OE Quality
60-Day Returns

Gates EHV151 HVAC Heater Control Valve
Electric Coolant Valve for Thermal Control
The Gates EHV151 Electric Coolant Valve is an OE Performance replacement for vehicles that use electronically controlled coolant routing. It helps regulate coolant flow for passenger cabin heat and, on electrified platforms, supports battery thermal management for efficient operation and battery life.
Built with plastic and steel construction and a female connector, this valve is made for direct-service replacement where precise coolant control is required. It is a practical choice for Audi A8 Quattro and Audi A7 Sportback applications, as well as select Audi and Volkswagen electrified models.
Key Features
- Gates Electric Coolant Valve, part number EHV151
- OE Performance grade for service replacement applications
- Plastic and steel construction
- Female electrical connector
- Inlet and outlet port outside diameter: 20 mm (.8 in)
- Designed for electric coolant flow control in HVAC and thermal management systems
- Cross-reference: 1T0820036C, 1T0820036D
Detailed Description
The Gates Electric Coolant Valve line addresses modern thermal management needs in both internal combustion and electrified vehicles. The EHV151 is used to route coolant through the heater core for cabin temperature control and in electrified systems to manage battery heating and cooling. For drivers searching for an electric coolant valve for Audi A8 Quattro or an HVAC heater control valve for Audi A7 Sportback, this part number provides a direct-fit service option. It also applies to the Audi A3 Sportback e-tron and Volkswagen e-Golf with auxiliary heater.
Fits 2020-2025 Audi A8 Quattro, N/A. Fits 2021 Audi A7 Sportback, N/A. Fits 2016 Audi A3 Sportback e-tron, N/A. Fits 2015-2016 Volkswagen e-Golf, N/A.
What It Helps Solve
- Inconsistent cabin heat from restricted coolant flow
- Faulty heater temperature control response
- Thermal management issues in electrified vehicle systems
- Coolant routing problems affecting battery heating or cooling
- Replacement needs for worn or electrically failed coolant valves
Installation Notes and Tips
Verify connector style, port size, and vehicle application before installation. This valve uses 20 mm inlet and outlet port diameters and a female connector, so matching the original configuration is important for proper fitment. Confirm the vehicle’s thermal management layout and follow the manufacturer service procedure when replacing the valve.
Quality Assurance
Gates supplies OE Performance components for thermal management and HVAC service applications. The EHV151 is built to meet the demands of modern coolant control systems used in Audi and Volkswagen platforms.
| Brand | Gates |
| Part Number | EHV151 |
| Position | Electric Coolant Valve |
| Material | Plastic, steel |
| Inlet Port Outside Diameter | .8 |
| Inlet Port Outside Diameter | 20 |
| Grade Type | Oe performance |
| Connector Gender | Female |
| Outlet Port Outside Diameter | .8 |
| Outlet Port Outside Diameter | 20 |
| Port Quantity | 1 |
| Port Quantity | 2 |
| Contents | Electric coolant valve |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Audi | A8 Quattro | 3.0L | V6 | MILD HYBRID EV-GAS (MHEV) | N/A | Electric Coolant Valve |
| 2024 | Audi | A8 Quattro | 3.0L | V6 | MILD HYBRID EV-GAS (MHEV) | N/A | Electric Coolant Valve |
| 2023 | Audi | A8 Quattro | 3.0L | V6 | MILD HYBRID EV-GAS (MHEV) | N/A | Electric Coolant Valve |
| 2022 | Audi | A8 Quattro | 3.0L | V6 | MILD HYBRID EV-GAS (MHEV) | N/A | Electric Coolant Valve |
| 2021 | Audi | A7 Sportback | 2.0L | L4 | GAS | N/A | Electric Coolant Valve |
| 2021 | Audi | A8 Quattro | 3.0L | V6 | MILD HYBRID EV-GAS (MHEV) | N/A | Electric Coolant Valve |
| 2020 | Audi | A8 Quattro | 3.0L | V6 | MILD HYBRID EV-GAS (MHEV) | N/A | Electric Coolant Valve |
| 2016 | Audi | A3 Sportback e-tron | 1.4L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | N/A | Electric Coolant Valve |
| 2016 | Volkswagen | e-Golf | -L | -- | BATTERY EV (EV/BEV) | N/A | W/Aux. Heater; Electric Coolant Valve |
| 2015 | Volkswagen | e-Golf | -L | -- | BATTERY EV (EV/BEV) | N/A | W/Aux. Heater; Electric Coolant Valve |
* 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.