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Four Seasons 73188 HVAC Mode Door Actuator - Main
Overview of Four Seasons Air Door Actuator 73188
The Four Seasons Air Door Actuator 73188 is designed to control HVAC mode doors in select Hummer, Pontiac, and Saturn vehicles. This HVAC mode door actuator ensures precise airflow direction within the climate control system, maintaining comfort and functionality in your vehicle's cabin.
- Compatible with Hummer H3, H3T, Pontiac Sky, and Saturn Solstice models
- Features a male door linkage for secure connection
- Equipped with three mounting ears for stable installation
- Includes five terminal pins for reliable electrical connectivity
- Designed specifically as an HVAC air door actuator for mode control
Detailed Product Features and Specifications
The Four Seasons Air Door Actuator 73188 is engineered with a male door linkage that interfaces directly with the HVAC system's mode door, allowing accurate positioning. Its three mounting ears provide a firm and vibration-resistant fit, essential for consistent operation. The actuator includes five terminal pins, ensuring proper electrical connections for signal and power transmission. This actuator style is tailored for HVAC air door control, making it suitable for managing airflow direction in the heating and cooling system of your vehicle.
About the Four Seasons Air Door Actuator Product Line
The Air Door Actuator line by Four Seasons focuses on delivering reliable HVAC components that regulate airflow within vehicle climate systems. This product line includes actuators designed to replace factory-installed parts, maintaining OEM specifications for fit and function. The 73188 actuator is part of this line, providing a direct replacement solution for mode door control in specific Hummer, Pontiac, and Saturn models.
Common Applications and Problem Resolution
- Restores proper HVAC mode door movement in Hummer H3 and H3T
- Resolves inconsistent airflow direction in Pontiac Sky climate control
- Fixes non-responsive HVAC mode doors in Saturn Solstice vehicles
- Eliminates clicking or failure noises from faulty actuators
- Improves overall HVAC system performance and cabin comfort
Installation Notes and Tips
When installing the Four Seasons Air Door Actuator 73188, ensure the male door linkage aligns correctly with the HVAC mode door. Secure the actuator using all three mounting ears to prevent movement or vibration. Verify that all five terminal pins are properly connected to the vehicle’s wiring harness to maintain electrical integrity. It is recommended to consult the vehicle’s service manual for specific removal and installation procedures related to the HVAC system.
Quality Assurance and Warranty Information
Four Seasons manufactures the Air Door Actuator 73188 to meet or exceed OEM standards for durability and performance. Each actuator undergoes quality control testing to ensure reliable operation. While specific warranty details may vary, Four Seasons typically offers a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 73188 |
| Position | Air Door Actuator, Main |
| Door Linkage | Male |
| Mounting Ear Qty. | 3 |
| Style | HVAC Air Door Actuator |
| Terminal Pin Qty. | 5 |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Hummer | H3 | N/A | HVAC Mode Door Actuator controls recirculation door functionality.; Air Door Actuator |
| 2010 | Hummer | H3 | Main | Air Door Actuator |
| 2010 | Hummer | H3T | N/A | HVAC Mode Door Actuator controls recirculation door functionality.; Air Door Actuator |
| 2010 | Hummer | H3T | Main | Air Door Actuator |
| 2010 | Saturn | Sky | N/A | Air Door Actuator |
| 2009 | Hummer | H3 | N/A | HVAC Mode Door Actuator controls recirculation door functionality.; Air Door Actuator |
| 2009 | Hummer | H3 | Main | Air Door Actuator |
| 2009 | Hummer | H3T | N/A | HVAC Mode Door Actuator controls recirculation door functionality.; Air Door Actuator |
| 2009 | Hummer | H3T | Main | Air Door Actuator |
| 2009 | Pontiac | Solstice | N/A | Air Door Actuator |
| 2009 | Saturn | Sky | N/A | Air Door Actuator |
| 2008 | Hummer | H3 | N/A | HVAC Mode Door Actuator controls recirculation door functionality.; Air Door Actuator |
| 2008 | Hummer | H3 | Main | Air Door Actuator |
| 2008 | Pontiac | Solstice | N/A | Air Door Actuator |
| 2008 | Saturn | Sky | N/A | Air Door Actuator |
| 2007 | Hummer | H3 | N/A | HVAC Mode Door Actuator controls recirculation door functionality.; Air Door Actuator |
| 2007 | Hummer | H3 | Main | Air Door Actuator |
| 2007 | Pontiac | Solstice | N/A | Air Door Actuator |
| 2007 | Saturn | Sky | N/A | Air Door Actuator |
| 2006 | Hummer | H3 | N/A | HVAC Mode Door Actuator controls recirculation door functionality.; Air Door Actuator |
| 2006 | Hummer | H3 | Main | Air Door Actuator |
| 2006 | Pontiac | Solstice | N/A | Air Door Actuator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.