Engine Parts

BESTfit 4 Row Radiator W/ Out Surge TankIs your truck overheating? Look no further, 4 State Trucks has a great radiator for you. With this affordable option, you will get premium performance while still being a dependable choice. Get the most bang for...

BESTfit Radiator Kit With 4 Row Core Fits Peterbilt 1994-2004This high quality Copper Brass Radiator with a Surge Tank 36.25 X 34.375 inch that fits Peterbilt 375, 377, 378, and 379 has offset mounting bolts. The radiator kit includes: 1 radiator, one 36...

Coolant Tube Fits Peterbilt 357, 377, 378 & 379 W/ CAT Engine* Made Of High Quality Stainless Steel* Upper 3 Inch Diameter * With Caterpillar Engine* Sold Individually* Warranty On Coolant Tubes Against Defects In Workmanship & Material From Date Of...

BESTfit Peterbilt 4 Row Radiator Core* High Quality Radiator Core* Core Dimensions   4 Row Core   41.500 Height  34.500 Width  2.250 Core Thickness* Header Plate Measures 37.5 Inch x 6.25 Inch - 15 FPI* Sold Individually* Warranty On...

Poly Radiator Mount Bushing Replaces 07-05861, D84 RM75-63861, And RM7563861* High Quality Radiator Mount Bushing* Poly* Description:  - 1.95 Inch Length  - 0.525 Inch ID   - 1.3 Inch OD * Sold Individually * Warranty On Radiator Mount...

Replacement Coolant Tube Lower Coolant Tube 2.5 OD To 3 Inch ID* High Quality Lower Coolant Tube* 304 Stainless Steel * Dimensions:  - 2 1/2 Inch OD  - 3 Inch ID* 1 Port 3/8 Inch NPT* Rust Resistant * Sold Individually* Warranty On Lower...

Peterbilt Replacement 4 Row Radiator CoreGet your new Peterbilt 375, 377, 378, 379 radiator core today at 4 State Trucks! The BESTfit Radiator Core for Class 8 vehicles features a design with 4 rows of 1/2 inch tubes on 5/16 inch tube centers, along with...

Coolant Tube Fits Peterbilt* High Quality Coolant Tube* Made Of Stainless Steel* Lower 3 Inch Diameter * With Caterpillar Engine* Sold Individually* Warranty On Coolant Tubes Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...

2.5 Inch Upper Coolant Tube Fit PeterbiltThis aftermarket Peterbilt 357, 378, and 379 Stainless Steel Upper Coolant Tube is designed to replace your OE 05-19262 factory style coolant tube. Manufactured to OE specifications this replacement coolant tube...

Lower Coolant Tube Fits PeterbiltThis aftermarket Peterbilt 357, 378, and 279 Stainless Steel Lower Coolant Tube is designed to replace your OE 07-06464 factory style coolant tube. Manufactured to OE specifications this replacement coolant tube is...

BESTfit 36.25 X 34.5 X 3.4375 Inch 11 FPI 6 Row Dimpled Tube Radiator Core* High Quality Radiator Core* R Style* 6 Row Core* Dimpled Tube* Dimensions  - 36.25 Inch Height  - 34.5 Inch Width  - 3.4375 Inch Thickness  - 37.5 X 6.5 Inch...

Peterbilt Coolant Tube* Made Of High Quality Stainless Steel* Lower 2.5 To 3 Inch Diameter * With Detroit Engine* Sold Individually* Warranty On Coolant Tubes Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...