This pump fits W116 300SD, W126 300SD, and the turbo W123 1981 to 1985. New check valves and seals installed and new gasket included. This unit mounts to the bottom of the Engine-driven injection pump. Comes with special locking nuts and an installation tool. We will include the full overhaul video instructions that explain the removal process.
If you hand primer pump is old and leaking you can order a new pump below that fits on the top of the lift pump.