These little rubber rings are all about sealing things up. Specifically, they create a watertight seal where the brake drum meets other parts – usually around the axle or backing plate. They stop brake fluid, water, and dirt from getting where they don’t belong. They compress to fill the space between those parts, kind of like a gasket. Think of your brake drum as a big, important component that needs to stay clean and properly lubricated to work safely. This O – ring acts like a shield, preventing contaminants from getting inside and causing rust, corrosion, or fluid leaks. It’s part of what keeps everything moving smoothly and efficiently within the braking system. They're usually found where the brake drum slides onto the axle; that’s the main area they seal. If these O – rings fail, you’ll notice if you have brake fluid leaks – that’s a big one and needs to be addressed immediately. But even before a full leak, a failing O – ring can let in dirt and water, which causes premature wear on the drum and other brake components. That wears things out faster and makes the brakes less effective, so it’s a safety issue. They're inexpensive to replace, and honestly, a good preventative measure during a brake job. You can find them easily enough, and we stock a lot of them here, or you can check places like Fixparts Online, they usually have a pretty good selection. It's just one of those little parts that makes a big difference in keeping everything working right. Shop with confidence: O-Ring (MPN 17931) comes with a 3 year manufacturer guarantee!

About Febi

Ferdinand Bilstein is well known for reliability and is trusted by repair professionals worldwide.

Why Choose Febi?

• Febi parts are made to the same standards as original equipment, so you get reliable quality. • We offer a huge range of parts – from engine components to wear-and-tear items – covering many vehicle makes and models. • Febi has been a trusted name in the automotive industry for over 70 years, so you’re choosing a brand with a long history of performance. • You get a great balance of quality and price, meaning you don’t have to break the bank to keep your vehicle running smoothly. Febi delivers excellence, FixParts Online delivers to your door.