0AA301047N Volkswagen BREATHER

A breather’s main job is pretty simple – it lets air in and out of your gearbox. Now, gearboxes aren't sealed airtight. As the gears spin, they create pressure and vacuum inside. The breather balances that pressure, keeping everything happy inside. It also vents any moisture that might build up. Think of it like a little valve. It's usually a small filter screwed into the top of the gearbox or transmission. It allows air to move freely, preventing a build – up of pressure. Without it, you could blow seals, leak fluid, or even damage the gearbox itself. It’s part of the overall system that keeps your gears turning smoothly. It's important because a failing breather can lead to some messy and expensive problems. You’ll notice if it goes bad, usually through leaks. Fluid will start showing up around the seals, and eventually, you could end up with a gearbox that’s just not shifting right. It acts like a shield, preventing pressure from causing damage. A new breather isn't a huge expense and it can save you a ton of headaches down the road. You can find them pretty easily, Fixparts Online carries a good selection, and replacing one is often a straightforward job, though sometimes it’s in a tight spot. Future-proof your vehicle: Breather (MPN 0AA301047N) has a 12-month warranty!

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