Crankshaft Belt Pulley 059105251AS

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A crankshaft pulley is a key component in a car's engine system that plays a vital role in the overall functioning and performance of the vehicle. It is a disc-shaped wheel that is attached to the crankshaft of the engine, usually located at the front of the engine. The main purpose of the crankshaft pulley is to transfer power and torque from the crankshaft to various other engine components.

The crankshaft pulley operates in conjunction with the drive belt, also known as the serpentine belt or accessory belt. As the crankshaft rotates, it spins the pulley, which in turn rotates the drive belt. The drive belt is responsible for transmitting power to different engine accessories, such as the alternator, power steering pump, air conditioning compressor, and water pump. Thus, the crankshaft pulley helps drive these important components and ensures their proper functioning, enabling the car to generate electrical power, steer smoothly, and maintain a comfortable cabin temperature.