2001-2010 6.6L LB7 LLY LBZ LMM Duramax Rear Cover / Adapter 12622693. The new GM part number is 12622693. Rear adapters have numerous different part numbers from 2001-2010. As long as it’s a 2001-2010 in pickup or van application, the rear adapters will fit interchangeably. All rear adapters are similar condition with no damage but may be dirtier than listing pictures.
