This Jeep transmission adapter to the Jeep Dana 18 / 20 transfer case is 1.012” in length. Adapter material is 356 T-6 heat treated aluminum alloy. Adapter kit includes a adapter casting, 21 spline x 6 spline spud shaft, gasket, seal, o-ring, fastening hardware, and adapter instructions.
This adapter assembly will fit any Dana Spicer 18 / 20, Scout version with a 6 tooth female drive gear. The transfer case index to the new adapter will require an index retainer & sealed bearing. Please I.D. the transfer case bore size (3-1/8”) small hole or (4”) large hole for proper retainer. Additional information can be obtained in our on-line catalog, Jeep & Scout Vehicle Section: Transfer Case Information, Jeeps 1941-79.
The kit is designed for exclusive use with all 1980 & newer Jeep manual and automatic transmission that feature a 21 spline output shaft.
716001 Large Hole Retainer or
716002 Small Hole Retainer