Is a fault here a safety issue?

Not directly for driving safety, but not being able to clean the rear window reduces visibility when reversing.

What’s the reservoir made of?

Durable polypropylene, resistant to washer fluid.

Sometimes sealing it with plastic-specific adhesive works, but replacement is more reliable.

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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This reservoir stores washer fluid for cleaning the rear window (on models with separate tanks).

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.

Bolts to the body, usually at the rear of the car — needs hoses and the pump’s electrical connector fitted.

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

Often a crack in the reservoir lets fluid escape before it reaches the nozzle, or the separate rear-washer pump has failed.