90981-YZZCC

Reliable Spark Plug Lead for Smooth Ignition ⚡

This ignition lead is a key link between the ignition coil/distributor and the spark plug. It’s needed to deliver strong, clean high-voltage energy so your engine lights the air-fuel mix at the exact right moment. When the signal is crisp, you get easier starts, steadier idle, and better fuel burn ?.

How It Works ?

Inside the cable, a special core carries high voltage while the insulation blocks leaks to the engine bay. The boots seal tightly on both ends to keep moisture out and prevent arcing. Good leads also reduce electrical noise that can disturb sensors and radio reception.

What Happens If It Fails ❌

A damaged lead can crack, corrode, or leak spark to ground. Symptoms include misfires, hesitation under load, rough idle, higher fuel use, and a flashing check engine light. In severe cases, unburned fuel can overheat the catalytic converter, leading to costly repairs ?.