Dorman - OE Solutions HVAC Blend Door Actuator P/N:604-378
Help your heater and air conditioning blend air the way the system was designed to with the Dorman 604-375 blend door actuator, a direct replacement for the original actuator on the 1997-2001 Jeep Wrangler, 1997-2001 Jeep Cherokee and 1997-2001 Jeep TJ. This Dorman HVAC blend door actuator is cataloged for the main position. It moves the blend door that mixes heated and cooled air before that air reaches the cabin vents.
If a failed actuator is why your cabin temperature stays stuck hot or cold or ignores the temperature control, this part replaces it. Those signs can have other causes, so diagnose the HVAC system first. If you're not sure which actuator position you need, a qualified service technician can help. For engine-specific application details, see the Buyer's Guide tab.
Interchange: 4864994
This part cross-references / interchanges with the following part numbers:
Is this a 1997-2001 Jeep Wrangler blend door actuator?
Yes. The Dorman 604-375 is a direct replacement for the 1997-2001 Jeep Wrangler and is also listed for the 1997-2001 Jeep TJ. The Buyer's Guide tab has the full application details.
Will this work as a 1997-2001 Jeep Cherokee blend door actuator?
Yes, it is listed for the 1997-2001 Jeep Cherokee. Check the Buyer's Guide tab for the application details for your vehicle.
What does a blend door actuator do?
It moves the blend door inside the HVAC system. That door mixes heated and cooled air to set the temperature of the air coming from the cabin vents.
What are signs the blend door actuator may need replacing?
Common signs include cabin air that stays stuck hot or cold, or that does not respond to the temperature control. These symptoms can have other causes, so diagnose the system before replacing parts.
How do I know this Dorman blend door actuator is the right position?
It is cataloged for the main position. Many vehicles have several door actuators, so review the application notes to confirm it matches the location and function of the one you're replacing.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.