Audi VW Seat Skoda (No.219) 5-Pin Black Relay 443951253AA 899574000 12V 25/10A. Multi-purpose relay used in Volkswagen and Audi vehicles. It is commonly referred to as the cooling fan relay (219) or accessory power relay, and it plays a critical role in managing electrical circuits for components such as the engine cooling fan, fuel pump, and other auxiliary systems.
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