A spark plug is an electronic device, which was integrated with cylinder head in the vehicle engine that produces electric spark to burn petrol. Similarly, a glow plug is an electrically heating device, which is integrated on the cylinder head of the diesel engine, which helps to start the diesel engine in a cold condition. Increasing vehicle sales is one of the major factors for growth of the spark plug and glow plug market. According to International Organization of Motor Vehicle Manufacturers, in 2017, the sales of vehicles or registration of new vehicles was 96,804,390 units up from 93,905,634 units in 2016. According to Coherent Market Insights' analysis, the sales or registration of new vehicles is expected to reach 141,303,730 units by 2025.