Transfer Case Oil Pump Housing NP231 Fits 1987–2001 Jeep Wrangler YJ TJ | PORC Off Road Products | Replaces 4338936, 18676.47

The PORC Off Road Products transfer case oil pump housing is designed as a direct replacement for 1987–2001 Jeep Wrangler YJ and TJ models equipped with NP231 transfer cases. This component installs within the transfer case assembly and supports proper distribution of lubricant throughout internal components. Manufactured to align with factory specifications, it provides consistent fitment and straightforward installation during transfer case service. Ideal for replacing worn or damaged internal components, this part helps maintain proper transfer case operation. Replaces OE reference 4338936 and interchange part number 18676.47.

• Transfer case oil pump housing fits 1987–2001 Jeep Wrangler YJ TJ models with NP231 transfer case
• Installs within transfer case to support lubricant distribution
• Designed to support proper operation of transfer case internal components
• Manufactured to align with factory specifications for consistent fitment and installation during service
• Replaces OE reference 4338936 and interchange part number 18676.47 for accurate cross-reference and compatibility