This was removed from my Audi A4 a few years back. It was working when removed and has been sat in the garage for a few years. The contacts could do with cleaning before fitting. The Audi A4 B5 Rear Window Demist Heater Switch 4D0 941 503 B is a black switch designed for the rear windshield heating system in Audi vehicles. It is an OE/OEM reference number compatible with the specified part number, suitable for a 12V voltage system. This product is a genuine Audi brand component, ensuring quality and reliability for controlling the rear window demist heater. It is a switch with one position, specifically designed for the interior fittings of Audi vehicles.
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