Mercedes GLK300 2016 Crankshaft Pulley: Part Number 2720300903

This listing features a genuine Mercedes GLK300 2016 crankshaft pulley, part number 2720300903. Manufactured by FEBI/ORIGINAL in Germany, this component is brand new and guaranteed to meet the highest quality standards. We offer it at the best possible price.

The crankshaft pulley is a vital part of your Mercedes GLK300’s engine. It’s a circular component with grooves designed to grip and drive accessory belts. These belts power essential systems including the alternator, power steering, turbocharger (if equipped), water pump, and air conditioning compressor. The pulley ensures smooth power transfer from the engine to the transmission, contributing to a refined driving experience. Its consistent rotational force is critical for optimal vehicle performance and speed. Over time, wear and tear can compromise its function, potentially leading to steering issues, loss of power, or even engine failure. Regular inspection and timely replacement are crucial for safe and reliable operation. Warning signs of a failing pulley might include unusual engine noises (whining or rattling), illuminated warning lights (battery or alternator), difficult steering, or malfunctioning air conditioning.

Crankshaft pulleys, also known as engine pulleys, are critical engine components. They’re secured to the crankshaft, using grooves to transmit power to vital accessories like the alternator, the power steering system pump, and the air conditioning compressor. Typically crafted from steel or aluminum, the size varies depending on the vehicle’s specifications. A retaining nut or pin secures it in place, and often a protective shield minimizes dirt and debris accumulation. Maintaining these pulleys is paramount for engine health; inspect regularly for any signs of wear, damage, or cracks, replacing as needed. A damaged pulley can cause accessory malfunctions and potentially severe engine problems.

Types of Pulleys

Auto manufacturers utilize several pulley types: The simple drive pulley, using a shaft within a moving block and supported by two rope segments, minimizes lifting loads. Compound pulleys combine fixed and drive pulleys, offering both load reduction and directional control. Fixed pulleys, using a belt on a grooved wheel, provide directional force adjustments. Cone pulleys use a stack of wheels with decreasing circumferences, allowing flexible mechanical force adjustment. Finally, block and tackle systems employ multiple fixed and movable pulleys for significant load reduction, a design concept dating back to Archimedes.

Pulley Components

A typical pulley consists of several key parts: The main body, usually round or disc-shaped, is made from durable materials like metal or high-grade plastic. Grooves on the body precisely fit the belts, cables, or chains for optimal power transmission. The pulley shaft, often metal or composite, provides the rotational axis. Finally, mounting hardware (screws, bolts, or push-fit systems) ensures secure attachment to the drive system.

Vehicle Compatibility

This crankshaft pulley is compatible with the following Mercedes models:

• 100% authentic parts, verifiable origin
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• 7-day return policy (original packaging and tags intact, uninstalled)

SONHAI Auto is a leading supplier of high-quality, competitively priced auto parts for various brands in Vietnam, including luxury European makes (BMW, Mercedes, Volkswagen, Volvo, Peugeot, Audi, Porsche), mid-range Asian brands (Honda, Toyota, Mazda, Mitsubishi, Nissan, Suzuki, Hyundai, Kia), and US brands (Ford, Chevrolet).

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