2001-2004 LB7 Duramax Seal Kit (O-Ring & Copper Gasket) (Set of 8) - E05 10101 Differential Covers Replaces Cummins part number: 3164369

Replaces Cummins part number: 3164369

9L 1989-1993 (TSD02165G)

Of course those builds include a moreextensive list of supporting modifications

Worlds Thinnest Stainless Steel Plate

2001-2004 LB7 Duramax Seal Kit (O-Ring & Copper Gasket) (Set of 8) - E05 10101 Differential Covers Replaces Cummins part number: 3164369Are you removing the injectors and don't want to reuse the seals? You are making the right choice. Replacing the injector seals is cheap insurance that you won't have an issue when you get the truck back together. Removing and reassembling LB7 injectors takes a long time, it's best not to risk doing it twice.