These cables basically deliver the high – voltage electricity from your ignition coil to your spark plugs. That electricity is what creates the spark inside your engine's cylinders, igniting the air/fuel mixture. They’re designed to handle a lot of voltage, and they need to do it reliably, every single time. They also need to be flexible enough to run through the engine bay without getting damaged, and insulated to prevent electrical leakage. Think of them as the vital link in getting the power where it needs to go to make your engine run. The ignition coil creates the spark, but it’s these cables that actually deliver it to each spark plug. Without a good connection there, you’re not going to get combustion in that cylinder. It's a pretty straightforward system, but every part has to work right. If these cables start to fail, you’ll notice it. You might get a misfire—that’s the engine feeling like it’s stumbling or shaking. You’ll likely see a drop in fuel economy and performance, and your check engine light will probably come on. Bad cables can also cause hard starting, especially in cold or damp weather. They act like a shield against electrical interference too, so a failing cable can mess with other electronic components. Over time, the insulation breaks down from heat and exposure, and the wires themselves can corrode. Replacing them isn't usually super complicated, and keeping them in good shape really helps maintain overall engine health. You can often find a good set online at places like Fixparts Online, and they’re a relatively inexpensive maintenance item compared to some other engine repairs. Adaptable to any vehicle: High Tension Ignition Cable (MPN 0986357740) 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. Performance you can rely on – Bosch parts from FixParts Online.