This lower coolant tube is designed to fit Peterbilt 386 trucks with a C15 Acert engine. Made of stainless steel, it features rust-resistant properties for durability. The tube has an exterior diameter of 3 inches and comes with a lifetime manufacturer warranty. It is an OE/OEM part with numbers F666257 and F66-6257, manufactured by Star Exhaust Systems in the United States. The tube is specifically designed for placement on the lower part of the vehicle's cooling system.
