GM Genuine Parts 12163650 Coil on Spark Plug Boot
An ACDelco GM Original Equipment Spark Plug Boot fits snugly on the spark plug’s insulator, keeping out moisture and contaminants from deteriorating the spark plug terminal. The spark plug boot also prevents the high voltage from jumping to the engine. This original equipment spark plug boot has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
