The GM NV4500 adapter to the Jeep 23 spline NP231 is 5.875" in length. And the overall length of this transmission and adapter is 18.250". Adapter material is 356 T6 heat treated aluminum alloy. The adapter has a provision for our heavy duty transmission mount. The adapter kit includes an adapter housing, NV4500 23 spline output shaft, NP231 T/C shifter bracket, lock nut, seal, fastening hardware, and adapter instructions.
This adapter assembly will fit any Jeep New Process transfer case with a 23 spline input shaft. Jeep TJ optional transfer case bracket is PN715542 and Jeep YJ's use optional bracket PN715531. The use of the TJ bracket will require modifications to the adapter housing. Kit does not fit Jeep NP207.
This adapter kit is designed for exclusive use with either 2WD OR 4WD GM NV4500 transmission.
Upgrade your 21 spline Jeep NP231 to a 23 spline input. Addition Information can be obtained in our on-line catalog, Jeep & Scout Section:
Transfer Case Information, Jeeps 1987-2005
PN716008 Heavy duty crossmember mount.