Stanadyne Remanufactured DS4 Injection Pump WITH PMD
by Flight Systems
1994-2000 6.5L GM Turbo Diesel
A very common failure of the 6.5L GM
Turbo Diesels was in their Stanadyne DS4 injection pump. The most
common reason for this failure is due to the failure of the PMD (Pump
Mounted Driver), which is also sometimes called the FSD (Fuel Solenoid
The pumps that we offer utilize a newer style PMD designed and built by Flight Systems that typically eliminates the overheating and failure issues of the original style PMD.