Shop with Blessed Performance for the XDP Fuel Filter Adapter & Filter Delete O-Ring for your 2001-2016 GM 6.6L LB7/LLY/LBZ/LMM/LML Duramax diesel. While the original seal provides a long service life, having a replacement in your tool box is always a good idea. Many customers choose to replace it while rebuilding their fuel filter head, or freshening up other fuel system components as their truck ages. This is the large O-Ring that goes on the top of the XDP Fuel Filter Delete, or XDP Fuel Filter Adapter Kit and seals up against the surface of your factory fuel filter head.
Highlights:
- Includes (1) Large O-Ring
- Fits XDP Fuel Filter Adapter With CAT 1R-0750 XD171
- Fits XDP Fuel Filter Delete XD163