Febi Bilstein Coolant Expansion Tank. This expansion tank is designed as an OE replacement part for various VW, Audi, and Skoda models. Key Features: - Brand: Febi Bilstein - Part Number: 44535 - Quantity: 1 Unit - With coolant level sensor - Without lid - Number of Connectors/Ports: 2 - Weight: 0.323 kg - For OE number: 6Q0 121 407 D - Type: Expansion Tank, coolant - Material: Plastic Compatibility: - VW & Audi models - Skoda Fabia (1999-2022) - VW Fox (2005-2011) 1.2, 1.4, 1.4D - Audi A1 8X (2010-2015) - Seat Cordoba 6L (2002-2009) Ensure correct fitment for your vehicle before purchase. Professional installation recommended. Products are usually supplied without fitting instructions.