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Rail Pressure Relief Kit
Adjusts Rail Pressure Relief Valve
1040360 - Fuel Pressure Relief Valve Kit
1040360 - Fuel Pressure Relief Valve Kit

This inexpensive kit allows adjustments of the rail pressure relief valve on Duramax LLY/LBZ engines. Includes genuine Bosch shims.

Product Warranty 1 Year Parts
  • Available Makes
  • Chevy
  • Available Engines
  • 2004 - 2006 6.6L
  • Available Transmissions
  • Automatic
  • Manual
Product Rating
CloseOnline Reviews:
  • Jul 12, 2012
    Installation: 5
    Peformance: 5

    Have a 05 Chevy 4500, low rail pressure P Code 1093. Spent $12,000 in every other item that did not fix the issue. Ordered a shim kit and installed, problem went immediately away. THANK YOU

    Reviewed By: Butch

1040360     Duramax 2004½-06 LLY/LBZ Engines