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Global Parts 8211269 HVAC Heater Control Valve
| Brand | Global Parts 8211269 |
|---|---|
| Fits | Chevrolet, GMC, and Isuzu · 41 vehicles |
Heater control valve. Regulates coolant flow for consistent cabin heat.
HVAC temperature control component for heating system operation.
Cross-references Four Seasons 74618, UAC HV1211C and 15-5886 for the same application. See all 11.
HVAC Heater Control Valve for GM SUVs
Restore proper coolant flow control in the heating system with Global Parts part number 8211269. This HVAC heater control valve is a direct-fit replacement for select Chevrolet, GMC, and Isuzu SUVs, including Trailblazer, Envoy, and Ascender applications.
Fits 2002-2006 Chevrolet Trailblazer, N/A. Fits 2002-2006 Chevrolet Trailblazer EXT, N/A. Fits 2002-2006 GMC Envoy, N/A. Fits 2002-2006 GMC Envoy XL, N/A. Fits 2004-2005 GMC Envoy XUV, N/A. Fits 2003-2005 Isuzu Ascender, N/A.
Key Features
- Global Parts HVAC heater control valve, part number 8211269
- Controls coolant routing for the vehicle heater circuit
- Direct replacement for select GM and Isuzu SUV applications
- Cross-references Four Seasons 74618 for the same application
- Cross-references UAC HV1211C for the same application
Product Details
Heater control valves regulate coolant flow through the heater core so the cabin heating system can respond correctly to temperature commands. On these Chevrolet Trailblazer, GMC Envoy, and Isuzu Ascender platforms, a worn or sticking valve can affect heat output and coolant routing. Global Parts 8211269 is built for the listed fitments and supports service replacement on vehicles using this HVAC configuration.
Common Issues This Part Can Address
- Weak or inconsistent cabin heat
- Coolant flow not switching properly through the heater circuit
- Temperature control response problems
- Leakage at the heater control valve assembly
- Heating performance issues on select Trailblazer, Envoy, and Ascender models
Installation Notes and Tips
Verify the vehicle year, make, and model before ordering. Match the existing valve layout and hose routing to the original part number 8211269 and confirm the HVAC system configuration on the vehicle. After installation, refill and bleed the cooling system as required by the service procedure, then check for leaks and proper heater operation.
Quality Assurance
Global Parts supplies replacement HVAC components for listed OE-style applications. This part is cataloged for direct fitment on the specified Chevrolet Trailblazer, GMC Envoy, and Isuzu Ascender vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Chevrolet | Trailblazer | 5.3L | V8 | N/A | — |
| 2006 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2006 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2006 | Chevrolet | Trailblazer EXT | 5.3L | V8 | N/A | — |
| 2006 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2006 | GMC | Envoy | 5.3L | V8 | N/A | — |
| 2006 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2006 | GMC | Envoy XL | 5.3L | V8 | N/A | — |
| 2005 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2005 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2005 | Chevrolet | Trailblazer EXT | 5.3L | V8 | N/A | — |
| 2005 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2005 | GMC | Envoy | 5.3L | V8 | N/A | — |
| 2005 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2005 | GMC | Envoy XL | 5.3L | V8 | N/A | — |
| 2005 | GMC | Envoy XUV | 4.2L | L6 | N/A | — |
| 2005 | GMC | Envoy XUV | 5.3L | V8 | N/A | — |
| 2005 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2005 | Isuzu | Ascender | 5.3L | V8 | N/A | — |
| 2004 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2004 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2004 | Chevrolet | Trailblazer EXT | 5.3L | V8 | N/A | — |
| 2004 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2004 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2004 | GMC | Envoy XL | 5.3L | V8 | N/A | — |
| 2004 | GMC | Envoy XUV | 4.2L | L6 | N/A | — |
| 2004 | GMC | Envoy XUV | 5.3L | V8 | N/A | — |
| 2004 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2004 | Isuzu | Ascender | 5.3L | V8 | N/A | — |
| 2003 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2003 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2003 | Chevrolet | Trailblazer EXT | 5.3L | V8 | N/A | — |
| 2003 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2003 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2003 | GMC | Envoy XL | 5.3L | V8 | N/A | — |
| 2003 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2003 | Isuzu | Ascender | 5.3L | V8 | N/A | — |
| 2002 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2002 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2002 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2002 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
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