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Bosch Fuel Pressure Regulator (Mprop)
A new fuel pressure regulator will fix the common surging and lopey idle that many high mileage Duramax owners have experienced. It is a good idea to replace the upper radiator pipe seal and also the y-bridge intake o-rings because both parts will need to be removed for installation purposes.
This regulator will fit all the of 2004.5-2005 LLY Duramax Diesels
GM Part#: 97369850
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