
The full rundownProduct details
Keep your Subaru’s cooling system sealed, secure, and flowing as it should.
The Genuine Subaru upper radiator hose connects the engine to the radiator, carrying the heat away from your EJ under load.
Cracked, swollen, or weeping hoses are a sign it’s time for replacement — and this OEM part is the one you want.
Fits:
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Impreza / WRX / STI (2008–2014)
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Forester (2009–2013)
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Liberty (2003–2009)
Compatible with: EJ202, EJ203, EJ204, EJ205, EJ207, EJ20C, EJ20X, EJ20Y, EJ252, EJ253, EJ255, EJ257 engines.
OEM Part Number: 45161AG000
Why Genuine Subaru:
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Factory-spec rubber compound for heat and pressure resistance
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Perfect fit — no trimming or leaks
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Built to handle boost, temperature spikes, and daily driving abuse
If your coolant hoses are original, they’re due for retirement.
Swap it out before a split hose leaves you steaming on the side of the road.
Roo Racing Tip:
Replace upper and lower hoses together and refill with fresh coolant for a full cooling system reset.
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Can I return it if I've ordered the wrong thing?
Yes, within 30 days, subject to our returns policy.