06A121132AQ Volkswagen FLANGE

A flange is basically a connecting piece. Think of it like a plate with bolts, used to join sections of hoses or pipes together, usually within the engine’s cooling system. It creates a secure, leak – proof connection. It doesn’t do anything active like pump water, it just makes sure things stay connected tightly. Specifically in the cooling system, you’ll find flanges connecting radiator hoses to the engine, or sections of coolant pipes. Coolant’s gotta flow freely to keep your engine from overheating, and the flange is a critical piece in maintaining that flow. They're often where the thermostat housing connects too, so a bad flange there can really cause problems. Well, if a flange fails—cracks, corrodes, or the gasket goes bad—you’re gonna have a coolant leak. And that can lead to overheating, which, as you can imagine, is really bad news for your engine. You’ll notice if you have a failing flange usually – a puddle of green or orange fluid under your car, or maybe the temperature gauge creeping up. They're pretty durable parts, but rubber components do degrade over time, especially with heat cycling. If you're doing a cooling system overhaul, it's always smart to replace the flanges as preventative maintenance. We carry a good range of these at Fixparts Online if you're looking, and they aren’t too bad to replace if you're comfortable doing a little wrenching yourself. A warranty you can count on: Flange (MPN 06A121132AQ) has a 12-month guarantee!

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