1J0121087B Volkswagen distributo

This part’s job is to take the high voltage electricity from your ignition coil and distribute it to the correct spark plug, at exactly the right time. It essentially directs the spark that ignites the fuel – air mixture in each cylinder. It's got a rotating arm – you might’ve heard it called a rotor – that spins around and sends that spark where it needs to go. Modern cars mostly use coil – on – plug systems now, but older vehicles, and some still today, rely on a distributor. Think of it as the central command for starting and running your engine. It works with other parts – like the ignition module and crankshaft position sensor – to determine when each cylinder needs to fire. It gets its signal from the engine's rotation, so it's directly tied to how the engine is performing. Without a functioning distributor, your engine just won’t run; it won’t even attempt to start, or it'll run terribly rough. It’s vital because timing is everything with an engine. If the spark happens too early or too late, the engine loses power, runs inefficiently, and can even be damaged. The distributor makes sure that spark hits at precisely the right moment. A failing distributor can cause a whole range of problems, like hard starting, misfires, poor fuel economy, and even engine stalling. You’ll notice if it's going bad, usually with rough idling or a lack of power when you try to accelerate. If you need a replacement, you can often find a good one at places like Fixparts Online; they usually have a pretty good selection for older vehicles. Eco-friendly and safe: Distributor (MPN 1J0121087B) comes with a 12-month warranty!

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