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The Genuine Subaru OEM Engine Coolant Hose (Part #21204AB120) is an exact-fit factory replacement hose designed specifically for 2012–2014 Subaru WRX, 2011–2013 Subaru Forester XT, and 2010–2012 Subaru Legacy GT models. This hose routes engine coolant through the throttle body to prevent icing and maintain optimal throttle response in cold-weather conditions. Choosing a genuine OEM part ensures perfect fitment, factory-grade durability, and compatibility with your vehicle's cooling system — no modifications or adapters required.
| Part Number | 21204AB120 |
|---|---|
| Brand | Genuine Subaru OEM |
| Part Type | Engine Coolant Hose |
| Material | OEM-spec coolant-resistant rubber |
| Function | Routes coolant through throttle body for anti-icing |
| Application | 2012–2014 Subaru WRX, 2011–2013 Subaru Forester XT, 2010–2012 Subaru Legacy GT |
| Engine | EJ255 2.5L Turbocharged |
| OEM Part Number | 21204AB120 |
This genuine Subaru engine coolant hose is confirmed to fit the following vehicles:
Product Fitment:
Always verify fitment using your vehicle's VIN before ordering. If you are unsure whether this hose fits your vehicle, consult Subaru's official parts catalog or contact a Subaru dealer.
This engine coolant hose is a direct OEM replacement designed for straightforward installation with basic hand tools. Allow the engine to cool completely before beginning any cooling system work. For best results, have installation performed by a qualified Subaru technician or experienced DIY mechanic. Inspect surrounding clamps and hoses for wear while servicing the system.
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