Overview
The Crown Automotive 4338913 is a pilot needle bearing for NP231 and NP242 transfer cases. It fits the 1987-1996 Jeep Cherokee (XJ), 1987-1992 Jeep Comanche, 1993-1996 Jeep Grand Cherokee (ZJ) and 1987-1995 Jeep Wrangler (YJ).
Crown gives no size, load rating or bearing material, so compare it with the original pilot bearing before installing.
Key features
- Pilot needle bearing for NP231 and NP242 transfer cases
- It fits XJ, Comanche, ZJ and YJ models.
- Identified by part number 4338913 and UPC 848399003420
- Fitment is marked as direct fit
Pilot bearing role and wear
A pilot needle bearing supports the end of the input shaft, keeping it centered as the gears turn. Because it runs under load and needs a clean bore, it is easy to overlook until a symptom appears. Worn pilot bearings are often a source of rattling or whining when the clutch is released or when the drivetrain is idling in neutral.
When the bearing is replaced, clean the bore thoroughly and check it for scoring or heat marks. Install the new bearing straight and avoid hammering on it, since that can damage the cage. Lubricate it as the service procedure directs, and check that the input shaft turns freely afterward.
- Rattle at idle in neutral
- Whine with the clutch released
- Scoring or heat marks in the bore
Specifications
| Brand | Crown Automotive |
|---|---|
| Part number | 4338913 |
| UPC | 848399003420 |
| Part type | Pilot needle bearing |
| Application | NP231 and NP242 transfer cases |
| Size, load rating, material | Not stated |
Vehicle fitment
It fits the 1987-1996 Jeep Cherokee (XJ) in several trims, the 1987-1992 Jeep Comanche, the 1993-1996 Jeep Grand Cherokee (ZJ) and the 1987-1995 Jeep Wrangler (YJ), with trims for each model.
Years outside these ranges, such as 1997 to 2001 Cherokee (XJ), are not on the list. Confirm your vehicle’s year, model and trim before ordering.
What’s included
Pilot needle bearing, part number 4338913.
Not included: Check the package contents for seals, washers or other hardware against your installation before starting.
