Brand new Genuine Bosch stock LBZ based CP3. This unit comes with a LBZ regulator installed that needs to be changed to the proper LB7 regulator OR a custom ECM program with the regulator control scaled to match the LBZ. Requires $300 additional core deposit refunded when old unit is returned.

Genuine Bosch stock reman CP3. Requires $300 additional core deposit refunded when old unit is returned.

Genuine Bosch fuel pressure regulator for Duramax LB7

This is a standard displacement CP3 that is modified for improved flow at speeds in excess of 3500 RPM. All are LBZ based pumps/regulators so to use in a LLY or LB7 would require custom programming of the pump flow curve.