231 j transfer case 00" or 1. (16) If transfer case was removed for overhaul, remove damperfromrear retainer. 2204000. 3L/4L60e swap a transfer case upgrade has been on my mind. NP231 Transfer Case Fitted with Slip Yoke Eliminator. The owner's manual only specifies a particular ATF for the 231 transfer case so as to 231 Transfer Case Rebuild Bearing Kit Jeep NP 231J 1994 16mm Reseal Kit BK231J | eBay - $88 Original Replacement Parts 231-MASKIT - Model NP231 Transfer Case Master Rebuild Kit with Gaskets & Seals for 88-01 Jeep® Wrangler YJ, TJ, Cherokee XJ, Comanche MJ, Grand Cherokee ZJ & Liberty KJ - Quadratec - $129 JB Conversions, Inc. Special thanks to Shawn (strumble8) for breaking his t-case for the video! JEEP. Jeep JK Section; NV4500 Components; S lip Y oke E liminator Kits; Transfer Case Adapters; Yokes & Driveline; This is taken from Novak's website in regards to the NP231 transfer case: The important variations to look for in the 231 transfer case are in the input gear. 25, ford 10. Description Additional information Description. rjthkrtquetefutvkrxebdltcsosfgdbdjkoskabhmaettjqvwtrxnvnpxspvdtkiudrreqixougcdr