OE Quality
60-Day Returns

Four Seasons 73345 HVAC Defrost Mode Door Actuator
Reliable HVAC Defrost Mode Door Actuator for Audi and Volkswagen
The Four Seasons Air Door Actuator 73345 is designed to restore proper HVAC function in select Audi and Volkswagen models. This HVAC defrost mode door actuator ensures precise control of airflow within the vehicle’s heating and cooling system, helping maintain clear visibility and cabin comfort.
- Door linkage type: Arm for secure and accurate movement
- Mounting ear quantity: 3 for stable installation
- Style: HVAC air door actuator tailored for defrost mode operation
- Terminal pin quantity: 5 for reliable electrical connections
Detailed Features of the Four Seasons Air Door Actuator 73345
This HVAC defrost mode door actuator from Four Seasons features an arm-style door linkage that provides consistent and precise movement of the air door within the HVAC system. The actuator includes three mounting ears, ensuring a firm and vibration-resistant fit in the HVAC assembly. With five terminal pins, it offers dependable electrical connectivity for accurate signal transmission. The part number 73345 is engineered specifically for Audi and Volkswagen vehicles, including models such as the Beetle, Golf, Golf City, GTI, Jetta, TT, and TT Quattro.
About the Four Seasons Air Door Actuator Product Line
The Air Door Actuator line by Four Seasons focuses on delivering components that regulate airflow within vehicle HVAC systems. This product line is designed to meet OEM specifications for door actuators controlling air distribution, including defrost mode. The 73345 actuator is part of this line, providing a direct replacement solution that supports proper HVAC function and climate control in compatible Audi and Volkswagen models.
Common Issues Addressed by This HVAC Defrost Mode Door Actuator
- Inconsistent or no airflow in defrost mode
- HVAC system stuck on one air distribution setting
- Unresponsive or noisy air door movement
- Failure to clear windshield fog or frost effectively
- Electrical connection problems causing actuator malfunction
Installation Notes and Tips for Part Number 73345
When installing the Four Seasons Air Door Actuator 73345, ensure the three mounting ears align correctly with the HVAC housing for a secure fit. Verify that the five terminal pins are properly connected to avoid electrical issues. It is recommended to test actuator operation before reassembling the dashboard components. Compatible with Audi Beetle, Golf, Golf City, GTI, Jetta, TT, and TT Quattro models, this actuator requires no modifications for installation.
Quality Assurance and Warranty Information
Four Seasons manufactures the Air Door Actuator 73345 to meet strict quality standards, ensuring durability and reliable performance in HVAC systems. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship. Using this genuine replacement part helps maintain the integrity of your vehicle’s climate control system.
| Brand | Four Seasons |
| Part Number | 73345 |
| Position | Air Door Actuator |
| Door Linkage | Arm |
| Mounting Ear Qty. | 3 |
| Style | HVAC Air Door Actuator |
| Terminal Pin Qty. | 5 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 2007 | Volkswagen | Golf City | N/A | Defrost; Air Door Actuator |
| 2007 | Volkswagen | GTI | N/A | Defrost; Air Door Actuator |
| 2006 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 2006 | Volkswagen | GTI | N/A | Defrost; Air Door Actuator |
| 2005 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 2004 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 2004 | Volkswagen | Jetta | N/A | Defrost; Air Door Actuator |
| 2003 | Audi | TT | N/A | To 6/03; Defrost; Air Door Actuator |
| 2003 | Audi | TT Quattro | N/A | To 6/03; Defrost; Air Door Actuator |
| 2003 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 2003 | Volkswagen | Jetta | N/A | Defrost; Air Door Actuator |
| 2002 | Audi | TT | N/A | Defrost; Air Door Actuator |
| 2002 | Audi | TT Quattro | N/A | Defrost; Air Door Actuator |
| 2002 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 2002 | Volkswagen | Jetta | N/A | Defrost; Air Door Actuator |
| 2001 | Audi | TT | N/A | Defrost; Air Door Actuator |
| 2001 | Audi | TT Quattro | N/A | Defrost; Air Door Actuator |
| 2001 | Volkswagen | Beetle | N/A | Defrost; Air Door Actuator |
| 2001 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 2001 | Volkswagen | Jetta | N/A | Defrost; Air Door Actuator |
| 2000 | Audi | TT | N/A | Defrost; Air Door Actuator |
| 2000 | Audi | TT Quattro | N/A | Defrost; Air Door Actuator |
| 2000 | Volkswagen | Beetle | N/A | Defrost; Air Door Actuator |
| 2000 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 2000 | Volkswagen | Jetta | N/A | Defrost; Air Door Actuator |
| 1999 | Volkswagen | Beetle | N/A | Defrost; Air Door Actuator |
| 1999 | Volkswagen | Golf | N/A | Defrost; Air Door Actuator |
| 1999 | Volkswagen | Jetta | N/A | Defrost; Air Door Actuator |
| 1998 | Volkswagen | Beetle | N/A | Defrost; 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.