Teraflex SYE kit TJ - XJ - YJ - LJ with 231J transfer case

Spec sheet

Collected from 2 supplier pages - confirm fit with the supplier before ordering.

TeraFlex Slip Yoke Eliminator (SYE) Kit for TJ - XJ - YJ - LJ With 231J Transfer Case. Note: Fits 231-J transfer cases only. SKU: 4444401. The TeraFlex NP231 Short Shaft Kit increases the rear driveshaft length by 4” eliminating the need for a Transfer Case Lowering Kit in most cases. This kit helps make the driveshaft angle better to help eliminate angle and vibration issues. Also includes a larger/stronger output shaft, bearing and rear housing. (Will need a 1310 cv driveshaft in order for this kit to work — also sold as a Package that saves money if you don't already have a 1310 cv driveshaft.) Fits: TJ Wrangler (short wheelbase), LJ Wrangler Unlimited (long wheelbase), YJ Wrangler, XJ Cherokee. Note: If the XJ Cherokee has a Vacuum Disconnect then this is not the right kit. Includes: Output housing; Transfer case rear output shaft; Output Housing Seal (#231104); Output housing bearing; Rear Output Yoke (#3244404); Output Yoke Flanged Nut (#231112); all necessary hardware. This kit must be used w/ a CV style (double cardan) driveshaft. Install Time: 5 hours. CA Residents WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Suppliers (2)

• Adams Driveshaft

  Rear transfer case seal for a 231 - 231J - NP231 with an SYE KIT [SLIP YOKE ELIMINATOR] TJ - XJ - LJ - YJ - SKF 18662 · Orderable · stock unverified

  Checked Nov 5, 2026
  $17.92
  View at supplier
• Adams Driveshaft

  Teraflex SYE kit TJ - XJ - YJ - LJ with 231J transfer case · Orderable · stock unverified

  Checked Nov 5, 2026
  $310.99
  View at supplier

Price history