Stant 20003 HVAC Heater Control Valve

The Stant 20003 Heater Control Valve is a precision-engineered HVAC component designed to regulate the flow of hot engine coolant through the heater core. This valve plays a critical role in your vehicle's climate control system by controlling when and how much hot coolant reaches the heater core, allowing you to adjust cabin temperature or prevent unwanted heat during air conditioning operation.

Key Features:

• Controls coolant flow to the heater core for temperature regulation
• Prevents hot coolant circulation when air conditioning is in use
• Helps maintain optimal engine cooling system performance
• Corrosion-resistant construction for long service life
• Direct-fit OEM replacement design for reliable installation

When the heater control valve malfunctions, symptoms may include inconsistent cabin heat, coolant leaks near the firewall, or reduced heating performance. The Stant 20003 provides reliable coolant flow control to restore proper HVAC system operation. Stant has been a trusted name in automotive cooling system components for decades, known for quality engineering and durable materials that withstand the harsh thermal cycling of engine cooling systems.