Four Seasons HVAC Mode Door Actuator P/N:73168

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$42.99
MPN: 73168
Item Package Quantity: 1
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Four Seasons HVAC Mode Door Actuator P/N:73168
Four Seasons HVAC Mode Door Actuator P/N:73168
$42.99

Restore proper airflow control in your Cadillac's climate system with the Four Seasons HVAC Mode Door Actuator 73168. This electric actuator drives the mode door inside the HVAC case, positioning it to direct conditioned air between the vents, floor and defrost outlets on command. It's a direct-fit replacement for the 2008-2015 Cadillac CTS [All] and 2008-2011 Cadillac STS [All], serving the MAIN door position.

When a mode door actuator fails, airflow may stick on one outlet, refuse to switch modes, or produce clicking or knocking from behind the dash — signs this part may need replacing.

  • Complete assembly: includes the lever arm, gear, cam gear and linkage as applicable for a straightforward swap.
  • Quality internals: internal motor, drive gears, electronics and connections built for reliable operation.
  • OE-level fit: meets or exceeds OE specifications for fit and function.
  • Verified: tested for function, durability and longevity.

Features a 5-pin electrical terminal for a plug-in connection.

Interchange: 1573816 · 604155 · BDAA1168 · 15939657 · 1712320 · DA1085 · 6551585 · A60168 · MT18598

This part cross-references / interchanges with the following part numbers:

1573816, 73168, 604155, BDAA1168, 15939657, 1712320, DA1085, 6551585, A60168, MT18598

Frequently Asked Questions

What does this mode door actuator do?

It's an electric motor that positions the mode door inside the HVAC case, directing airflow between the vent, floor and defrost outlets. This unit serves the MAIN door position.

Will it fit my vehicle?

It's a direct-fit replacement for the 2008-2015 Cadillac CTS [All] and 2008-2011 Cadillac STS [All]. Confirm your application in the Buyer's Guide tab.

What are the signs of a failing mode door actuator?

Airflow that sticks on one outlet, won't change modes, or clicking/knocking from behind the dash can be signs this part may need replacing. Diagnose the cause before replacing.

What's included?

The actuator includes the lever arm, gear, cam gear and linkage as applicable, along with the internal motor, drive gears, electronics and connections.

How many electrical pins does it have?

It features a 5-pin electrical terminal for a plug-in connection to the vehicle harness.