03C103037B Audi plug

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. Long-term solution: Spark Plug (MPN 03C103037B) is backed by a 12-month warranty!

About Audi

Audi is a renowned German automobile manufacturer known for its innovative engineering, luxurious designs, and cutting-edge technology, delivering premium vehicles that blend performance and sophistication.

Why Choose Audi?

• Audi parts are designed specifically for your vehicle, ensuring a perfect fit and optimal performance. • Using genuine Audi parts helps maintain your vehicle’s value and original quality. • We offer a wide range of parts, from everyday maintenance items to complex components. • Audi parts are rigorously tested to meet high standards for safety and durability, giving you peace of mind. Performance you can rely on – Audi parts from FixParts Online.