1K0423831B Volkswagen cup

This little rubber sleeve—and that’s essentially what it is—protects the constant velocity joint, or CV joint. It keeps the grease inside that joint and, more importantly, keeps dirt, water, and road grime out. It flexes and moves with the steering and suspension as you drive. Think of it as a really important seal. The CV joint lets your wheels turn and receive power smoothly. Without the boot doing its job, that joint is exposed to everything the road throws at it. It’s part of the steering system, so it’s directly involved in how your car handles and drives. It’s really crucial because once that boot cracks or tears, you’re looking at potential problems. The grease leaks out, and dirt and water get in, which quickly wears down the CV joint itself. You’ll notice if one starts to go bad – you'll typically hear a clicking or popping sound when you turn, especially at lower speeds. Ignoring a bad boot can lead to a completely failed CV joint, which means you won’t be able to drive the car, and a much more expensive repair. You can find replacements pretty easily. Places like Fixparts Online usually have a good selection. It's a relatively inexpensive part to replace and can save you a lot of headaches down the road. Built to last: Boot (MPN 1K0423831B) comes with a 12-month warranty for your assurance!

About Volkswagen

Volkswagen blends German engineering and innovation to produce a versatile lineup of vehicles.

Why Choose Volkswagen?

• Get parts made specifically for your VW, ensuring a perfect fit and reliable performance. • Volkswagen parts are quality-tested to meet strict standards, so you can drive with confidence. • Using genuine VW parts helps maintain your vehicle’s value and original engineering. • We offer a wide selection of parts and accessories, so you can find exactly what you need to keep your VW running smoothly. Drive with confidence – choose Volkswagen parts at FixParts Online.