Diesel Engine Spark Plugs An Essential Component The heart of any car is its engine, and at the heart of the engine lies the spark plug. These tiny devices play a crucial role in igniting the fuel mixture that powers your vehicle, converting the potential energy stored in gasoline into mechanical motion. Without spark plugs, your car would not start, let alone run efficiently.
Sealing principle: Since there is an oil film controlled by the oil seal edge between the oil seal and the shaft, the oil film has fluid lubrication characteristics.