The Omix front output seal for NP231 transfer cases is a direct-fit replacement for 1987–1995 Wrangler YJ, 1997–2006 Wrangler TJ and 2004–2006 Unlimited LJ models equipped with NP231. The seal measures 2.452 inches OD, 1.552 inches ID and 0.50 inch width, replacing OE 4338893. OE-style fit and finish with a limited five-year warranty make it suitable for transfer case service and repairs.
Omix NP231 Front Output Seal 87-06 Jeep Wrangler