Dorman 626-538 HVAC Heater Hose Assembly
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$51.77
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
Original equipment HVAC heater hose assemblies often fail due to cracks in the plastic Y-connector. This Dorman OE FIX replacement features an upgraded aluminum Y-connector to prevent similar failures in the future.
- Upgraded material - this replacement engine heater hose assembly features aluminum Y-connectors for added durability
- Application specific - designed to match the original fit and function of heater hoses on certain vehicle years, makes and models
- Complete replacement - hoses come with necessary clamps for easy installation
- Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2006 | Cadillac | Escalade | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2006 | Cadillac | Escalade ESV | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2006 | Chevrolet | Avalanche 1500 | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2006 | Chevrolet | Suburban 1500 | V8 325 5.3L (5328cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2006 | Chevrolet | Suburban 1500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2006 | Chevrolet | Suburban 2500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2006 | Chevrolet | Tahoe | V8 294 4.8L | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2006 | Chevrolet | Tahoe | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2006 | GMC | Yukon | V8 294 4.8L | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2006 | GMC | Yukon | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2006 | GMC | Yukon | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2006 | GMC | Yukon XL 1500 | V8 325 5.3L (5328cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2006 | GMC | Yukon XL 1500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2006 | GMC | Yukon XL 2500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2005 | Cadillac | Escalade | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | Cadillac | Escalade | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | Cadillac | Escalade ESV | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | Chevrolet | Avalanche 1500 | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | Chevrolet | Suburban 1500 | V8 325 5.3L (5328cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2005 | Chevrolet | Suburban 2500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2005 | Chevrolet | Tahoe | V8 294 4.8L | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | Chevrolet | Tahoe | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | GMC | Yukon | V8 294 4.8L | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | GMC | Yukon | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | GMC | Yukon | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2005 | GMC | Yukon XL 1500 | V8 325 5.3L (5328cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2005 | GMC | Yukon XL 1500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2005 | GMC | Yukon XL 2500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2004 | Cadillac | Escalade | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | Cadillac | Escalade | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | Cadillac | Escalade ESV | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | Chevrolet | Avalanche 1500 | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | Chevrolet | Suburban 1500 | V8 325 5.3L (5328cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2004 | Chevrolet | Suburban 2500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2004 | Chevrolet | Tahoe | V8 294 4.8L | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | Chevrolet | Tahoe | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | GMC | Yukon | V8 294 4.8L | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | GMC | Yukon | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | GMC | Yukon | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2004 | GMC | Yukon XL 1500 | V8 325 5.3L (5328cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2004 | GMC | Yukon XL 1500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2004 | GMC | Yukon XL 2500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2003 | Cadillac | Escalade | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2003 | Cadillac | Escalade | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2003 | Cadillac | Escalade ESV | V8 364 6.0L (5967cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2003 | Chevrolet | Avalanche 1500 | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2003 | Chevrolet | Suburban 1500 | V8 325 5.3L (5328cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2003 | Chevrolet | Suburban 2500 | V8 364 6.0L (5967cc) | Outlet | Outlet; Radiator Surge Tank Hose; Auxiliary Heater |
| 2003 | Chevrolet | Tahoe | V8 294 4.8L | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
| 2003 | Chevrolet | Tahoe | V8 325 5.3L (5328cc) | Outlet | Radiator Surge Tank Hose; w/Auxiliary Heater |
Product Specifications
| Branch Quantity: | 3 |
|---|---|
| Clamps Included: | Yes |
| Color: | Natural/No Finish |
| Contains Spring: | No |
| Coolant Hose Heat Shield Included: | No |
| Coolant Hose Type: | Branched |
| End 1 Attachment Type: | Hose |
| End 1 Inside Diameter: | 0.72 in |
| End 2 Attachment Type: | Hose |
| End 2 Inside Diameter: | 1.05 in |
| End 3 Attachment Type: | Quick Connect |
| End 3 Inside Diameter: | 0.62 in |
| Grade Type: | Regular |
| Hose End (1) Outside Diameter (In): | 1.05 in |
| Hose End (2) Outside Diameter (In): | 1.34 in |
| Hose End (3) Outside Diameter (In): | 1.06 in |
| Hose Shape: | Molded Assembly |
| Length: | 32 in |
| Material: | Aluminum and Rubber |
| Maximum Working Pressure: | 100 PSI |
| Package Contents: | Heater Hose Assembly |
| Package Quantity: | 1 |
| Packaging Type: | Bag |
| Protective Sleeve Attached: | No |
| Thermostatically Controlled: | No |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 15792822 | GENERAL MOTORS |