Global Parts 8211260 HVAC Heater Control Valve
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Global Parts

Global Parts 8211260 HVAC Heater Control Valve

Brand Global Parts 8211260
Fits Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac · 69 vehicles

Heater control valve. Regulates coolant flow for dependable HVAC temperature control.

HVAC component. Supports the heating system with a direct replacement part.

Cross-references Four Seasons 74805, UAC HV2004C and 15-165 for the same application. See all 18.

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HVAC Heater Control Valve for GM Applications

Global Parts 8211260 is an HVAC heater control valve used in temperature control systems that route engine coolant through the heater circuit. It supports heater core flow management for select Chevrolet, Cadillac, Buick, Pontiac, and Oldsmobile applications, including Chevrolet Camaro and Firebird fitments with heater water bypass configurations.

Key Features

  • HVAC heater control valve for coolant flow control in the heater circuit
  • Compatible with select 1987-1994 Chevrolet, Cadillac, Buick, Pontiac, and Oldsmobile vehicles
  • Application coverage includes Chevrolet Camaro, Caprice, and Commercial Chassis
  • Also listed for Cadillac Brougham and Commercial Chassis, plus Buick Roadmaster and Oldsmobile Custom Cruiser
  • Cross-references Four Seasons 74805 for the same application
  • Part number 8211260 for catalog and service lookup

Detailed Description

Global Parts 8211260 is built for vehicles that use a heater water bypass or related heater control valve arrangement to regulate coolant flow to the heater core. In the HVAC system, this valve helps direct hot coolant so the cabin heating circuit can operate as intended. It is listed for 1987-1994 Chevrolet Commercial Chassis, 1987-1992 Chevrolet Camaro, 1989-1991 Chevrolet Caprice, 1991-1992 Buick Roadmaster, 1990-1991 Pontiac Bonneville, 1987-1992 Pontiac Firebird, 1991-1992 Cadillac Brougham, 1992 Cadillac Commercial Chassis, and 1989/1991 Oldsmobile Custom Cruiser applications. Use part number 8211260 when verifying catalog matchups for these GM heater control valve applications.

What It Helps Address

  • Weak or inconsistent cabin heat
  • Coolant flow problems in the heater circuit
  • Heater control valve leakage
  • Temperature regulation issues tied to the HVAC heater loop
  • Fitment replacement needs for GM heater water bypass systems

Installation Notes and Tips

Confirm the vehicle year, make, model, and heater valve configuration before installation. Match the existing hose routing and port layout to the original part, especially on applications noted as heater water bypass or 3-port designs. Inspect coolant hoses and clamps during service, and refill and bleed the cooling system according to the vehicle service procedure after replacement.

Quality Assurance

Global Parts 8211260 is cataloged as an OE-style replacement for the listed GM applications and cross-references Four Seasons 74805. Verify fitment against the vehicle’s HVAC and cooling system configuration before ordering.

Related reading

This part fits 69 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
1994ChevroletCommercial Chassis—5.7LV8—N/A—
1993ChevroletCommercial Chassis—5.7LV8—N/A—
1992BuickRoadmaster—5.7LV8—N/AHeater Wat Bypass
1992CadillacBrougham—5.0LV8—N/AHeater Wat Bypass
1992CadillacBrougham—5.7LV8—N/AHeater Wat Bypass
1992CadillacBrougham—5.7LV8—N/A—
1992CadillacBrougham—5.0LV8—N/A—
1992CadillacCommercial Chassis—5.7LV8—N/AHeater Wat Bypass
1992CadillacCommercial Chassis—5.7LV8—N/A—
1992ChevroletCamaro—5.0LV8—N/AHeater Wat Bypass
1992ChevroletCamaroZ285.7LV8—N/AHeater Wat Bypass
1992ChevroletCamaro—3.1LV6—N/AHeater Wat Bypass
1992ChevroletCommercial Chassis—5.7LV8—N/A—
1992ChevroletCommercial Chassis—5.0LV8—N/A—
1992ChevroletCommercial Chassis—4.3LV6—N/A—
1992PontiacFirebird—5.7LV8—N/AHeater Wat Bypass
1992PontiacFirebird—3.1LV6—N/AHeater Wat Bypass
1992PontiacFirebird—5.0LV8—N/AHeater Wat Bypass
1991BuickRoadmaster—5.0LV8—N/AHeater Wat Bypass
1991CadillacBrougham—5.0LV8—N/AHeater Wat Bypass
1991CadillacBrougham—5.7LV8—N/AHeater Wat Bypass
1991CadillacBrougham—5.7LV8—N/A—
1991CadillacBrougham—5.0LV8—N/A—
1991ChevroletCamaro—5.0LV8—N/AHeater Wat Bypass
1991ChevroletCamaro—5.7LV8—N/AHeater Wat Bypass
1991ChevroletCamaro—3.1LV6—N/AHeater Wat Bypass
1991ChevroletCaprice—5.0LV8—N/AHeater Wat Bypass
1991ChevroletCaprice—5.7LV8—N/AHeater Wat Bypass
1991ChevroletCommercial Chassis—5.7LV8—N/A—
1991ChevroletCommercial Chassis—5.0LV8—N/A—
1991OldsmobileCustom Cruiser—5.0LV8—N/AHeater Wat Bypass
1991PontiacBonneville—3.8LV6—N/A—
1991PontiacFirebird—5.7LV8—N/AHeater Wat Bypass
1991PontiacFirebird—3.1LV6—N/AHeater Wat Bypass
1991PontiacFirebird—5.0LV8—N/AHeater Wat Bypass
1990CadillacBrougham—5.7LV8—N/A3 Ports
1990CadillacBrougham—5.0LV8—N/A3 Ports
1990ChevroletCamaro—5.0LV8—N/AHeater Wat Bypass
1990ChevroletCamaro—5.7LV8—N/AHeater Wat Bypass
1990ChevroletCamaro—3.1LV6—N/AHeater Wat Bypass
1990ChevroletCaprice—4.3LV6—N/AHeater Wat Bypass
1990ChevroletCaprice—5.7LV8—N/A—
1990PontiacBonneville—3.8LV6—N/A—
1990PontiacFirebird—5.7LV8—N/AHeater Wat Bypass
1990PontiacFirebird—3.1LV6—N/AHeater Wat Bypass
1990PontiacFirebird—5.0LV8—N/AHeater Wat Bypass
1989ChevroletCamaro—5.0LV8—N/AHeater Wat Bypass
1989ChevroletCamaro—5.7LV8—N/AHeater Wat Bypass
1989ChevroletCamaro—2.8LV6—N/AHeater Wat Bypass
1989ChevroletCaprice—5.0LV8GASN/AHeater Wat Bypass
1989ChevroletCaprice—4.3LV6—N/AHeater Wat Bypass
1989ChevroletCaprice—5.7LV8—N/AHeater Wat Bypass
1989OldsmobileCustom Cruiser—5.0LV8—N/AHeater Wat Bypass
1989PontiacFirebird—5.7LV8—N/AHeater Wat Bypass
1989PontiacFirebird—2.8LV6—N/AHeater Wat Bypass
1989PontiacFirebird—3.8LV6—N/AHeater Wat Bypass
1989PontiacFirebird—5.0LV8—N/AHeater Wat Bypass
1988ChevroletCamaro—5.0LV8—N/AHeater Wat Bypass
1988ChevroletCamaro—5.7LV8—N/AHeater Wat Bypass
1988ChevroletCamaro—2.8LV6—N/AHeater Wat Bypass
1988PontiacFirebird—5.7LV8—N/AHeater Wat Bypass
1988PontiacFirebird—2.8LV6—N/AHeater Wat Bypass
1988PontiacFirebird—5.0LV8—N/AHeater Wat Bypass
1987ChevroletCamaro—5.0LV8—N/A—
1987ChevroletCamaro—5.7LV8—N/AHeater Wat Bypass
1987ChevroletCamaro—2.8LV6—N/AHeater Wat Bypass
1987PontiacFirebird—5.7LV8—N/AHeater Wat Bypass
1987PontiacFirebird—2.8LV6—N/AHeater Wat Bypass
1987PontiacFirebird—5.0LV8—N/AHeater Wat Bypass
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 74805UAC — HV2004C15-16515-534215-540415-71400801-5181553421554048015181571400130031511300315214101545ACX011204AHVH564HV2004OTH-1695