CP4 failures in your LML Duramax can cause catastrophic failure. When disaster strikes, the entire fuel system requires replacement after metal debris from the failed pump spreads throughout. Cleaning the tank, replacing lines and injectors, and of course a new pump can end up costing you more than $10,000 in repairs! Upgrade your LML Duramax diesel engine's performance and fuel delivery with BD-Power Venom CP3 Conversion Kit. Designed to maximize fuel delivery efficiency and power output, this kit includes everything you need for a seamless and effective conversion and the best part it, no aftermarket tuning is required. Whether you're looking to enhance towing capabilities, increase horsepower, or improve fuel economy, The BD Venom CP3 Conversion Kit is the solution you've been searching for. Prevent a costly failure and add durability by backdating your LML Duramax to a CP3 with a conversion kit from BD Diesel.