These little guys basically create the spark that ignites the fuel inside your engine’s cylinders. They take the high voltage from your ignition system and jump a gap, creating that spark. They have a center electrode, a ground electrode, and a ceramic insulator – that insulator is really important, it keeps everything contained and prevents the spark from jumping where it shouldn’t. Think of them as the initial firing point for the whole combustion process. Fuel and air get compressed in the cylinder, and the spark plug provides that little bit of energy to get everything going. That explosion pushes the piston, which turns the crankshaft, and ultimately powers your wheels. They’re a fundamental part of making your engine run. Each cylinder needs its own spark plug, so most engines have quite a few of them. Well, if your spark plugs are worn out or fouled, the spark gets weaker or doesn’t happen at all. That means incomplete combustion. You'll notice if that happens, usually as a misfire - the engine will run rough, feel shaky, and you’ll probably get a check engine light. Bad plugs lead to reduced fuel economy, lost power, and can even damage other engine components over time, like your catalytic converter. They act like a shield, protecting those more expensive parts. Replacing them is a fairly simple maintenance item, and it can save you a lot of trouble and money down the road. You can find a good selection of them at places like Fixparts Online, and they have guides to help you find the right ones for your vehicle. Just make sure you get the correct heat range for your engine. Satisfaction guaranteed: Spark Plug (MPN 0261033793) comes with a 12-month warranty!

About Audi

Audi is a premium automotive brand from Germany known for its innovative technology and sophisticated design. Based in Germany, Audi continues to set industry standards for performance and luxury.

Why Choose Audi?

• Audi parts are made specifically for your vehicle, ensuring a perfect fit and reliable performance. • Using genuine Audi parts helps maintain your vehicle’s original quality and resale value. • Audi parts are rigorously tested to meet high safety and performance standards, giving you peace of mind. • We offer a wide range of Audi parts, so you can easily find what you need to keep your car running smoothly. Audi – trusted quality, available at FixParts Online!