What component synchronizes the rotation of the crankshaft and camshaft?

The timing belt is the component that synchronizes the rotation of the crankshaft and camshaft in an engine. It plays a crucial role in ensuring that the engine's valves open and close at the correct times during each cylinder's intake and exhaust strokes. This synchronization is vital for the engine to operate efficiently and prevent internal damage.

The timing belt connects the crankshaft, which is responsible for turning the entire engine, to the camshaft, which controls the movement of the intake and exhaust valves. If the timing is off, it can lead to the valves colliding with the pistons, resulting in severe engine damage. Therefore, the timing belt must be correctly maintained and replaced at the manufacturer's recommended intervals to prevent potential issues.

In contrast, the oil pump primarily circulates oil throughout the engine to lubricate components and does not play a role in timing the crankshaft and camshaft. The timing chain also serves a similar function as the timing belt, but they are different mechanisms. The flywheel is involved in balancing the engine and aiding in smooth operation during engine cycles but does not contribute to synchronization of the crankshaft and camshaft.