1987946821 Bosch Toothed Belt

This belt’s job is to synchronize the rotation of the crankshaft and the camshaft. Basically, it makes sure the valves open and close at exactly the right time, working with how the pistons are moving up and down. It’s a pretty precise dance, and the timing belt is the conductor. It doesn’t drive the engine itself – that’s the job of things like the serpentine belt – but it controls when things happen inside the engine. Think of it as a vital link in the whole engine process. Without it working properly, fuel and air can’t get in, and exhaust can’t get out when they're supposed to. It’s located inside the engine, usually covered by a protective cover, and it connects the crankshaft to the camshaft. It’s a long, toothed belt that's designed to stay put and not slip – that’s where those teeth come in. It's not something you typically see working, it's all happening internally. This is a big one. If this belt breaks, things can get really serious, really quickly. Modern engines are often “interference” engines, which means if the timing goes off, the valves and pistons can collide. That causes a lot of damage, potentially needing a full engine rebuild. It’s preventative maintenance, you’ll notice if it’s starting to crack or fray, usually. They do wear out over time, generally every 60,000 to 100,000 miles, depending on the car. Replacing it before it breaks can save you a lot of money and headache. A lot of people find good options for these at places like Fixparts Online. It really acts like a shield protecting the more expensive parts of your engine from damage. Secure your purchase: Timing belt (MPN 1987946821) includes a 12-month warranty!

About Bosch

Robert Bosch GmbH is a global leader in automotive technology, offering high-quality parts and systems that enhance vehicle efficiency, safety, and reliability.

Why Choose Bosch?

• Bosch parts are known for being reliable and lasting a long time, which can save you money on repairs in the future. • They’re a leading supplier to car manufacturers, so you’re getting the same quality parts used in many new vehicles. • Bosch invests a lot in research and development, meaning their parts often have the latest technology for better performance. • You can find Bosch parts for a wide range of vehicles, from older models to the newest cars and trucks. Bosch delivers excellence, FixParts Online delivers to your door.