Industrial Injection 436402 CP4 to CP3 Conversion Kit (No Pump) 11-16 6.6L GM Duramax LML
IMPORTANT NOTE
- This kit will ONLY work with trucks with custom ECM tuning. See Related Products section for alternatives.
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 requires custom tuning in order to properly function
Product Information
Product Information
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Shipping & Returns

Industrial Injection 436402 CP4 to CP3 Conversion Kit (No Pump) 11-16 6.6L GM Duramax LML
Industrial Injection 436402 CP4 to CP3 Conversion Kit (No Pump) 11-16 6.6L GM Duramax LML
IMPORTANT NOTE
- This kit will ONLY work with trucks with custom ECM tuning. See Related Products section for alternatives.
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 requires custom tuning in order to properly function
Original: $678.95
-70%$678.95
$203.69Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
IMPORTANT NOTE
- This kit will ONLY work with trucks with custom ECM tuning. See Related Products section for alternatives.
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 requires custom tuning in order to properly function






















