Description
Genuine Bosch Fuel Pressure Regulator (FCA/MPROP).
The 2004.5-2005 LLY Duramax may experience a “surge” or “lopey” idle. If you have a higher mileage truck, a new fuel pressure regulator may be the fix.
Cross References:
Bosch: 0 928 400 653, 0928400653
GM:97369850
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