OEM Heater Control Valve Assembly | Fits 1984–1987 Buick Grand National / Turbo Regal

🛠️ Keep your cabin toasty—and your system factory-correct.

This is a factory-style heater control valve assembly pulled from a Turbo Regal. It includes the vacuum-actuated control valve and molded heater hoses. The valve controls the flow of hot coolant to the heater core based on HVAC system demands, helping regulate cabin temperature and keep engine bay plumbing clean.

✅ Vacuum-operated OEM-style heater control valve
🧰 Includes two molded rubber heater hoses w/ clamps
🔄 Direct-fit for stock heater core and HVAC routing
✅ Fits 1984–1987 Buick Grand National, Turbo Regal, T-Type
⚠️ Hoses show normal wear; valve appears to actuate properly