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The Genuine Subaru OEM Heater Core Hose (Part #72421FL000) is a factory-replacement coolant hose designed specifically for the 2018–2019 Subaru Crosstrek. This exact-fit OEM component ensures proper coolant flow between the engine and heater core, maintaining reliable cabin heating performance. Choosing a genuine Subaru part guarantees compatibility, factory-grade materials, and long-term durability that aftermarket alternatives simply cannot match.
| Part Number | 72421FL000 |
|---|---|
| Brand | Genuine Subaru OEM |
| Component | Heater Core Hose |
| Application | 2018–2019 Subaru Crosstrek |
| Trim | 20D and compatible trims |
| Condition | New OEM |
This heater core hose is confirmed to fit the following Subaru vehicles:
| Year | Model | Trim / Notes |
|---|---|---|
| 2018 | Subaru Crosstrek | 20D and applicable trims |
| 2019 | Subaru Crosstrek | 20D and applicable trims |
Always verify your vehicle's VIN and trim level against the Subaru parts catalog to confirm fitment before ordering. Part #72421FL000 is a genuine Subaru component and will match the factory hose routing exactly.
This heater core hose is a direct OEM replacement designed for a straightforward bolt-on installation. The factory-matched dimensions and connection points eliminate the need for modifications. While mechanically inclined owners may complete this replacement at home, professional installation by a certified Subaru technician is recommended to ensure the cooling system is properly bled and tested after hose replacement.
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