This little ring, it doesn’t do a whole lot on its own, but it’s critical for keeping fluids where they’re supposed to be. Specifically, it creates a tight seal between fuel system components – things like fuel injectors, the fuel rail, or even the fuel pump itself. It’s really about preventing leaks. It’s usually made of a rubber or a synthetic material designed to withstand fuel and temperature changes. Think of it as a barrier, preventing fuel from escaping where it shouldn’t. Fuel systems are, naturally, under pressure, and these rings fill in tiny gaps and imperfections in the metal parts to maintain that seal. They’re used anywhere two fuel system pieces connect. It’s a small part, but it plays a big role in keeping everything running smoothly. Fuel leaks are obviously a big deal. They’re a fire hazard first and foremost, and they can also cause a loss of power, rough running, or even damage to other engine components. You’ll notice if you have a significant leak—you'll smell fuel, maybe see it dripping. But sometimes it's a slow seep, and that’s where these rings really earn their keep. Replacing a worn or cracked seal ring is a lot cheaper – and safer – than dealing with the consequences of a fuel leak. You can often find a good selection of them at places like Fixparts Online, they usually have diagrams to help you find the right one for your vehicle. It’s a preventative thing, really. They don't last forever, and replacing them during a fuel system service is smart. Versatile and reliable: Seal Ring (MPN 2430105042) includes a 12-month warranty!

About Bosch

With a heritage of innovation, Bosch provides dependable and efficient automotive components that set industry standards.

Why Choose Bosch?

• Bosch parts are known for lasting a long time, so you won't have to replace them often. • They're made with high-quality materials and tested thoroughly, meaning they perform reliably. • Bosch offers a wide range of parts, so you're likely to find what you need for almost any vehicle. • Mechanics and drivers around the world trust Bosch – it’s a name you can depend on. FixParts Online – Your Trusted Source for Quality Bosch Auto Parts.