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Cummins 5.9 HPCR Return Check Valve
Posted to HD/Fleet Forum on 10/12/2012 4 Replies

Cummins 5.9 HPCR Return Check Valve in the rear of the cylinder head...

Does anyone know what the pop off pressure is?

How about on the newer 6.7 with the piezo injectors?

I believe Cummins is using the same Bosch piezo injectors that GM is using (LML an... Login to read more.

4 Replies Received (View Replies)