The Audi engine coolant bleeder screw O-ring is a vital component that seals the bleeder screw, preventing coolant leaks during system servicing or pressure regulation. Over time, this small ring can lose elasticity due to repeated heat cycles. Replacing a worn or cracked O-ring helps ensure that the cooling system maintains its pressure and operates efficiently, especially during coolant flushes or air removal procedures.
This O-ring helps the bleeder screw do its job without causing leaks or air ingress. A proper seal keeps the system pressurized and eliminates the risk of coolant escaping during bleeding. This simple yet essential component maintains overall system integrity.
Crafted from durable, heat-resistant rubber compounds, these O-rings are designed to last under engine bay conditions.
From O-rings to major engine components, eEuroparts has your Audi covered with trusted replacement parts. Maintain performance and avoid leaks with our curated selection of cooling system essentials.
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Available on all kits, sets & Bison performance products