLooking for a water pump for your Cummins ISX? Our water pump comes with a 12-groove pulley and is brand new, so you don't need to return your old one. It's sold individually and is a replacement part, not made by the...$225.99 -
On Sale
BESTfit Coolant Flex Hose Heavy Duty Silicone 2.5 ID X 36 Inch
BESTFIT TRUCK PARTS
Now: $39.96Was: $443.99BESTfit 2.50 ID X 36 Inch Heavy Duty Silicone Coolant Flex HoseLooking for a good coolant hose? Our silicone coolant hose is strong and flexible. It's 2.50 inches wide inside and 2.92 inches wide outside, and it's 36 inches long. It can bend up to 6...Now: $39.96Was: $443.99 -
On Sale
BESTfit 3.75 Inch X 3 Foot Charge Air Cooler Hose
BESTFIT TRUCK PARTS
Now: $39.00Was: $194.99BESTfit Charge Air Cooler HoseIntroducing the Charge Air Cooler Hose, a crucial component for your vehicle's cooling system. With a diameter of 3.75 inches and a length of 3 feet, this hose is designed to ensure optimal airflow and cooling efficiency...Now: $39.00Was: $194.99 -
BESTfit Coolant Hose 90 Degree
BESTFIT TRUCK PARTS
$76.49BESTfit Coolant Hose 90 Degree Introducing the Coolant Hose: a 90-degree elbow designed for durability and performance. With a diameter of 2.5 inches and a length of 10 inches, it features a tighter bend radius than most other elbows, ensuring efficient...$76.49 -
BESTfit Oil Pan Gasket Replaces 4026684 For Cummins ISX Oil Pan
BESTFIT TRUCK PARTS
$92.99BESTfit Cummins Oil Pan Gasket 5. ISX oil pan gasketUpgrade your Cummins ISX oil pan with our reliable Gasket, designed specifically for this application. Compatible with oil pan part number 29-074952540, this gasket ensures a secure seal to prevent oil...$92.99 -
BESTfit AC High Pressure Switch Opens At 300 PSI, Closes At 210 PSI Replaces 2035274C1 For International
BESTFIT TRUCK PARTS
$30.08BESTfit AC High Pressure Switch Opens At 300 PSI, Closes At 210 PSI for International * High Quality AC High Pressure Switch* .4375 -20 UNF Thread* Opens At 300 PSI* Closes At 210 PSI* Switch Is Normally Closed* Sold Individually* Warranty On A/C...$30.08 -
BESTfit AC Compressor With 2 Groove Clutch SD510HD Assembly - Replaces ABPN83304052
BESTFIT TRUCK PARTS
$197.99BESTfit AC Compressor With 2 Groove Clutch Assembly for Volvo & Mack We offer plenty of replacement part options that you need including 2 groove clutch AC compressor assemblies to replace part number ABPN83304052. This 12 volt SD510HD AC compressor...$197.99 -
BESTfit Motor Mount Rear Bushing Kit For Kenworth
BESTFIT TRUCK PARTS
$174.99BESTfit Motor Mount Rear Bushing Kit * High Quality Motor Mount Rear Bushing Kit* With Cat Engine* Includes Kit - Bolts Nuts - Washers* Both Sides On Rear Of Engine* Sold Individually***High Quality Aftermarket Replacement Part (Not OEM)***width="1293"...$174.99 -
BESTfit 3 Inch ID X 4 Inch Length 4 Ply Nomex Hot Side Coupler Hose
BESTFIT TRUCK PARTS
$34.99BESTfit 3 X 4 Inch High Temperature Coupler HoseUpgrade your vehicle's cooling system with our durable 4 Ply Hump Hose, designed specifically for hot side coupler applications. This aftermarket replacement part (not OEM) features a 3-inch inner diameter...$34.99 -
BESTfit Replacement Damper For Freightliner & International With CAT Engine
BESTFIT TRUCK PARTS
$510.99BESTfit Replacement Cat DamperEnhance your CAT engine's performance with our aftermarket CAT damper. Specifically designed to fit CAT 3406, 3408, and C15 models, this damper is sold individually for your convenience. It's crafted to meet or exceed OEM...$510.99 -
BESTfit AC Compressor With 6 Groove Clutch QP7H15-4425 Style - Replaces F69-6003121
BESTFIT TRUCK PARTS
$289.99BESTfit AC Compressor With 6 Groove Clutch Assembly For Kenworth & Peterbilt * High Quality AC Compressor* Replaces Sanden Type QP7H15-4425* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship & Material From Date Of Purchase***...$289.99 -
On Sale
BESTfit AC Compressor With Clutch Seltec QP7H15-4424 - Replaces F69-6001-122
BESTFIT TRUCK PARTS
Now: $59.00Was: $235.99BESTfit AC Compressor With 6 Groove Clutch Assembly For Paccar * High Quality AC Compressor* Replaces Sanden Type QP7H15-4424* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...Now: $59.00Was: $235.99