Four Seasons 66038 HVAC Heater Control Valve

The Four Seasons 66038 is a replacement HVAC heater control valve engineered to restore proper coolant flow regulation through the heater core. As a direct-fit aftermarket replacement, it is designed to meet or exceed original equipment specifications for reliable, long-term heating system performance.

Key Features:

• Direct OEM-quality replacement heater control valve
• Precisely controls coolant flow to the heater core for accurate cabin temperature regulation
• Manufactured from high-quality materials to resist heat, pressure, and coolant degradation
• Pressure-tested for a leak-free seal right out of the box
• Designed and validated by Four Seasons engineering teams with decades of HVAC expertise

Four Seasons is the largest aftermarket climate control parts supplier in the automotive industry, with over 45 years of experience in engineering and manufacturing HVAC components. The 66038 heater valve is built to the same exacting standards as the rest of the Four Seasons line, ensuring a dependable, hassle-free installation and restored heating performance.