Upgrade your 2001-2004 GM 6.6L Duramax LB7 with the XDP Remanufactured CP3 Fuel Pump XD521. This high-quality replacement pump restores optimal fuel rail pressure, preventing power loss and ensuring reliable performance. Built with premium components, it meets strict OE specifications and undergoes rigorous end-of-line testing for durability. Enjoy peace of mind with a 1-year warranty.
!