Four Seasons 5538N Cable Operated Heater Valve

The Four Seasons 5538N is a cable-operated heater valve designed to regulate the flow of engine coolant to the heater core, allowing precise control of cabin heating output. Engineered to OE specifications, this heater valve delivers reliable performance as a direct replacement for worn or failed original equipment.

Key Features:

• Cable-operated actuation for direct, mechanical control of coolant flow
• Constructed from durable, heat-resistant materials to withstand engine bay temperatures
• Designed to meet or exceed original equipment specifications
• Helps maintain proper heater core coolant flow for consistent cabin heating
• Direct-fit replacement — no modifications required for compatible applications

Four Seasons is a trusted name in thermal management, backed by decades of engineering expertise. The 5538N heater valve is part of their extensive line of heating and cooling components, built to restore OEM-level function and extend the service life of your vehicle's HVAC system.