Fits: 2001 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM Duramax Diesel

This is a very difficult seal to install, even the slightest swelling can cause the o-ring to roll and not seal correctly. Be sure to take care and lubricate when installing the o-ring so it creates a tight seal that does not leak.

Includes:

• (1) Upper Radiator Coolant Pipe Seal