BOSCH 0928-400-673 LBZ LMM DURAMAX FUEL PRESSURE REGULATOR (MPROP) 2006-2010

Genuine 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 as it will need to be removed for installation purposes. This regulator is a drop in replacement for all the of 2006-2010 6.6L LBZ or LMM Duramax Diesels.

Fuel pressure regulators are common failures on Duramax trucks. If you have a scan tool capable of viewing desired rail pressure and actual rail pressure, you'll likely see these numbers have a large spread on trucks trying to overcome FPR issues at idle. Keep in mind, a FPR failure may indicate your fuel system has been contaminated. Its best practice to replace your fuel filter during service.

Fitment:

2006-2010 LBZ LMM Equipped GM Trucks and Vans

8th Digit of Vin "D" (LBZ)

8th Digit of Vin "6" (LMM)

Interchange:

GM Part# 97369850, 97384667

Bosch# 0928-400-673

Bosch# 1-465-ZS0-063