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The Genuine Subaru OEM Coolant Crossover Hose (Part #21204AB230) is an exact-fit factory replacement hose designed specifically for the 2013–2014 Subaru Legacy with the 2.5B engine. As a direct OEM component, this hose ensures a perfect seal, proper coolant flow, and long-term durability — eliminating the fitment guesswork that comes with aftermarket alternatives.
| Subaru Part Number | 21204AB230 |
|---|---|
| Part Type | Coolant Crossover Hose |
| Brand | Genuine Subaru OEM |
| Material | Heat-Resistant Rubber (OEM Spec) |
| Engine Application | 2.5B (EJ253 / FB25) |
| Condition | New, Genuine OEM |
This hose is designed for the following Subaru vehicles:
| Year | Model | Trim / Engine |
|---|---|---|
| 2013 | Legacy | 2.5B / 2.5i variants |
| 2014 | Legacy | 2.5B / 2.5i variants |
Always verify your vehicle's VIN and engine code before ordering to confirm compatibility. If you have questions about fitment, contact us with your VIN for confirmation.
This coolant crossover hose is a direct OEM replacement and installs using the factory mounting points — no modifications required. Basic cooling system service experience is recommended, as the procedure involves draining coolant and working in close proximity to engine components. Professional installation by a qualified technician or Subaru dealer is advised to ensure proper torque and system re-fill procedures are followed.
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