Dorman - OE Solutions 904-113 Diesel Fuel Injector Pump Driver Relocation Kit

Dorman Fuel Pump Driver Relocation Kits Dorman fuel pump driver relocation kits are designed to improve your injection pump's reliability and longevity. One of the most common failures with the DS4 pump on certain diesel engines is the pump-mounted driver, which is located on the side of the pump. These relocation kits are simple modifications which move the PMD away from the area of potential heat buildup.