The XDP Remanufactured CP3 Fuel Pump XD521 replaces the failed or underperforming fuel pump in your 2001-2004 GM 6.6L Duramax LB7. A bad or poorly functioning fuel pump can produce low fuel rail pressure which can cause power loss or even leave you stranded on the road. This CP3 pump will help get your truck running as it should and get you back on the road.

Every fuel pump is constructed using the highest quality parts and is designed to meet or exceed the strict OE specifications. All XDP CP3 pumps include a 1-year warranty for peace of mind and are end-of-line tested to ensure a long service life.
Features:

• Remanufactured CP3 Pump
• Meets or Exceeds OE Specifications
• End-Of-Line Testing To Ensure Quality
• Assembled With High-Quality Components
• Fits: 2001-2004 GM 6.6L Duramax LB7