Description
The flange typically includes a sealing ring/gasket to maintain a leak-proof joint under pressure and high engine temperatures. Over time the plastic flange can become brittle due to heat and vibration, so replacing it with this OEM part helps maintain optimal cooling performance and prevent coolant loss that can cause overheating.
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Part Number: 03L121132AC (Audi/VW Group OEM coolant flange).
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Type: Coolant flange / coolant outlet connection — joins coolant hoses to engine/cooling components.
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Included: Often supplied with sealing ring or gasket to ensure a secure coolant-tight connection.













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