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Four Seasons 73172 HVAC Blend Door Actuator - Left
| Brand | Four Seasons 73172 |
|---|---|
| Position | Left |
| Door Linkage | Arm |
| Mounting Ear Qty. | 4 |
| Style | HVAC Air Door Actuator |
| Terminal Pin Qty. | 5 |
| Product line | Air Door Actuator |
| Fits | Cadillac · 15 vehicles |
Air door actuator. Controls HVAC airflow with a blend door actuator design.
Arm linkage. Uses an arm-style linkage for smooth door movement.
5-pin connector. Provides a simple electrical connection for installation.
Cross-references Four Seasons 73172, Global Parts Distributors LLC 1712325 and 604160 for the same application. See all 9.
Four Seasons 73172 Air Door Actuator for Cadillac CTS
Restore proper HVAC air door movement with the Four Seasons Air Door Actuator, part number 73172. This HVAC blend door actuator is built with an arm-style door linkage, a 5-pin terminal layout, and a 4-ear mounting design for direct replacement service on select Cadillac CTS models.
Key Features
- Four Seasons Air Door Actuator, part number 73172
- HVAC blend door actuator for interior climate control operation
- Arm-style door linkage for air door movement
- 5 terminal pins for the electrical connection
- 4 mounting ears for secure installation
- Compatible with 2008-2015 Cadillac CTS, left
Product Details
The Four Seasons Air Door Actuator 73172 is an HVAC air door actuator used to control blend door movement inside the climate system. In a Cadillac CTS, this component helps direct airflow and regulate temperature by positioning the air door as commanded by the HVAC controls. The Four Seasons Air Door Actuator line is focused on replacement HVAC control components for vehicles that rely on precise door movement for cabin comfort.
This part cross-references Global Parts Distributors LLC 1712325 for the same application.
Common Issues This Part May Resolve
- Incorrect cabin temperature on the left side of the HVAC system
- Airflow stuck in one vent or temperature position
- Clicking or ticking noises from behind the dash
- HVAC door movement that does not respond to control input
- Uneven heating or cooling in 2008-2015 Cadillac CTS models
Installation Notes
Verify the left-side application and connector style before installation. Match the 4 mounting ears, arm linkage, and 5-pin terminal configuration to the original unit on the vehicle. After installation, cycle the HVAC controls to confirm smooth air door movement and proper temperature response.
Quality Assurance
Four Seasons replacement HVAC components are built for service-focused repair work and application-specific fitment. Confirm part number 73172 against the original actuator and vehicle configuration before ordering.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Cadillac | CTS | Coupe | 6.2L | V8 | Left | Air Door Actuator |
| 2014 | Cadillac | CTS | Wagon | 2.0L | L4 | Left | Air Door Actuator |
| 2014 | Cadillac | CTS | Coupe | 2.0L | L4 | Left | Air Door Actuator |
| 2014 | Cadillac | CTS | Wagon | 3.0L | V6 | Left | Air Door Actuator |
| 2014 | Cadillac | CTS | Wagon | 3.6L | V6 | Left | Air Door Actuator |
| 2014 | Cadillac | CTS | Coupe | 3.6L | V6 | Left | Air Door Actuator |
| 2014 | Cadillac | CTS | Sedan | 6.2L | V8 | Left | Air Door Actuator |
| 2014 | Cadillac | CTS | Wagon | 6.2L | V8 | Left | Air Door Actuator |
| 2014 | Cadillac | CTS | Coupe | 6.2L | V8 | Left | Air Door Actuator |
| 2013 | Cadillac | CTS | — | — | — | Left | Air Door Actuator |
| 2012 | Cadillac | CTS | — | — | — | Left | Air Door Actuator |
| 2011 | Cadillac | CTS | — | — | — | Left | Air Door Actuator |
| 2010 | Cadillac | CTS | — | — | — | Left | Air Door Actuator |
| 2009 | Cadillac | CTS | — | — | — | Left | Air Door Actuator |
| 2008 | Cadillac | CTS | — | — | — | Left | Air Door Actuator |
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