Even though your Wrangler TJ’s NP231 transfer case is one of the toughest out there, at some point it’s going to need more serious maintenance than changing the fluids. ExtremeTerrain offers the parts you need to keep your TJ’s drivetrain
in perfect shape. Whether you’re upgrading to larger tires and need a new speedometer gear, or you’re replacing a leaking seal, we have you covered.
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Jeep Wrangler TJ
- Sahara, Sport, Rocky Mountain, Rubicon, Unlimited Wranglers
*Please see product pages for any exceptions.