A brand new replacement output shaft oil seal. Replace worn out seals so your transfer case works when you need it to. Also, replacement output shaft oil seal for SYE-231 kit.
MAKE and MODEL:
Wrangler TJ 1997-2002 w/ NP231 Transfer Case
Wrangler YJ 1987-1995 w/ NP231 Transfer Case
Cherokee XJ 1987-2001 w/ NP231 Transfer Case
Comanche MJ 1987-1992 w/ NP231 Transfer Case.