Industrial Injection CP4 to CP3 Conversion Kit w/ Pump Factory Fit 11-16 6.6L GM Duramax LML
Proven Reliability
- 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 is a direct replacment for the factory CP4 and will not cause check engine lights. Works with factory tuning.
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Industrial Injection CP4 to CP3 Conversion Kit w/ Pump Factory Fit 11-16 6.6L GM Duramax LML
Industrial Injection CP4 to CP3 Conversion Kit w/ Pump Factory Fit 11-16 6.6L GM Duramax LML
Proven Reliability
- 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 is a direct replacment for the factory CP4 and will not cause check engine lights. Works with factory tuning.
Original: $2,230.95
-70%$2,230.95
$669.28Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Proven Reliability
- 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 is a direct replacment for the factory CP4 and will not cause check engine lights. Works with factory tuning.






















