This Schumacher Racing Products factory replacement differential body and cover set is made for the Cat PB 4x4 buggy platform. The set includes both the cylindrical differential housing and the flanged cover cap, giving you everything needed to rebuild or replace a worn or damaged differential assembly. Both pieces are molded in black plastic and designed to Schumacher factory specifications for a direct-fit installation. Features: Includes differential body and cover cap as a set Molded plastic construction Direct factory replacement fit for Cat PB platform 7/7/26 cs