Fits: 2001 Thru 2004 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7 Duramax Diesel

The modified CP3 & CP4 Injection pumps offered by Industrial Injection are a drop in replacement for the stock CP3 & 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.

Note: 

• Core must be like for like or no credit will be given. Cores must be returned within 45 days. 
  
• THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.