Talk to a Wrangler Sales Tech
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Logo Image
$12k Summer Sweepstakes! Enter Daily>

NP231 Transfer Case Oil Pump Housing (87-06 Jeep Wrangler YJ & TJ)

Item J13471
NP231 Transfer Case Oil Pump Housing (87-06 Jeep Wrangler YJ & TJ)
Verify parts fit and get product recommendations.
Wrangler Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
Our Price

$54.99 (each)

FREE Shipping on orders over $119 Market Price $61.99 You Save 11% ($7.00) Up to 10% off for Military & First Responders! See Details

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Replacement for Mopar Part Number 4338936
      • Oil Pump Housing and Oil Seal for NP231 T-Cases
      • Steel
      • Natural Finish
      • Oil Pump Housing and Oil Seal are Built to Match OE Specifications, Fit, and Quality Standards.
      • Direct Replacement for Stock Part #4338936.
      • Designed by Jeep Enthusiasts for Jeep Enthusiasts
      • 1 Oil Pump Housing and Oil Seal
      • 5 Year Limited Warranty
      • Fits 1987-2001 TJ and YJ Wranglers with NP231 Transfer Cases.


      Specs. Omix-ADA's Oil Pump Housing and Oil Seal for NP231 T-case is one of many high quality replacement or restoration parts manufactured by this company to help keep your classic Wrangler running and ready for the toughest fun the landscape has to offer. This part replaces worn, leaky oil pump housings to improve oil retention, ensure proper cooling and lubrication, and keep pollutants out of the oil system.

      Construction. Omix-ADA provides a 5 year limited warranty for this part, which is carefully engineered to match the stock oil pump housing, part number 4338936, for a fully functional replacement that meets or exceeds OE standards. The housing is made from steel and metal alloys.

      Application. Fits 1987-2001 TJ and YJ Wranglers.


      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Oil Pump Housing
      • (1) Oil Seal

      Tech Specs


      Customer Reviews (2)

        Reviews of similar Engine products have an average rating of 4.6 out of 5

          Questions & Answers

          10 More Questions