The DFC brake wheel cylinder is a replacement unit for Isuzu I-Mark rear applications identified in the product description. It restores hydraulic actuation at the rear wheel to help maintain consistent braking and correct brake shoe movement during maintenance. Intended for repair when a worn or leaking cylinder compromises rear braking, the part matches the rear location specified for the I-Mark.
DFC 70-21 Isuzu I-Mark Rear Brake Wheel Cylinder