Fits: 2004.5 thru 2005 Chevy Silverado/GMC Sierra 2500HD/3500HD LLY

Replacing your bad fuel pressure regulator helps fix the common surging and loping idle problem that many high mileage Duramax's have. DmaxStore recommends ordering the Fuel Pressure Regulator Install Kit when replacing the GM Fuel Pressure Regulator. This is the highest quality replacement regulator on the market.

Dmaxstore Note:

• Trouble codes consistent with a failing fuel pressure regulator are P0090, P0089, P1093.

Replaces Part #:

• GM 97369850, supersedes 0928400574