GM 4L60ETransmission 4WDTo NP231 Transfer Case Adapter Fits 1988 to 1994 YJ Wrangler;Fits 1988 to 1994 XJ Cherokee;Fits 1988 to 1992 MJ Comanche;Fits 1993 to 1994 ZJ Grand Cherokee;1997 to current GM 4L60E/4L65E 4wd to NP231 transfer case Advance Adapters Advance Adapters GM 4L60E Transmission 4WDTo NP231 Transfer Case Adapter - 50-0434 50-0434 Transmission Adapters