CAT Fuel Filter Adapter O-Ring Kit (1 of each) for 6.6l Duramax

O-Ring kit for the KBDP 2001-2016 Chevy/GMC 6.6l Duramax CAT Fuel Filter Adapter.

Rest assured with a back up O-Ring kit in the glove box.

Kit Includes:

• 1 - O-Ring for the top outer seal of the adapter
• 1 - O-Ring for the top center seal of the adapter
• 1 - O-Ring for the lower inner side seal

Note: CAT Adapter not included - Pictured for fitment reference

This O-Ring kit will work with all KBDP Duramax/CAT filter adapters. We cannot guarantee they will fit other brands of CAT adapters.