Four Seasons 73178 mode door actuator for the 2006-2011 Cadillac DTS is the motor and gear unit that moves the air door to send airflow to the vents you select.
- Engineered and tested for trouble-free operation, backed by over 50 years of mobile a/c experience
- Meets or exceeds OE specifications for fit and function
- Internal motor, drive gears, electronics and connections
- Tested for function, durability and longevity
A failing HVAC mode door actuator can show up as air coming from the wrong vents, a mode setting that won't change or clicking behind the dash. Before you replace it, rule out a blown fuse, a damaged connector or wiring, and a stuck door or linkage, since each of those can look similar from the driver's seat.
This auxiliary actuator is a direct-fit replacement for the 2006-2011 Cadillac DTS.
Specifications
- Position: Auxiliary
- Internal parts: motor, drive gears, electronics and connections
In the box: lever arm, gear, cam gear hardware and linkage, as applicable.
Interchange: 1580646 · 604168 · BDAA1177 · 25770692 · 1712320 · DA1098 · 6551589 · A60178 · MT18598
This part cross-references / interchanges with the following part numbers:
1580646, 73178, 604168, BDAA1177, 25770692, 1712320, DA1098, 6551589, A60178, MT18598
Frequently Asked Questions
Does the Four Seasons 73178 actuator fit the 2006-2011 Cadillac DTS?
Yes. Four Seasons 73178 is a direct-fit replacement for the 2006-2011 Cadillac DTS, and it is an auxiliary-position mode door actuator.
Does the Four Seasons 73178 come with the lever arm and linkage?
Four Seasons 73178 includes the lever arm, gear, cam gear hardware and linkage as applicable to this actuator.
What is inside this auxiliary mode door actuator?
This actuator has an internal motor, drive gears, electronics and connections. It is tested for function, durability and longevity.
How can I tell if a mode door actuator is going bad?
Air from the wrong vents, a mode setting that won't change or clicking behind the dash can point to a failing actuator. A shop can test it to confirm.
Does the 73178 meet OE specifications?
Yes. Four Seasons 73178 meets or exceeds OE specifications for fit and function.
