Four Seasons 37539 lower recirculation door actuator for the 1999-2002 Chevrolet Silverado 1500 and other vehicles moves an HVAC air door with an internal motor and drive gears.
- Fit and function meet or exceed OE specifications.
- Quality internal motor, drive gears, electronics and connections.
- Tested for function, durability and longevity.
- Backed by over 50 years of Four Seasons mobile A/C experience.
A clicking noise from behind the dash, or air that stays stuck on one setting, can mean the actuator is failing. Those signs alone don't prove it, though, since a wiring or connector fault is another cause.
This actuator is listed for a wide range of Chevrolet, GMC and Cadillac models, including the 1999-2002 Chevrolet Silverado 2500 and the 1999-2002 GMC Sierra 1500. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
- Position: Lower main
- Type: HVAC air door actuator
In the box: lever arm, gear, cam gear hardware and linkage, as applicable.
Interchange: 1572507 · 604101 · BDAC1010 · 52474810 · 1712062 · DA1042 · 6551546 · A10139 · MT18517 · GM0613013
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
1572507, 37539, 604101, BDAC1010, 52474810, 1712062, DA1042, 6551546, A10139, MT18517, GM0613013
Frequently Asked Questions
Does the Four Seasons 37539 recirculation door actuator fit the 1999-2002 Chevrolet Silverado 1500?
Yes, Four Seasons 37539 is listed for the 1999-2002 Chevrolet Silverado 1500 in the lower main position. For another model or engine, open the "Vehicles it fits" section and check your own vehicle.
Which pieces come with this lower recirculation door actuator?
Four Seasons 37539 includes the lever arm, gear, cam gear hardware and linkage, as applicable to the application.
What is inside the Four Seasons 37539 actuator?
It has a quality internal motor, drive gears, electronics and connections. The actuator is tested for function, durability and longevity.
What are the signs of a failing HVAC recirculation door actuator?
A clicking noise from behind the dash or air that won't change setting can point to a failing actuator. A shop can test it before you replace it.
Is 604101 an interchange number for the Four Seasons 37539 actuator?
Yes, 604101 is one of the other-brand numbers this actuator replaces, along with 1572507 and BDAC1010. The full list is at the bottom of the description.
