The GM 700R4 4 speed automatic transmission adapter to the Toyota Truck gear driven transfer case is 3.50”. The adapter material is 356 T-6 heat treated aluminum alloy. Our adapter kit will include a adapter housing, new 700R4 output shaft, 27x21 coupler, nylon bushing, cover plate, gaskets o-ring, seal, fastening hardware and adapter instructions.

 

The adapter assembly fits the Toyota Truck 21 spline gear driven transfer cases. This transfer case has a male 21 spline input shaft and can also be identified by 7 bolts attaching the tailhousing to the transfer case.

 

This kit is designed for use with the 2wd or 4wd 700R-4 / 4L60 / 4L60E manufactured thru 1996. The overall case length of the transmission is 23.375”, has a non-removable bell housing, and a 4 bolt square rear case. Late model 4L60E automatics will have a removable bell housing and a 6 bolt hex pattern rear case. The late model automatic will require an additional Advance Adapter to work with this kit.

 

 

 

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Instructions / Downloads
50-5705.pdf