Bosch LB7 Fuel Pressure Regulator MPROP FCA
Fuel Pressure Regulator, LB7, 2001-2004 Duramax
GM Part 97728979
Bosch fuel pressure regulators are made of corrosion resistant housing material and premium diaphragm materials for longer service life. Internal precision components maintain stable fuel pressure and ensure adequate fuel return. Look to Bosch as your engine management authority.