Is it dangerous to drive with a leak here?

Yes, any fuel leak is a fire risk and should be repaired immediately — do not continue driving with a suspected fuel leak.

Can the reservoir be repaired instead of replaced?

Given the fire risk of a fuel system leak, replacement is strongly recommended over any temporary repair.

Fuel-resistant plastic or metal, depending on the vehicle.

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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The fuel return reservoir collects fuel returning from the engine before it flows back into the main tank, part of some fuel delivery system designs.

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.

Requires relieving fuel system pressure before disconnecting — always fit new seals at the connections.

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It buffers returning fuel flow, helping maintain consistent pressure and reducing turbulence before fuel re-enters the main tank.