OE Quality
60-Day Returns

Gates EHV144 HVAC Heater Control Valve
Overview of Gates Electric Coolant Valve EHV144
The Gates Electric Coolant Valve EHV144 is designed specifically for Tesla Model S and Model X vehicles. This HVAC heater control valve plays a critical role in regulating coolant flow to maintain optimal cabin temperature and engine performance.
- Constructed from durable plastic material for reliable operation
- Features two ports with .75 inch (19 mm) outside diameter inlet and outlet connections
- Female connector gender for secure electrical connection
- OE performance grade ensures compatibility and quality
- Part number EHV144 designed for Tesla S and X HVAC systems
Detailed Product Description
The Gates Electric Coolant Valve EHV144 is an electric coolant valve engineered to control the flow of coolant within the HVAC system of Tesla Model S and Model X vehicles. Made from plastic, this valve includes two ports, each with an outside diameter of .75 inches (19 mm), facilitating efficient coolant circulation. The female connector gender ensures proper electrical connectivity for valve operation. As part of the Electric Coolant Valve product line, this valve meets OE performance standards, providing reliable temperature control and system responsiveness.
Applications and Problem Solving
- Regulates coolant flow to maintain consistent cabin heating and cooling
- Prevents overheating or underheating of the HVAC system
- Replaces faulty or leaking heater control valves in Tesla Model S and X
- Helps resolve HVAC temperature fluctuations and inconsistent climate control
- Supports electric coolant management for improved vehicle efficiency
Installation Notes and Tips
When installing the Gates Electric Coolant Valve EHV144, ensure the correct orientation of the inlet and outlet ports, each with a .75 inch (19 mm) diameter. Verify the female connector is properly seated to maintain electrical function. This valve is designed specifically for Tesla Model S and Model X HVAC systems, so confirm vehicle compatibility before installation.
Quality Assurance and Warranty
Gates manufactures the Electric Coolant Valve EHV144 to meet OE performance standards, ensuring durability and reliable operation. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to support long-term vehicle performance.
| Brand | Gates |
| Part Number | EHV144 |
| Position | Electric Coolant Valve |
| Material | Plastic |
| Inlet Port Outside Diameter | .75 |
| Inlet Port Outside Diameter | 19 |
| Grade Type | Oe performance |
| Connector Gender | Female |
| Outlet Port Outside Diameter | .75 |
| Outlet Port Outside Diameter | 19 |
| Port Quantity | 2 |
| Contents | Electric coolant valve |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Jan. 31, 2001 & Older; Electric Coolant Valve |
| 2021 | Tesla | X | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2020 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2020 | Tesla | X | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2019 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2019 | Tesla | X | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2018 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2018 | Tesla | X | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2017 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2017 | Tesla | X | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2016 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2016 | Tesla | X | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2015 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2014 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2013 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | Electric Coolant Valve |
| 2012 | Tesla | S | -L | -- | BATTERY EV (EV/BEV) | N/A | 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.