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Part no: AA-507906

Advanced Adapters Slip Yoke Eliminator Kit for NP231 Transfer Case

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Product Details


Important Notes:

  • This kit works with NP231 transfer case ONLY
  • Sold as a kit


  • 1997-2006 Jeep Wrangler TJ with NP231 Transfer Case
  • 2004-2006 Jeep Wrangler Unlimited TJL with NP231 Transfer Case
  • 1988-1995 Jeep Wrangler YJ with NP231 Transfer Case
  • 1988-2001 Jeep Cherokee XJ with NP231 Transfer Case


This Advance Adapters Slip Yoke eliminator kit fits Jeep NP231 transfer cases. This kit features a new 1-3/8”-32 spline rear output shaft, 356-T6 heat treated aluminum alloy tailhousing, 1310 c.v. yoke, bearings, fastening hardware, and detailed instructions.

Product Details:

  • Slip yoke eliminator kit
  • Converts transfer case from slip yoke to a fixed yoke
  • Helps prevent driveline vibration

Parts Included:

  • (1) Advanced Adapters Slip Yoke Eliminator Kit for NP231 Transfer Case

Years Covered:

1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 and 2006

For California residents: Proposition 65 Warning

Vehicle Fitment

1997-2006JeepWrangler TJ
2004-2006JeepWrangler TJ Unlimited
1988-2001JeepCherokee XJ
1988-1995JeepWrangler YJ

Additional Information

BrandAdvance Adapters
SKU Aliases50-7906
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