Peterbilt Truck Engine Parts
Elevate your big rig's performance with 4 State Trucks' premium Peterbilt semi truck engine parts. Boost your Peterbilt's heart with high-flow air filters and efficient fuel injectors, designed for both independent truckers and large fleets. Trust 4 State Trucks for top-quality Peterbilt semi truck engine parts that enhance reliability and power, ensuring your semi conquers every mile with confidence. Whether you're seeking routine replacements or performance upgrades, our components keep your Peterbilt semi truck running strong, making each haul smoother and more dependable.
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BESTfit Tensioner Fan Replaces - 4299052 & 4299052 For Cummins ISX 15.0L Engines
BESTFIT TRUCK PARTS
$99.99BESTfit Fan Tensioner Pulley Fits Cummins 15.0 Liter EngineUpgrade your engine's performance with our steel aftermarket replacement part, designed to enhance efficiency and durability. This component boasts a width of 2.244 inches and a pulley outer...$99.99 -
BESTfit AC Compressor Clutch 12 Volt York Style With 1 Wire
BESTFIT TRUCK PARTS
$165.99BESTfit AC Clutch York Style 6 Inch Diameter * High Quality AC Clutch* York Style* 6 Inch Diameter* A1 Groove* 1 Wire* 12 Volt* Key Shaft* 3 Inch MD* Sold Individually* Warranty On AC Clutches Against Defects In Workmanship & Material From Date Of...$165.99 -
BESTfit AC Peanut Expansion Valve For With Signet A/C Sleeper Peterbilt 362, 377, 378 & 385
BESTFIT TRUCK PARTS
$38.75BESTfit Peanut Expansion Valve For Peterbilt * High Quality Peanut Expansion Valve* 0.63 Inch Inlet* 0.79 Inch Outlet* 16.5 Inch Capillary Length* 1.5 Inch Tonnage Max Operating Pressure* 4.5 Inch Superheat* Sold Individually* Warranty On Peanut...$38.75 -
BESTfit 4 Row Radiator Core With Serpentine Fin For Peterbilt 359
BESTFIT TRUCK PARTS
$2,765.99BESTfit Peterbilt 359 Radiator Core With Serpentine Fin * High Quality Radiator Core* Core Dimensions- 4 Row Core- 37.5 Inch Height- 38.75 Inch Width- 3 Inch Core Thickness* Serpentine Fin* Sold Individually* Warranty On Radiator Cores Against Defects In...$2,765.99 -
BESTfit 3 Row Copper Brass Radiator W/ Out Surge Tank For Peterbilt 377, 378 & 379
BESTFIT TRUCK PARTS
$1,256.99BESTfit 3 Row Radiator With Frame * High Quality Metal Radiator* Without Surge Tank* 3 Row With Frame Work* Core Size- 36.25 Inch Height- 34.625 Inch Width- 2 Inch Core Thickness- 2.5 Inch Inlet Upper Left At 10- 3 Inch Outlet Lower Right At 9.50* Sold...$1,256.99 -
BESTfit Coolant Flex Hose Heavy Duty Silicone 2.5 ID X 36 Inch
BESTFIT TRUCK PARTS
$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...$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 DegreeIntroducing 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 Tube & Fin Charge Air Cooler 35.75 X 29.125 Inch For Peterbilt 320
BESTFIT TRUCK PARTS
$1,378.99BESTfit Tube And Fin Charge Air Cooler Fits Peterbilt 320 * High Quality Charge Air Cooler* Inches Core Size- 35.75 Inch Height- 29.125 Inch Width- 2.25 Inch Thick- 4.00 Outlet- 3.00 Inlet* Sold Individually* Warranty On Charge Air Cooler Against Defects...$1,378.99 -
BESTfit High Performance 4 Row Radiator Core W/ Gaskets For Peterbilt 378, 379
BESTFIT TRUCK PARTS
$1,711.99BESTfit Peterbilt 4 Row Radiator Core W/ Gaskets * High Quality Radiator Core* With Gaskets* Core Dimensions 4 Row Core 41.500 Height34.500 Width2.250 Core ThicknessHeader Plate Measures 37.5 Inch x 6.25 Inch - 15 FPI* Sold Individually* Warranty On...$1,711.99 -
BESTfit High Performance 3 Row Radiator Core W/ Gaskets For Peterbilt 378, 379
BESTFIT TRUCK PARTS
$1,628.99BESTfit Peterbilt 3 Row Radiator Core W/ Gaskets * High Quality Radiator Core* With Gaskets* Core Dimensions 3 Row Core 41.500 Height34.500 Width2.250 Core ThicknessHeader Plate Measures 37.5 Inch x 6.25 Inch - 15 FPI* Sold Individually* Warranty On...$1,628.99