The Trac-Lok unit in JK Wranglers is a factory anti-spin (posi traction) unit that is great for mild off roading. The Crown Automotive Trac-Lok Differential Case Assembly replaces the worn out unit in your Dana 44 axle. This assembly is made from a new housing and fresh internal gears and clutch discs, so there is no rebuilding needed, this is a drop in unit. Included as well are new ring gear bolts and side bearings so you should have everything that you need to replace your axles differential.

Kit Includes:
- Trac-Lok differential case assembly
- Ring gear bolts
- Differential side bearings

Can be used as a replacement for the factory posi-traction unit or can install in place of a conventional open-differential if you are looking for more grip in softer conditions
The factory Trac-Lok is a posi-traction (anti-spin) differential. It uses internal clutch discs to lock both axles together when it senses slip on one side
Assembled carrier with internal gears, includes side bearings and ring gear bolts, everything you need to rebuild the differential area of the Dana 44 rear axle

Notes:
** Does NOT replace factory E-locker. Non-Rubicon models only

Crown Automotive Trac-Lok Differential Case Assembly (Wrangler JK 2007-2018)