LML Duramax CP4 Fix, S&S 50 State Legal CP3 Conversion Kit Install 

In this video we go over the reasons to convert from the infamous CP4 injection pump to a much more reliable CP3 pump from S&S Diesel Motorsport. This kit was installed on a 2016 Chevrolet Silverado 2500HD LML Duramax. S&S is the only company that makes a CP3 conversion kit that is 50 state legal and has a CARB EO#, making it legal in California.
S&S CP3 conversion kit: dmaxstore.com/...
Crucial Points:
Front fan shroud removal- 4:16
Difference of CP3 and CP4 Injection Pump- 6:07
Compression fitting install details- 9:25