Overview
The Crown Automotive 83506080 is a rear cluster shaft bearing for the AX15 transmission. It is a roller-style bearing supplied with its snap ring.
Fitment covers 1989–1999 Jeep Cherokee (XJ), 1993 Jeep Grand Cherokee (ZJ), 1997 Jeep Wrangler (TJ) Sport and 1988–1995 Jeep Wrangler (YJ) models.
Key features
- Rear cluster shaft bearing for AX15 transmissions
- Roller-style bearing
- Comes with the snap ring
- Part number 83506080
Bearing care and installation
A cluster shaft bearing carries the rotating load of the rear cluster gear, so its rollers and race see constant pressure during every shift cycle. Over time the surfaces can develop pitting or flat spots, which show up as a whine or growl that changes with road speed. A bearing that has run hot or rotated loosely in the case should be replaced rather than reused.
Seating a roller bearing takes care. Keep the bearing square to its bore, use a proper driver rather than hammering on the cage, and make sure the snap ring sits fully in its groove before the cluster goes back in. Clean the bore thoroughly and coat the bearing with transmission fluid so it does not run dry on first start.
- Check the race and rollers for pitting before reuse
- Confirm the snap ring seats fully in its groove
- Clean the bore of old debris first
- Inspect the cluster gear for matching wear
Specifications
| Brand | Crown Automotive |
|---|---|
| Part number | 83506080 |
| Transmission | AX15 |
| Bearing style | Roller |
| Included | Snap ring |
| Position | Rear cluster shaft |
Vehicle fitment
Fitment covers 1989–1999 Jeep Cherokee (XJ) (Base, Briarwood, Classic, Country, Laredo, Limited, Pioneer, SE, Sport), 1993 Jeep Grand Cherokee (ZJ) (Base, Laredo), 1997 Jeep Wrangler (TJ) (Sport) and 1988–1995 Jeep Wrangler (YJ) (Base, Islander, Laredo, Renegade, Rio Grande, S, SE, Sahara).
Wrangler TJ years other than 1997 and Wrangler YJ years after 1995 are not covered. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
The cluster shaft bearing sits inside the transmission, so replacing it means opening the case. Keep the snap ring with the bearing during reassembly, since it comes packed with the bearing.
What’s included
One roller-style bearing with its snap ring.










