Engine Parts

BESTfit Radiator Core Fits PeterbiltThe BESTfit 5 Row Radiator Core 37.5 x 38.75 inch is the ideal choice for Peterbilt owners needing a dependable cooling solution. Its five rows of cooling tubes maximize heat dissipation and help prevent engine...

304 Stainless Steel Lower Coolant Tube With 3/8 Inch NPT Plug And 1 Inch Hose PortThe BESTfit 2 1/2 inch stainless steel lower coolant tube is a durable replacement for OE part F66-2854, engineered for Peterbilt 567 models. Made from high-quality 304...

BESTfit Copper Brass Radiator With Dimpled 5 Row CoreIs your truck overheating? Look no further, 4 State Trucks has a great radiator for you. With this affordable 5 row option, you will get premium performance while still saving money. Get the most bang...

BESTfit Peterbilt 3 Row Copper Brass Radiator With Surge Tank & FrameExperience reliable performance with this BESTfit 3-Row Copper Brass Radiator. It comes with a surge tank and framework for secure mounting. Compatible with Peterbilt models 357...

BESTfit 3 Row Radiator With FrameDesigned specifically for Peterbilt 377, 378, and 379 trucks, the BESTfit 3 Row Copper Brass Radiator with Frame delivers reliable cooling without a surge tank. Crafted from high-quality copper brass, this radiator...

Replacement SS 2.5 X 3 Inch Lower Coolant TubeKeep your Peterbilt 357, 377, 378, and 379 running cool with this BESTfit 2.5 to 3 inch stainless steel lower coolant tube. Crafted from premium 304 stainless steel, it ensures long-lasting resistance to rust...

BESTfit Radiator Fits Peterbilt 387Keep your Peterbilt 387 running cool with the BESTfit Copper Brass 3 Row Radiator. Built with a high-quality copper and brass construction, this radiator features a 3-row core mounted in a sturdy frame. Designed for...

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

Replacement Coolant Tube Fits Peterbilt 357, 377, 378 & 379The BESTfit Stainless Steel 90 Degree Lower Coolant Tube 07-06462 is engineered for Peterbilt trucks equipped with Caterpillar 3406E or C15 engines. Crafted from high-quality stainless steel,...

BESTfit Peterbilt Removable Replacement Radiator Surge TankMaintain optimal engine cooling with the BESTfit Removable Replacement Radiator Surge Tank, built for Peterbilt trucks 357, 375, 377, 378, 379, and 385. This surge tank ensures effective coolant...

BESTfit Metal Radiator With 4 Row Core Fits Peterbilt 1994-2004The BESTfit Copper Brass 4 Row Radiator comes with a Surge Tank and frame work that can be easily fitted to select Peterbilt models. The tanks are bolted on for a secure installation.* High...

High Performance 5 Row Radiator Kit W/ Hoses, Clamps & BushingsIs 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 saving money. Get the most...