This kit essentially synchronizes the rotation of your crankshaft and camshaft. Think of it like a really precise set of belts and gears making sure all the engine’s moving parts are working together at exactly the right time. The kit usually includes the belt itself, tensioners, and idler pulleys. Those tensioners keep the belt tight, and the pulleys guide it around the engine. Sometimes it includes a water pump too, since those are often driven by the timing belt and it makes sense to replace them together. It's absolutely critical for how your engine runs. The timing belt makes sure the valves open and close at exactly the right moment relative to the pistons moving up and down. It ensures the air and fuel get into the cylinders and the exhaust gets out at the proper times. It’s a fundamental part of the engine’s internal choreography. Without it working right, the engine just won’t run, or it’ll run really poorly. This is one of those things you really don’t want to fail. If the timing belt breaks, especially on what they call an ‘interference’ engine, your pistons can smack into the valves. That’s a recipe for a seriously expensive repair – basically a complete engine rebuild. Regular replacement is a preventative measure. You’ll notice if it’s starting to go, often with ticking sounds or rough running, but it's much better to replace it before it gets to that point. Replacement intervals vary depending on the vehicle, but usually it's every 60,000 to 100,000 miles. We can look up the specific interval for your car if you tell me the year, make, and model. You can find a lot of kits, including good options, over at Fixparts Online, but we also stock a lot of the common ones here if you’d prefer to get it right away. Year-round reliability: Timing Belt Kit (MPN 1987946928) 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 being reliable and lasting a long time, saving you money in the long run. • They work well right out of the box, so you can get back on the road quickly and easily. • Bosch invests a lot in research and development, meaning they’re always improving their parts with the latest technology. • Whether you drive a newer car or an older one, Bosch has a wide range of parts to fit your vehicle. Bosch delivers excellence, FixParts Online delivers to your door.