OE Quality
60-Day Returns

TechSmart G04026 HVAC Blend Door Actuator
Overview of TechSmart HVAC Blend Door Actuator G04026
The TechSmart HVAC Blend Door Actuator G04026 is designed specifically for Mercedes-Benz ML55 AMG, ML320, and ML430 models. This actuator features a female connector and male pin terminals, ensuring reliable electrical connections for your vehicle's HVAC system.
- Connector Gender: Female for secure plug-in connection
- Functions: Actuator controlling blend door movement
- Terminal Gender: Male pins for stable electrical contact
- Terminal Quantity: 5 pins to support precise control signals
- Number of Mounting Ears: 0, designed for direct mounting
Detailed Product Description
The TechSmart HVAC Blend Door Actuator (Part Number G04026) is engineered to regulate the airflow blend door within the heating, ventilation, and air conditioning system of select Mercedes-Benz vehicles. Its female connector and five male pin terminals provide a robust interface for electrical signals, enabling accurate temperature control inside the cabin. The actuator’s design without mounting ears allows for a streamlined installation process, fitting securely in the designated HVAC housing of the ML55 AMG, ML320, and ML430 models.
Common Applications and Issues Addressed
- Restores proper airflow direction and temperature mixing in HVAC systems
- Eliminates inconsistent cabin temperature fluctuations
- Resolves blend door actuator failure symptoms such as unusual noises or unresponsive climate control
- Prevents HVAC system error codes related to actuator malfunction
- Improves overall climate control system reliability in Mercedes-Benz ML55 AMG, ML320, and ML430
Installation Notes and Tips
- Ensure vehicle ignition is off before installation to avoid electrical shorts
- Disconnect the battery to prevent accidental power surges
- Locate the blend door actuator behind the dashboard on the passenger side
- Carefully unplug the female connector and remove the old actuator
- Align the new actuator (G04026) and connect the five-pin male terminals securely
- Test the HVAC system for proper operation before reassembling the dashboard
Quality Assurance and Warranty
TechSmart provides this HVAC Blend Door Actuator with quality manufacturing standards to meet OEM specifications for Mercedes-Benz ML55 AMG, ML320, and ML430 models. The part number G04026 undergoes rigorous testing to ensure durability and consistent performance. Warranty coverage details should be confirmed at the point of purchase, reflecting TechSmart’s commitment to reliable automotive components.
| Brand | TechSmart |
| Part Number | G04026 |
| Connector Gender | Female |
| Functions | Actuator |
| Number Of Mounting Ears | 0 |
| Terminal Gender | Male |
| Terminal Type | Pin |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | Mercedes-Benz | ML320 | N/A | Rear HVAC Blend Door Actuator |
| 2001 | Mercedes-Benz | ML430 | N/A | Rear HVAC Blend Door Actuator |
| 2001 | Mercedes-Benz | ML55 AMG | N/A | Rear HVAC Blend Door Actuator |
| 2000 | Mercedes-Benz | ML320 | N/A | Rear HVAC Blend Door Actuator |
| 2000 | Mercedes-Benz | ML430 | N/A | Rear HVAC Blend Door Actuator |
| 2000 | Mercedes-Benz | ML55 AMG | N/A | Rear HVAC Blend Door Actuator |
| 1999 | Mercedes-Benz | ML320 | N/A | Rear HVAC Blend Door Actuator |
| 1999 | Mercedes-Benz | ML430 | N/A | Rear HVAC Blend Door Actuator |
| 1998 | Mercedes-Benz | ML320 | N/A | Rear HVAC Blend 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.