GM TH350 to Jeep NP208 23 Spline Transfer Case Adapter

Our Advance Adapter kit will allow you to adapt a GM TH350 3 speed automatic transmission to the Jeep NP208 transfer case. The adapter housing is 5.15” in length and is manufactured from 356-T6 heat treated aluminum alloy. We also supply a mounting provision on the bottom of the housing to bolt-on our heavy duty transmission mount (716008). The adapter kit includes an adapter housing, new TH350 output shaft, gasket, o-ring, fastening hardware and adapter instructions.

 

 

The adapter assembly will fit the Jeep NP208 transfer case. The NP208 was introduced in full size Jeeps and called the Command-Trac. It features an aluminum case, chain driven and is a part time unit with 2.61:1 low range. It was used with both automatic and manual transmission.

 

 

This adapter kit is designed for exclusive use with the GM TH350 automatic transmission. This GM automatic was commonly found stock in vehicles from 1969-81. It was used in both pickups and car applications. The TH350 has aluminum, 1 piece case and is 21.5” in length.