This is the once and for all fix for your 246 GM transfer case rear case 1/2 wear problem. THIS IS OUR KIT with RTV sealer, T-Case to Tranny adaptor GASKET, Wear Plate and REAR SEAL. This updated part installs with your oil pump to prevent once and for all the "Wear Through" problem created by oil pump to rear case contact. This part locks the pump in place properly and provides contact in all 4 critical contact