Engine Parts

Coolant Tube Fits Peterbilt 357, 377, 378 & 379 W/ CAT Engine* Made Of High Quality Stainless Steel* Upper 2.5 Inch Diameter * With Caterpillar Engine* Sold Individually* Warranty On Coolant Tubes Against Defects In Workmanship & Material From Date Of...

BESTfit Peterbilt Gasket For Radiator CoreAre you working on a radiator project? 4 State Trucks offers this aftermarket replacement gasket for a radiator core which is available with a one year warranty from the date of purchase.* High Quality Gasket*...

BESTfit Charge Air Cooler Super Duty Kit Fits PeterbiltThis aftermarket Peterbilt Super Duty Charge Air Cooler Kit is tested and designed to replace your OE 05-18730, 05-18731, 05-18751, 07-06657A, or other factory style charge air coolers. This super...

Passenger Side SS 4.5 Inch Dia. Charge Air Cooler TubeThis passenger side 4.5 Inch Diameter stainless steel charge air cooler tube fits 1967 - 1987 Peterbilt 359 models. It is used to cool the engine intake air after it passes through the turbocharger to...

Radiator Support Rod* High Quality Radiator Support Rod* With 2 Of OEM B70879 Both Ends * 17 Mmid X 33 Mm Sleeve* 25.25 Inch Offset C To C* Sold Individually* Warranty On Radiator Support Rods Against Defects In Workmanship & Material From Date Of...

2.5 Inch Upper Coolant Tube Fits Peterbilt 357, 377, 378 & 379 W/ Detroit 60 12L Or 14L Engine* High Quality Upper Coolant Tube* Diameter: 2 1/2 Inches* Made In USA* Sold Individually ** Warranty On Upper Coolant Tube Against Defects In Workmanship &...

BESTfit Charge Air Cooler Kit Fits Peterbilt* High Quality Charge Air Cooler* Inches Core Size  - 33.500 Height  - 30.500 Width  - 2.000 Core Thickness  - 4.000 Inlet   - 4.000 Outlet * Sold Individually* Warranty On Charge Air...

BESTfit Charge Air Cooler Fits PeterbiltThis aftermarket Peterbilt 320 Charge Air Cooler is tested and designed to replace your OE N4104001 factory style charge air cooler. This charge air cooler is manufactured to OE specifications and constructed from...

Lower Coolant Tube 2.5 Inch Diameter* High Quality Lower Coolant Tube* 2 1/2 diameter* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ****** Replaces OE Number(s) F66-6230 ** This Item Ships Direct From The Manufacturer And Will...

BESTfit Peterbilt High Performance 3 Row Radiator Core 34 X 39 X 2.375 Inch* High Quality High Performance Radiator Core* 3 Row Radiator Core* Size - 34.00 Inch Height  - 39.00 Inch Width  - 2.375 Inch Thickness* Header Plate  - 40.00...

BESTfit Charge Air Cooler Fits Peterbilt* High Quality Charge Air Cooler* Inches Core Size  - 33.500 Height  - 30.500 Width  - 2.000 Core Thickness  - 4.000 Inlet   - 4.000 Outlet * Sold Individually* Warranty On Air Coolers...

BESTfit Charge Air Cooler Fits PeterbiltThis aftermarket Peterbilt 387 Charge Air Cooler is tested and designed to replace your OE1E4580, 1E4955, 1E4955D, 1E5163, or other factory style charge air coolers. This charge air cooler is manufactured to OE...