The modified CP3 and CP4 Injection pumps offered by Industrial Injection are a drop in replacement for the stock CP3 and CP4 fuel Pump. Industrial Injection offers the modified CP3 injection pump for the 2001 to 2012 Duramax applications.
We have different upgrades for different applications. All injection pumps have a core charge.
- LB7 II Remanufactured Duramax
- Double Dragon 120 CP3