Why do I have to double-check the spark plug part number before I plug it in?

It is important to double-check the spark plug part number before plugging it in because using the wrong spark plug can cause a range of problems, including reduced engine performance, misfires, and damage to the engine. Here are a few reasons why it is important to double-check the spark plug part number before installation:

 

Compatibility: Different engines require different spark plugs with specific specifications, such as heat range, electrode gap, and thread diameter. Using the wrong spark plug can lead to compatibility issues, resulting in poor engine performance or even engine damage.