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With the release of the LML Duramax in 2011, GM made the switch from the reputable CP3 injection pump to the lower output CP4 pump, simply because they deemed it was Is good enough for you and your truck? We've seen numerous failures of the CP4 on stock trucks, let alone even slightly modified trucks that chew them up and spit them out. Industrial Injection has this complete conversion kit that delivers everything you need to swap out your failure prone CP4 to a dependable CP3, including the CP3!
- This kit will ONLY work with trucks with custom ECM tuning. See Related Products section for alternatives.
- The CP3 fuel pump is proven to have longevity and to be reliable in performance applications.
- The CP4 has known failure issues that cannot be remedied. These issues, if they occur, can cause damage to other major fuel system components.
- This kit requires custom tuning in order to properly function
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Do you have any in stock or are they on back order?
Just checked and all of the new Duramax CP3's are on backorder right now, so that kit would be on backorder.