BMW F10 F20 F21 F30 Vibration Damper Crank Pulley B47 Diesel Engine 7619245

Visual condition of the part

The product shows signs of use visible in the photos. BMW F10 F20 F21 F30 Vibration Damper Crank Pulley B47 Diesel Engine is a component from the Tensioners and pulleys group, responsible for the stable and quiet operation of the auxiliary equipment in a diesel engine. A properly selected vibration damper on the crankshaft pulley reduces crankshaft vibrations, improves the refinement of the B47 unit, and decreases the loads transferred to other auxiliary drive components. This is a technical solution that significantly impacts the durability and comfort of using the vehicle.

Specifications and technical data

• SKU: 7619245-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7619245
• Substitutable numbers: 11237619245, 7619245
• Fuel type: Diesel
• Part type: Timing Belt Pulley
• Category: Tensioners & Pulleys

The role of the vibration damper in the B47 diesel engine

The vibration damper on the crankshaft pulley in a diesel engine plays a key role in compensating for the uneven rotation of the crankshaft. In B47 units, used in popular BMW F-series models, this component:

• reduces torsional vibrations of the shaft, protecting the belt-driven accessories,
• stabilizes the operation of the drive system at low and medium RPMs,
• limits noise and vibrations felt in the cabin,
• supports even torque transmission to the auxiliary drive. As a result, the system of tensioners and pulleys operates under more predictable conditions, which promotes a longer service life for the belt and other components.

Benefits of using an original BMW component

Using a vibration damper from the BMW range ensures proper fitment to the characteristics of the B47 engine and compatibility with the factory auxiliary system. The original geometry and operating parameters translate into:

• proper cooperation with tensioners and pulleys in the given system,
• maintaining factory-level driving comfort,
• reducing the risk of premature wear of the accessory belt,
• stable behavior of the diesel engine across a wide range of loads. For users who expect predictable engine performance and want to maintain the vehicle's factory properties, choosing such a component is a technically sound solution.

Condition of the component and application in service practice

The offered crankshaft vibration damper is a secondary market part, which allows for an economical repair of the auxiliary drive system while maintaining proper operating parameters. In service practice, such a component is most often used in cases of:

• symptoms of excessive engine vibration at idle,
• knocking or metallic noises in the area of the front part of the engine unit,
• inspections of the accessory belt system after mileages requiring preventive replacement. Selecting a component from the correct Tensioners and pulleys group allows for maintaining the consistency of the entire system and facilitates subsequent diagnostics of potential faults.

Support in selecting used parts

When planning a repair using used parts, it is worth paying attention to the symptoms accompanying the wear of auxiliary drive elements and the scope of work that needs to be performed within the diesel engine. Additional tips on the cost-effectiveness of using secondary market components, recognizing common faults, and planning repairs can be found in the article: how to repair a car using used auto parts. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as belt tensioners, guide pulleys, or idler pulleys, check the available parts in the BMW Tensioners and pulleys category.