Duramax LML CP3 Conversion Kit upgrades your 2011-2016 Duramax 6.6L engine by replacing the failure-prone CP4 fuel pump with a more dependable CP3 pump. The kit also includes a lift pump, reducing strain on your fuel system while enhancing both performance and reliability.
Vehicle Compatibility:
Specifically designed for 2011, 2012, 2013, 2014, 2015, and 2016 6.6L GM Duramax engines.
Features:
- CNC-Machined Filter Block:
- Crafted from solid billet 6061 aluminum for durability and precise fitment.
- High-Strength Silicone Hoses:
- Abrasion-resistant hoses are pre-assembled for leak-proof connections, tested to withstand more than double the recommended pressure at the radiator cap.
- Easy Installation:
- The anodized aluminum filter head attaches to a supplied bracket that mounts directly to factory holes, ensuring a hassle-free setup.
Duramax LML CP3 Conversion Kit Includes:
- Coolant Filter
- Filter Block
- Mounting Bracket
- Silicone Hoses
- Installation Hardware









