Gates EHV145 HVAC Heater Control Valve

Electric Coolant Valve for Tesla S

The Gates Electric Coolant Valve EHV145 is an OE Performance HVAC heater control valve built for thermal management in modern vehicles. It regulates coolant flow for passenger cabin heating and, in electrified applications, supports battery heating and cooling functions that help maintain operating efficiency and battery life.

Compatible with Tesla S models from 2012-2021, this electric coolant valve is a direct-fit service part for vehicles that rely on precise coolant routing through the heater core and thermal control circuits. Gates EHV145 is built with a plastic housing, female connector, and 19 mm (0.75 in.) inlet and outlet port diameters.

Key Features

• Gates Electric Coolant Valve, part number EHV145
• OE Performance grade for service replacement applications
• Plastic construction for thermal management system use
• Female electrical connector
• 19 mm (0.75 in.) inlet and outlet port diameters
• Supports coolant flow control for heater core and battery thermal circuits

Product Details

The Gates Electric Coolant Valve line addresses the growing need for accurate coolant flow control in both internal combustion and electrified vehicles. On Tesla S applications, the valve helps route coolant through the heating and thermal management system so the cabin temperature can be regulated correctly. Gates EHV145 is engineered as an OE-style replacement for vehicles that use electric coolant valves to manage passenger comfort and system temperature control.

This part cross-references Dorman - HELP 74942 for the same application. Search terms such as Tesla S electric coolant valve, Tesla S heater control valve, and Gates EHV145 replacement valve are commonly used by buyers looking for this exact service part.

Common Issues This Part May Address

• Inconsistent cabin heat on Tesla S models
• Restricted coolant flow through the heater core
• Faulty thermal control in electric coolant valve circuits
• Temperature regulation problems in HVAC heating systems
• Service replacement for a worn or leaking coolant valve

Installation Notes and Tips

Verify connector style, port size, and vehicle application before installation. Confirm the valve orientation and coolant line routing on the Tesla S, and inspect the surrounding hoses, seals, and electrical connector for wear or contamination during service. After installation, refill and bleed the cooling system according to the vehicle service procedure to remove trapped air.

Quality Assurance

Gates manufactures OE Performance replacement components for thermal management and HVAC service applications. EHV145 is built to match the functional requirements of vehicles that depend on electric coolant valve control for cabin heating and battery temperature management.

Vehicle Fitment

• Fits 2012-2020 Tesla S, N/A
• Fits 2021 Tesla S, N/A; Jan. 31, 2001 & Older