The Peterbilt 357, 377, 379, and 385 1995 and newer charge air cooler is a reliable and practical product. With a core height of 33 1/2 inches, core width of 30 3/8 inches, and a depth of 2 inches, it fits most Peterbilt 357, 379, and 385 conventional cab models from 1995 and newer. It also fits most Peterbilt 377 2001 models. This charge air cooler is sold individually and features a 4-inch inlet and outlet. With OEM and aftermarket numbers such as 44PB20B-BP, WSR-11-BP, PET17703-N, and more, it ensures compatibility and high performance.