Fits: 2011 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel 

Proven Reliability-The CP3 fuel pump is proven to have longevity and to be reliable in performance applications. 

Remove the Worries-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 is designed to work with factory OE trucks without tuning and modifications. Factory emissions must be intact and functioning as per factory spec.

Features:

• No Tuning Needed

  This CP3 Conversion Kit is a direct replacement for the factory CP4 and will not cause check engine lights. No need to spend extra money on custom tuning or programmers, our kit works with the factory tuning.

• Emissions Compliant

  Designed to be used with all of the factory emissions equipment. Your truck will run as if it was from the factory.

• Proven Reliability

  The CP3 fuel pump is proven to have longevity and to be reliable in performance applications.

• Remove the Worries

  The CP4 has known failure issues that cannot be remedied. These issues, if they occur, can cause damage to other major fuel system components

Notes: 

• Core charge is for your CP4 pump.
• THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT IS NOT LEGAL IN CALIFORNIA.
• All Core Return Costs are responsible to the customer. Please contact our customer support team with any core return questions you may have. Core returns must be processed online via the Return Request Form