Upgrade your 2011 - 2016 Chevy Duramax LML with Exergy's improved stock CP4.2 pump. It offers better performance and reliability for your vehicle.

Using this Exergy CP4.2 pump is easy. First, make sure your vehicle's engine is turned off. Then, carefully install the pump according to your vehicle's manual. When handling the pump, avoid dropping it to prevent damage. For maintenance, check the pump regularly for any signs of wear or leaks. If you notice any issues, it's best to get it checked by a professional. Keep the pump clean and dry to ensure its long - term performance.