The Industrial Injection 436404 CP4 To CP3 Conversion Kit With 42% Pump is a sure way to increase reliability and performance in the fuel system of your 2011-2016 GM 6.6L Duramax LML. Built as a replacement for your factory CP4, the CP3 Conversion Kit eliminates the CP4 and uses the more reliable CP3 Pump.
Industrial Injection - 436404 - Features
42% Over CP3
CP4 To CP3 Conversion
Increased Reliability
Not For Stock Applications - Custom Tuning Required
