This little piece basically takes the high voltage from your ignition coil and distributes it to the correct spark plug at the right time. Think of it like a traffic controller for electricity, making sure each cylinder gets the spark it needs to fire when it’s supposed to. It has these little terminals inside that line up with where the spark plug wires connect. It’s pretty simple mechanically, but vital. It’s part of your ignition system, naturally. Older vehicles – we’re talking generally pre – 2000s, though some newer ones still use them – rely on a distributor and cap to manage the spark. Newer cars use coil – on – plug systems, where each spark plug has its own coil, but this cap is for the older style ignition. It sits right on top of the distributor, which is driven by your engine. As the engine turns, the distributor rotates and the cap sends that spark where it needs to go. Well, if this cap fails, your engine won't run right, or might not run at all. You’ll notice if it’s going bad—usually misfires, rough idling, loss of power, or trouble starting. Sometimes you’ll even get a check engine light. It's plastic, so it can crack over time from heat and age, or the contacts inside can corrode. It doesn't take a huge amount of effort to replace, and a failing cap can actually damage other parts of your ignition system if you leave it too long. You can find these pretty easily, by the way, places like Fixparts Online carry a good selection. Replacing it is preventative maintenance that can save you bigger headaches down the road, so it’s worth keeping an eye on. All-season performance: Distributor Cap (MPN 1987233012) comes with 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. Drive with confidence – choose Bosch parts at FixParts Online.