CP4 to CP3 Conversion Kit. The Durmax factory CP4 fuel pump is prone to failure, whats worse they dont supply these trucks with […]
11-16 GM 6.6 6.6L LML Duramax Diesel CP4 CP3 Injector Pump Upgrade Conversion
injector
CP4 to CP3 Conversion Kit. The Durmax factory CP4 fuel pump is prone to failure, whats worse they dont supply these trucks with […]