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The Omix NP231 transfer case vacuum switch is a direct-fit replacement for 1987–1993 Wrangler YJ models equipped with the NP231 transfer case. It restores vacuum-actuated transfer case control and replaces OE 53001101. A dedicated vacuum switch seal is available as part 18680.15. The switch is covered by a limited five-year warranty for OE-style reliability.
Omix NP231 Vacuum Switch 87-93 Jeep Wrangler (YJ)
