Global Parts 8211247 HVAC Heater Control Valve

HVAC Heater Control Valve for GM Vans and Trucks

Restore proper heater coolant flow with Global Parts part number 8211247. This HVAC heater control valve is used in a wide range of Chevrolet, GMC, and Cadillac applications, including Express, Savana, Tahoe, Yukon, Silverado, Sierra, and related platforms.

Fits 1995-2012 Chevrolet Express, GMC Savana, Chevrolet Tahoe, GMC Yukon, and other listed GM applications with heater control valve configurations.

Key Features

• HVAC heater control valve for coolant flow management
• Direct-fit application coverage for select Chevrolet, GMC, and Cadillac vehicles
• Used in heater circuit routing on 4-port and standard configurations where noted
• Global Parts part number 8211247
• Cross-references Four Seasons 74781 for the same application

Detailed Description

Global Parts 8211247 is a heater control valve used in the vehicle heating system to regulate coolant flow through the heater circuit. In GM trucks and vans, this component works with the cooling system and heater core plumbing to help control cabin heat output. It is listed for applications including Chevrolet Express and GMC Savana vans, Chevrolet Tahoe and Silverado, GMC Sierra and Yukon models, plus select Cadillac Escalade coverage.

This part number 8211247 also cross-references UAC HV3001C for the same application. If you are servicing a Chevrolet Express heater control valve, GMC Savana heater control valve, or a GM truck heater valve replacement, verify the port style and vehicle listing before installation.

Common Issues This Part May Address

• Weak or inconsistent cabin heat
• Coolant flow problems through the heater circuit
• Heater output that does not respond correctly to temperature changes
• Leaking or worn heater control valve housing
• HVAC temperature control complaints tied to coolant routing

Installation Notes and Tips

Confirm the vehicle year, make, model, and heater valve configuration before ordering. This listing includes standard heater control valve applications and 4-port notes on select Express, Savana, Tahoe, Yukon, and Yukon XL models. Inspect coolant hoses, clamps, and adjacent heater plumbing during replacement, and refill and bleed the cooling system according to factory service procedures after installation.

Quality Assurance

Global Parts supplies replacement HVAC components for listed GM applications. Part number 8211247 is cataloged for direct vehicle fitment across the specified Chevrolet, GMC, and Cadillac models.