BESTfit Peterbilt 359 Radiator Core With Serpentine FinThe BESTfit 4 Row Radiator Core with serpentine fin is engineered for Peterbilt 359 trucks, offering a large 37.5 by 38.75-inch core with a 3-inch thickness for superior cooling. The serpentine fin...

BESTfit 4 Row Radiator W/ Out Surge Tank* High Quality Radiator* Made Of Copper/Brass* With Hoses, Clamps And Mounting Accessories* Without Surge Tank* 4 Row Core* With Frame Work* Core Size:  - 36.250 Inch Height  - 34.625 Inch Width  - 2...

BESTfit Radiator Kit With 4 Row Core Fits Peterbilt 1994-2004* High Quality Radiator Kit* Made Of Copper/Brass* 4 Row Core* With Surge Tank* With Frame* Bolt On Tanks* Kit Includes:  - (1) Radiator  - (1) 36 Inch X 1.00 Inch Coolant Hose ...

Coolant Tube Fits Peterbilt 357, 377, 378 & 379 W/ CAT EngineImprove your truck's cooling system with this BESTfit 3 Inch Stainless Steel Coolant Tube, designed for durability and reliable performance. Made from corrosion-resistant stainless steel, this...

BESTfit Peterbilt 4 Row Radiator CoreRestore your truck's cooling efficiency with the BESTfit High Performance 4-Row Radiator Core, sized at 41.5 by 34.5 inches. Its four-row construction maximizes heat transfer, helping to maintain optimal engine...

Poly Radiator Mount Bushing Replaces 07-05861, D84 RM75-63861, RM7563861 By BESTfitEnsure reliable radiator mounting on Peterbilt models 357, 359, 362, 377, 378, 379, and 385 with the BESTfit 1.95 Inch Poly Radiator Mount Bushing. Made from durable poly,...

Replacement Coolant Tube Lower Coolant Tube 2.5 OD To 3 Inch IDMaintain the efficiency of your Peterbilt 357, 377, 378, or 379 with the BESTfit Stainless Steel Lower Radiator Pipe, engineered for Cummins N14 engines. High-quality 304 stainless steel...

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...

Replacement Coolant Tube Fits PeterbiltEnsure consistent cooling performance with this BESTfit 3 Inch Stainless Steel Coolant Tube, designed for durability and reliable operation in demanding conditions. Crafted from corrosion-resistant stainless steel,...

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...