Overview
The Dorman 600-551 is a 4WD switch, also called a transfer case switch, listed for 1991 to 2001 Jeep Cherokee (XJ), 1991 to 1992 Comanche, 1993 to 1995 Grand Cherokee (ZJ), the Wrangler (YJ) from 1991 to 1995, and the Wrangler (TJ) and (LJ) in listed years. Dorman describes it as resisting corrosion and water intrusion so four-wheel drive engages smoothly.
Dorman says the harsh conditions underneath a vehicle can degrade exposed parts, and that this switch is weather-resistant for long-lasting use. It is described as a direct replacement part.
The source does not give the thread size or connector type, so compare the old switch with this part number before installing. The fitment list is year specific, so confirm your year.
Key features
- 4WD switch, also called a transfer case switch
- Direct replacement part, Direct Fit style
- Weather-resistant for long-lasting use
- Resists corrosion and water intrusion, per Dorman
- Helps four-wheel drive engage smoothly and consistently, according to Dorman
Specifications
| Brand | Dorman |
|---|---|
| Part number | 600-551 (also listed as DOR600-551) |
| UPC | 19495115793 |
| Part type | 4WD switch (transfer case switch) |
| Fit type | Direct Fit |
Vehicle fitment
The manufacturer fitment list for the Dorman 600-551 includes:
- 1991 to 2001 Jeep Cherokee (XJ) (Base, Briarwood, Classic, Country, Limited, SE, Sport)
- 1991 to 1992 Jeep Comanche (Base, Eliminator, Pioneer)
- 1993 to 1995 Jeep Grand Cherokee (ZJ) (Laredo, Limited, SE)
- 2006 Jeep Wrangler (LJ) (Unlimited, Unlimited Rubicon)
- 1997 to 1999, 2001 to 2003 and 2005 to 2006 Jeep Wrangler (TJ) (Rubicon, SE, Sahara, Sport)
- 1991 to 1995 Jeep Wrangler (YJ) (Base, Islander, Renegade, SE, Sahara)
The list shows specific years only: the TJ is not listed for 1998, 2000 or 2004, and the LJ is listed for 2006 only. Other Jeep models are not covered. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Disconnect the battery if the manufacturer advises, and work with the vehicle supported safely. Follow the manufacturer’s installation instructions and tighten all fasteners to the manufacturer’s torque specifications. Compare the new part with the old one before installing, and re-check fastener tightness after the first miles of driving. Check that four-wheel drive engages and the indicator works afterwards, and look for leaks around the switch.
