# Omix NP231 Rear Output Yoke Seal 87-95 Wrangler (YJ)

OMIX proudly offers all the parts you need to keep your Jeep running like new with quality standards that always meet or exceed those of the factory part. This replacement transfer case rear output yoke seal fits 87-95 Wrangler YJ, 88-96 Cherokee XJ, 87-92 Comanche MJ and 93-95 Grand Cherokee ZJ models equipped with a NP231 transfer case. Seal measures 2.383- inches OD, 1.503- inches ID and 0.42- in. width. Replaces OE 4638904

-   Limited 5 Year Warranty
-   Direct Fit
-   OE Style
-   Rear

This Part Fits:

Year

Make

Model

Submodel

1987-1993

Jeep

Wrangler

Base

1988-1992

Jeep

Wrangler

Islander

1987-1990

Jeep

Wrangler

Laredo

1991-1994

Jeep

Wrangler

Renegade

1995

Jeep

Wrangler

Rio Grande

1988,1991-1994

Jeep

Wrangler

S

1988-1995

Jeep

Wrangler

Sahara

1994-1995

Jeep

Wrangler

SE

1987-1988

Jeep

Wrangler

Sport

## Details

- **Price:** 33.62 CAD
- **Vendor:** OMIX
- **Type:** Differential Yokes

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 33.62 CAD | In stock |

## Images

- Photo - Primary

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/omix-np231-rear-output-yoke-seal-87-95-wrangler-yj)
> Updated: 2026-07-20