How Well Do You Know Your Car Parts? Take the Quiz!
Can you name this engine component before your guess stalls?
Correct Incorrect The piston plays a crucial role, acting like a plunger in the cylinder to create the necessary actions for a four-stroke engine. As it moves up and down in a continuous cycle, intake, compression, combustion, and exhaust happen. The piston ring at the top of the piston ensures a tight seal between the piston and cylinder wall.