Engine parts are the components that work together to convert fuel into mechanical energy, powering vehicles and machinery. Key parts include the cylinder, where fuel and air mix; the piston, which moves up and down to create power; and the crankshaft, which transforms this motion into rotational energy. Other important engine parts include the valves, which control the flow of air and fuel into the cylinders, and the spark plug, which ignites the fuel-air mixture. The camshaft regulates the timing of the valves, ensuring efficient engine operation. Together, these parts enable the engine to function effectively.