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The Genuine Subaru OEM Coolant Expansion Tank to Overflow Hose (Part #45162AG000) is the factory-original replacement hose designed to connect the coolant expansion tank to the overflow reservoir on 2008–2014 Subaru WRX models. Engineered to Subaru's exact specifications, this OEM hose ensures a precise, leak-free fit that aftermarket alternatives simply cannot match. Keeping your cooling system properly sealed is critical to maintaining optimal engine temperatures and preventing costly overheating damage.
| Subaru Part Number | 45162AG000 |
|---|---|
| Part Type | Coolant Expansion Tank to Overflow Hose |
| Material | OEM-spec rubber compound |
| Brand | Genuine Subaru OEM |
| Warranty | Subaru OEM parts warranty |
This hose is a direct OEM replacement for the following Subaru vehicles:
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2008–2014 | Subaru | WRX (Impreza WRX) | All Trims |
Always verify your vehicle's specific build date and trim level against part number 45162AG000 before ordering to confirm compatibility.
This is a direct bolt-on, OEM replacement hose requiring only basic hand tools. The installation involves relieving coolant system pressure, disconnecting the existing hose from the expansion tank and overflow reservoir, and securing the new hose with the factory clamps. Professional installation is recommended if you are unfamiliar with cooling system service. Always allow the engine to cool completely before beginning work, and top off coolant as needed after installation.
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