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Number 5 marks the part’s position in the exploded view.
Genuine OEM Audi Engine Valve Spring, part number 03F109623. This critical engine component is responsible for closing the engine valves after they have been opened by the camshaft, ensuring precise valve timing and proper combustion chamber sealing. It is located within the cylinder head, around the valve stem. Using a genuine OEM valve spring guarantees the correct spring rate, material fatigue resistance, and durability, which are vital for maintaining engine performance and preventing catastrophic valve train failure.
03F109623 Audi Engine Valve Spring | Genuine OEM fits: Volkswagen Beetle 1999–2019; Volkswagen Caddy 1983–present; Volkswagen Golf/Variant/4Motion 1998–present; Volkswagen Jetta 1979–present; Volkswagen Polo/Derby/Vento-IND 1975–present; Volkswagen Touran 2003–present.
This list may not include every compatible vehicle. If you’re unsure, share your VIN and our fitment team will confirm the right part before you order.
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