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coolant expansion tank

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The following search results are not matched to your selected vehicle, or do not have vehicle applications associated with them. For fitment verification, contact our sales team via 978-388-7769, live chat, or [email protected].

Vaico Coolant Overflow Hose - Radiator to Expansion Tank - BMW F01 F0...

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T#:595421

Part#: 17127575428

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$ 143.99

This product was last offered at the strikethrough price on
08-13-2026

$ 80.99 USD

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$ 80.99 USD

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Overflow hoses connect the radiator and the expansion tank to store overflow of coolant. As pressures in the cooling system increase due to coolant temperatures, a valve on the radiator cap permits coolant back into the reservoir to help ease the build-up of pressure and prevent coolant loss. If your hose is leaking or damaged, we recommend swapping it out with this replacement from Vaico.