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The Genuine Subaru OEM Radiator Hose – Inlet B (Part #45161AG04A) is a factory-replacement coolant hose designed specifically for 2009 Subaru Legacy and 2005-2007 and 2009 Subaru Outback 3.0D models. As a genuine OEM part, it delivers an exact factory fit, ensuring proper coolant flow and engine temperature regulation. This is the correct replacement for owners seeking to maintain their vehicle's cooling system to factory specifications.
| Part Number | 45161AG04A |
|---|---|
| Part Type | Radiator Hose – Inlet B |
| Brand | Genuine Subaru OEM |
| Material | OEM-spec rubber/coolant hose compound |
| Position | Inlet (Radiator to Engine) |
| Application Code | 30D (3.0L Engine variant) |
| Replaces | 45161AG04A (OEM cross-reference) |
This hose is designed for the following vehicles:
Note: This hose applies specifically to the "30D" designation (3.0L engine applications). Confirm your engine code before ordering to ensure proper fitment.
This is a direct OEM replacement hose and is designed for a bolt-on, factory-style installation. No modifications are required — simply remove the old hose, install this genuine Subaru part using new hose clamps if recommended, and refill the cooling system with the correct coolant. As with any cooling system work, allow the engine to cool completely before beginning and check for leaks after installation.
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