Dorman 800-401 HVAC Heater Hose Connector
Confirm Fitment Before You Buy
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
$16.81
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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
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
- Quality replacement - this heater hose connector matches the fit and function of the original equipment connector
- Durable construction - this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution - offers original equipment quality at competitive price
- Performance tested - this connector has been rigorously pressure tested to ensure reliable performance
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2002 | Chevrolet | C3500HD | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2002 | Chevrolet | C6500 Kodiak | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2002 | Chevrolet | C7500 Kodiak | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2002 | GMC | C3500HD | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2002 | GMC | C6500 Topkick | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2002 | GMC | C7500 Topkick | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2001 | Chevrolet | C3500HD | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2001 | Chevrolet | C6500 Kodiak | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2001 | Chevrolet | C7500 Kodiak | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2001 | GMC | C3500HD | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2001 | GMC | C6500 Topkick | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2001 | GMC | C7500 Topkick | V8 496 8.1L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | C2500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | C2500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | C3500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | C3500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | C3500HD | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | C6500 Kodiak | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | C7500 Kodiak | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | K2500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | K2500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | K3500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | K3500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | Chevrolet | Tahoe | V8 350 5.7L | Heater Inlet Hose Fitting at Engine; For Rear Heater | |
| 2000 | Chevrolet | Tahoe | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | C2500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | C2500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | C3500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | C3500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | C3500HD | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | C6500 Topkick | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | C7500 Topkick | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | K2500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | K2500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | K3500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | K3500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 2000 | GMC | Yukon | V8 350 5.7L | Heater Inlet Hose Fitting at Engine; For Rear Heater | |
| 2000 | GMC | Yukon | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Cadillac | Escalade | Engine To Heater | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C1500 | Heater Inlet; 5/8 In. to 1/2 In. | ||
| 1999 | Chevrolet | C1500 Suburban | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C2500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C2500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C2500 Suburban | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C2500 Suburban | V8 454 7.4L | Heater Inlet Hose Fitting at Engine; For Rear Heater | |
| 1999 | Chevrolet | C2500 Suburban | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C3500 | V8 350 5.7L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C3500 | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C3500HD | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. | |
| 1999 | Chevrolet | C6500 Kodiak | V8 454 7.4L | Heater Inlet; 5/8 In. to 1/2 In. |
Product Specifications
| End 1 Outside Diameter: | 0.625 in |
|---|---|
| End 1 Type: | Quick Disconnect |
| End 2 Outside Diameter: | 0.5 in |
| End 2 Type: | Male Thread |
| Fitting Angle: | Straight |
| Material: | Steel |
| Package Contents: | 1 Heater Hose Connector |
| Quick Connect System: | Yes |
| Selling Package Quantity UOM: | Piece |
| Packaging Type: | Clamshell |
| Package Quantity: | 1 |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 15265200 | GENERAL MOTORS |
| 15622861 | GENERAL MOTORS |
| 15739936 | GENERAL MOTORS |
| 24503681 | GENERAL MOTORS |
| 24503682 | GENERAL MOTORS |
| 88891732 | GENERAL MOTORS |
| 88891735 | GENERAL MOTORS |