Febi Bilstein Cap for Coolant Expansion Tank (181781)

This Febi Bilstein Cap for Coolant Expansion Tank (181781) is supplied in OE matching quality and maintains the high standards of Febi Bilstein products.

The Cap for a Coolant Expansion Tank, also known as a radiator cap, regulates pressure in the cooling system. It prevents overpressurisation, raises the coolant boiling point, allows coolant recirculation, and seals the system.

All Febi Bilstein components are developed and manufactured to meet OE specifications to be direct replacements and undergo rigorous testing and quality checks to guarantee every part is manufactured to a high standard. You can enjoy added peace of mind with a 3-year manufacturer's guarantee for every product.