OE Quality
60-Day Returns

Gates 28490 HVAC Heater Hose - Pipe-2 To Thermostat, Thermostat To Pipe-1 or Water Pump To Pipe-1
Overview of Gates Straight Heater Hose 28490
The Gates Straight Heater Hose (Standard) part number 28490 is designed for reliable HVAC system performance in select Saab and Subaru vehicles. Constructed from durable EPDM material, this heater hose ensures consistent heat transfer and resistance to pressure and temperature variations.
- Material: EPDM rubber for heat and chemical resistance
- Inside diameter: 0.5 inches (13 mm) on both ends
- Centerline length: 72 inches (1.83 meters)
- Working pressure rating: 60 psi
- Non-molded, straight hose design
Product Line Details: Straight Heater Hose (Standard)
The Straight Heater Hose (Standard) line by Gates offers a straightforward, non-molded hose solution for HVAC applications. This product line focuses on providing durable, flexible hoses that maintain system integrity under typical operating pressures and temperatures. The 28490 hose fits within this line as a standard straight hose option, suitable for direct replacement in compatible vehicles.
Detailed Product Description
This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals, making it suitable for automotive heating systems. Both ends of the hose have an inside diameter of 0.5 inches (13 mm), ensuring a secure fit with standard heater system fittings. The hose length measures 72 inches (1.83 meters), providing ample length for routing in the HVAC system of compatible vehicles. Rated for a working pressure of 60 psi, this hose can withstand typical heater core pressures without failure.
Compatible Vehicles and Applications
- Saab 9-2X HVAC heater hose replacement
- Subaru Baja heater hose repair
- Subaru Forester heater core hose maintenance
- Subaru Impreza heater hose replacement
- Subaru Legacy and Outback HVAC hose service
- Subaru WRX and WRX STI heater hose applications
Installation Notes and Tips
- Ensure the hose diameter matches the vehicle’s heater core and fitting sizes (0.5 inch / 13 mm)
- Cut hose to length if necessary, maintaining clean, straight edges for secure clamps
- Inspect clamps and fittings for corrosion or damage before installation
- Flush the cooling system to remove debris before installing the new hose
- Check for leaks after installation and during initial engine operation
Quality Assurance and Warranty
Gates manufactures the Straight Heater Hose (Standard) line to meet OEM specifications for durability and performance. The EPDM material and construction are tested to withstand typical automotive HVAC conditions, including heat and pressure. While specific warranty details are not provided here, Gates products generally come with manufacturer-backed quality assurance to support reliable service life.
| Brand | Gates |
| Part Number | 28490 |
| Position | Straight Heater Hose (Standard), Thermostat To Pipe-1, Water Pump To Pipe-1, and Pipe-2 To Thermostat |
| Material | Epdm |
| End 1 Inside Diameter | .5 |
| End 1 Inside Diameter | 13 |
| End 2 Inside Diameter | .5 |
| End 2 Inside Diameter | 13 |
| Centerline Length | 1.83 |
| Centerline Length | 1829 |
| Centerline Length | 6 |
| Centerline Length | 72 |
| Working Pressure | 60 |
| 9839 | No |
| Centerline Length (ft) | 6 |
| Centerline Length (in) | 72 |
| Centerline Length (m) | 1.83 |
| Centerline Length (mm) | 1829 |
| Molded | No |
| Working Pressure (psi) | 60 |
This part fits 49 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Subaru | WRX STI | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2020 | Subaru | WRX STI | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2018 | Subaru | WRX STI | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2017 | Subaru | WRX STI | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2016 | Subaru | WRX | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2016 | Subaru | WRX STI | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2015 | Subaru | WRX | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2015 | Subaru | WRX STI | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2014 | Subaru | Impreza | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2014 | Subaru | WRX | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2014 | Subaru | WRX STI | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2013 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2013 | Subaru | Impreza | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2013 | Subaru | WRX | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2013 | Subaru | WRX STI | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2012 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2012 | Subaru | Impreza | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2012 | Subaru | WRX | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2011 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2010 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2009 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2009 | Subaru | Impreza | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2009 | Subaru | Legacy | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2009 | Subaru | Outback | 2.5L | H4 | GAS | Pipe-2 To Thermostat | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2008 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2008 | Subaru | Impreza | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2008 | Subaru | Legacy | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2008 | Subaru | Outback | 2.5L | H4 | GAS | Pipe-2 To Thermostat | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2007 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2007 | Subaru | Impreza | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2007 | Subaru | Legacy | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2007 | Subaru | Outback | 2.5L | H4 | GAS | Pipe-2 To Thermostat | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2006 | Subaru | Baja | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2006 | Subaru | Forester | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2006 | Subaru | Impreza | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2006 | Subaru | Legacy | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2006 | Subaru | Outback | 2.5L | H4 | GAS | Pipe-2 To Thermostat | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2005 | Saab | 9-2X | 2.0L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2005 | Subaru | Baja | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2005 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2005 | Subaru | Impreza | 2.0L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2005 | Subaru | Impreza | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2005 | Subaru | Legacy | 2.5L | H4 | GAS | Pipe-2 To Thermostat | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2005 | Subaru | Outback | 2.5L | H4 | GAS | Pipe-2 To Thermostat | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2004 | Subaru | Baja | 2.5L | H4 | GAS | Water Pump To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2004 | Subaru | Forester | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2004 | Subaru | Impreza | 2.0L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2004 | Subaru | Impreza | 2.5L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
| 2002 | Subaru | Impreza | 2.0L | H4 | GAS | Thermostat To Pipe-1 | HVAC Heater Hose - Cut to Length, 7"; Straight Heater Hose (Standard) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.