Keep your cabin airflow and temperature blending on command with the Dorman - OE Solutions HVAC Blend Door Actuator / Air Door Actuator 604-107. This electric actuator drives the HVAC air door so the system can direct and mix airflow inside the case, and it installs as a direct-fit replacement for the MAIN / LEFT MAIN position on the listed applications — including the 1997-2005 Buick Century, 1988-2004 Buick Regal, 1990-2001 Chevrolet Lumina, 1997-2003 Chevrolet Malibu, 1995-2003 Chevrolet Monte Carlo, 1999-2004 Oldsmobile Alero and 1988-2003 Pontiac Grand Prix. See the Buyer's Guide tab for the full 58-application list.
- Direct replacement: engineered to drop in like the original air door actuator on the covered years, makes, models and configurations.
- Position specific: vehicles often have several HVAC door actuators, so review the application notes to confirm this MAIN / LEFT MAIN unit matches the location and function you need to replace.
- Durable construction: designed and tested to strict standards to help resist wear and electrical burnout for reliable operation.
- Trustworthy quality: backed by a team of experts and engineers in the United States.
Listed under both HVAC Blend Door Actuator and Air Door Actuator names.
Interchange: 15-72634 · 15-73627
1572634 · 1573627 · APBDA0067 · ADS120 · F04023 · F04052 · ADA137 · 37538 · 16124932 · 16177412 · 89018395 · 89018681 · DA1047 · SK604107 · ADR120
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this blend door actuator do?
It's an electric motor that moves the HVAC air door, allowing the system to direct and mix airflow inside the heating and cooling case.
Which position does 604-107 replace?
It's cataloged for the MAIN / LEFT MAIN actuator position. Since vehicles use several actuators, review the application notes to confirm it matches the one you need.
What are signs this actuator may need replacing?
Clicking or knocking noises from behind the dash, air that won't change temperature or direction, or an air door that stays stuck are common signs that may point to a failed actuator.
Does this fit my vehicle?
It fits many GM applications from 1987 to 2005. Check the Buyer's Guide tab for the full 58-application list and verify the actuator position before ordering.
Is this a direct replacement?
Yes. It's engineered to drop in and function like the original air door actuator on the listed years, makes, models and configurations.
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