Industrial Injection 436405 CP4 to CP3 Conversion Kit w/ 85% Over Pump 11-16 6.6L GM Duramax LML
This product is vehicle-specific. Select your year, make, model, engine and transmission to confirm compatibility before adding it to your cart.
Select your truck to continue
Ships directly from the supplier. The final shipping cost will be shown before payment.
- Ships from Industrial Injection
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 an 85% over CP3 that is capable of supporting 800 horsepower.
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.
Tuning Required
• In order for this kit to function properly, it requires custom tuning, such as EFILive or EZ LYNK.
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 an 85% over CP3 that is capable of supporting 800 horsepower.
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.
Tuning Required
• In order for this kit to function properly, it requires custom tuning, such as EFILive or EZ LYNK.
Diesel Power Products directs warranty claims to the respective manufacturer; coverage and duration depend on that manufacturer and product. Its one-year manufacturer-defect warranty applies only to products manufactured by Power Products Unlimited Inc., not all products it sells. Manufacturer inspection is required; DPP does not pay inspection/return shipping or labor.
Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
Diesel Power Products warranty policyView complete warrantyProduct conditions
Return and warranty information is based on what Diesel Power Products offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
Professional installation is recommended.
- Return eligibility
- Diesel Power Products states a 30-day window from receipt for eligible new, uninstalled, unopened and complete items in original packaging, with prior approval/RMA. Custom tuners and specified opened tools are excluded. Customer pays return shipping; original outbound shipping, including initially free shipping, is deducted. No standard restocking percentage is stated for ordinary approved returns. Based on what Diesel Power Products offers.
- Return window
- Not stated for this product; see supplier terms
- Restocking fee
- See supplier terms; no product-specific fee stated
- Return shipping
- Based on the supplier’s return policy; see terms
- Made to order
- No
- Backorder status
- Not backordered
- Cancellation
- Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
- Warranty provider
- Diesel Power Products
- Warranty duration
- Product-specific duration not stated; see supplier terms
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Street legal
- Processing estimate
- 3–7 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- Diesel Power Products
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.