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Fulfillment From Multiple U.S. Warehouses
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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Industrial Injection
Industrial Injection 2011-2016 GM Duramax 6.6L LML CP4 to CP3 Conversion Kit with Pump (No Tuning Required) 436401
$2,330.95
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (6.6L LML).
Protect your Duramax LML from the well-documented failure risks of the factory CP4 high-pressure fuel pump. The Industrial Injection CP4 to CP3 Conversion Kit (MPN 436401) provides a reliable solution by swapping the delicate OE pump for a robust, proven CP3 pump. This kit is specifically designed for a straightforward installation that requires no ECM recalibration or aftermarket tuning, ensuring your truck remains reliable without additional software complexity.
- Reliability Upgrade: Replaces the failure-prone CP4 with a high-durability CP3 pump.
- No Tuning Required: Engineered to work with the factory ECM calibration for a seamless swap.
- Comprehensive Solution: Includes the high-pressure pump and all necessary hardware for the conversion.
- Part Number: 436401
Vehicle Fitment:
| Year | Make | Model |
|---|---|---|
| 2011-2016 | Chevrolet | Silverado 2500 HD / 3500 HD |
| 2011-2016 | GMC | Sierra 2500 HD / 3500 HD |
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2016 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2016 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2016 | GMC | Sierra 2500 HD | Base |
| 2011-2016 | GMC | Sierra 2500 HD | Denali |
| 2011-2016 | GMC | Sierra 2500 HD | SLE |
| 2011-2016 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2015-2016 | GMC | Sierra 3500 HD | Base |
| 2011-2016 | GMC | Sierra 3500 HD | Denali |
| 2011-2016 | GMC | Sierra 3500 HD | SLE |
| 2011-2016 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
Choose your Location
-
Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
Industrial Injection 2011-2016 GM Duramax 6.6L LML CP4 to CP3 Conversion Kit with Pump (No Tuning Required) 436401
$2,330.95
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
Price Match
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Share:
$2,330.95
$2,330.95
$2,330.95
Fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (6.6L LML).
Protect your Duramax LML from the well-documented failure risks of the factory CP4 high-pressure fuel pump. The Industrial Injection CP4 to CP3 Conversion Kit (MPN 436401) provides a reliable solution by swapping the delicate OE pump for a robust, proven CP3 pump. This kit is specifically designed for a straightforward installation that requires no ECM recalibration or aftermarket tuning, ensuring your truck remains reliable without additional software complexity.
- Reliability Upgrade: Replaces the failure-prone CP4 with a high-durability CP3 pump.
- No Tuning Required: Engineered to work with the factory ECM calibration for a seamless swap.
- Comprehensive Solution: Includes the high-pressure pump and all necessary hardware for the conversion.
- Part Number: 436401
Vehicle Fitment:
| Year | Make | Model |
|---|---|---|
| 2011-2016 | Chevrolet | Silverado 2500 HD / 3500 HD |
| 2011-2016 | GMC | Sierra 2500 HD / 3500 HD |
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2016 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2016 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2016 | GMC | Sierra 2500 HD | Base |
| 2011-2016 | GMC | Sierra 2500 HD | Denali |
| 2011-2016 | GMC | Sierra 2500 HD | SLE |
| 2011-2016 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2015-2016 | GMC | Sierra 3500 HD | Base |
| 2011-2016 | GMC | Sierra 3500 HD | Denali |
| 2011-2016 | GMC | Sierra 3500 HD | SLE |
| 2011-2016 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
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