Cooling radiator filler neck

Our catalog has a wide range of this part type for all popular brands and models, including VAG (VW, Audi, Škoda), Opel, Toyota, and more.

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Cooling radiator filler neck

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  • 14-day returns
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Cooling radiator filler neck – how to choose?

The radiator filler neck is the tube leading from the top of the radiator (or a separate fill point) where coolant is added and the pressure cap is fitted.

Our catalog has a wide range of this part type for all popular brands and models, including VAG (VW, Audi, Škoda), Opel, Toyota, and more.

How to tell if the part is damaged?

Fits into the radiator top tank or as a separate assembly — always check the sealing surface is clean and undamaged before fitting a new cap.

  • OEM inspection
    Every part is tested and matches OEM standards.
  • Guaranteed quality
    On all parts without exception
  • 15–20 min install
    Plug-and-play connection
  • Free compatibility check.
    Send us your car's make and model and we'll find the right part

Frequently asked questions (FAQ)

Usually from age and heat exposure making the plastic brittle, or from cross-threading the radiator cap during a previous top-up.