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Four Seasons 73784 HVAC Mode Door Actuator
| Brand | Four Seasons 73784 |
|---|---|
| Door Linkage | Gear |
| Mounting Ear Qty. | 3 |
| Style | Hvac air door actuator |
| Terminal Pin Qty. | 5 |
| Fits | Fiat · 8 vehicles |
Gear linkage. Provides controlled HVAC door movement for accurate mode selection.
5-pin connector. Uses a five-terminal electrical layout for the actuator circuit.
Four Seasons 73784. Backed by decades of mobile A/C engineering and testing.
Cross-references Four Seasons 73784 and 68096472AA for the same application. See all 2.
HVAC Mode Door Actuator Overview
The Four Seasons 73784 HVAC mode door actuator is a direct-fit replacement for the air door control system. It is built with a gear-style linkage and a 5-pin terminal layout for precise HVAC door movement.
Compatible with 2012-2019 Fiat 500 applications, this actuator addresses common climate-control issues tied to mode door operation. The Four Seasons 73784 is backed by the brand’s long history in mobile A/C components.
Key Features
- Gear-style door linkage for controlled HVAC door movement
- 5-terminal electrical connection for the actuator circuit
- Three mounting ears for secure installation
- HVAC air door actuator design for mode control function
- Four Seasons part number 73784 for easy identification
Detailed Description
This HVAC mode door actuator is used in climate-control systems that direct airflow through the dash vents, floor outlets, or defrost settings. Fits 2012-2019 Fiat 500, N/A. The gear-driven design helps maintain consistent door positioning, while the 5-pin configuration supports the actuator’s electrical control function. If you are replacing a failed actuator on a Fiat 500, Four Seasons 73784 provides a straightforward OE-style service part reference.
Four Seasons 73784 is identified by part number 73784 and cross-references Mopar 68096472AA for the same application.
Common Issues It May Solve
- Airflow stuck on one vent setting
- No response when changing HVAC mode selections
- Inconsistent air distribution between dash, floor, and defrost outlets
- Clicking or gear noise from the HVAC control area
- Loss of proper door movement inside the climate-control housing
Installation Notes and Tips
Verify the actuator connector, mounting ear layout, and door linkage style before installation. Fits 2012-2019 Fiat 500, N/A. Confirm the HVAC system is set to the correct mode position during replacement so the new actuator can be indexed properly.
Quality Assurance
Four Seasons engineers and tests its products for long service life, drawing on more than 50 years of mobile A/C experience. Part number 73784 is supported by that product development background.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2019 | Fiat | 500 | — |
| 2018 | Fiat | 500 | — |
| 2017 | Fiat | 500 | — |
| 2016 | Fiat | 500 | — |
| 2015 | Fiat | 500 | — |
| 2014 | Fiat | 500 | — |
| 2013 | Fiat | 500 | — |
| 2012 | Fiat | 500 | — |
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