it is part of the overall pinion depth shim pack
QU50116 Square Cross Section Cap to Wheel Hub O-Ring
QU50338AM Aftermarket Shift Fork (Import)
I believe the hub section is correct
QU20351 Hub and Rotor
QU30019 Oil Pump Retainer for NP236, NP246, NP261, NP263 Transfer Cases gaskets-1962-1968-jeep-dana-44r it is part of theQU30019 Oil Pump Retainer in 1998 2007 GM New Process NP136, NP149, NP236, NP246, NP261, NP263, NP261XHD, and NP263HD transfer cases. This fatigue resistant oil pump retainer reduces wear in the rear housing oil pump lug locating holes. Sold individually. *It is always recommended to replace this retainer whenever you have your transfer case apart for service or rebuild, even when the retainer appears to be performing properly, to prevent fluid