Spark Plug Working Principle: When the engine is running, electrode produces a spark of electricity, ignites the air/fuel mixture within the engine, the engine to work smoothly
The Spark Plug Main Structure: Insulator, Terminals, Central electrode, Side/Ground electrode, Gap, Outer metallic body
Model: For B2500, For B3500, For Durango, For Ram 1500, For Ram 2500 Van, For Ram 3500 Van, For Grand Cherokee