Timing Sprocket Mercedes W906 OM651 Diesel Gear Wheel Camshaft A6510520000

Timing Sprocket Mercedes W906 OM651 Diesel Gear Wheel Camshaft is an original drive system component designed for OM651 diesel engines in W906 series models. Thanks to its precise manufacturing and compliance with factory Mercedes standards, this timing sprocket ensures stable cooperation with the chain and other timing components, which translates into smooth operation of the power unit. As part of the Drive mounting parts and brackets group, it is an important element for professional maintenance and repair of the timing system in a diesel engine.

Specifications and technical data

• SKU: A6510520000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510520000
• Substitutable numbers: A6510520000, A 651 052 00 00
• Fuel type: Diesel
• Category: Drivetrain Hardware & Fasteners

Purpose and function in the timing system

The presented sprocket is a component of the timing system in the OM651 diesel engine used in the Mercedes W906. It is responsible for transferring drive from the shaft to other timing components, maintaining proper synchronization of valves and pistons. A correctly selected sprocket reduces the risk of chain skipping, uneven engine operation, or starting problems, which is particularly important in intensively used diesel units.

Benefits of using an original timing sprocket

Using an original component in the timing system brings measurable operational benefits. The sprocket is designed for the specific geometry of the OM651 engine, which ensures that it:

• provides proper meshing with the timing chain and cooperating gears,
• maintains stable timing phases across the full RPM range,
• reduces noise and vibrations transmitted by the drive system,
• supports smooth, predictable operation of the diesel engine in both urban and highway conditions.

For commercial vehicle and fleet operators, this means more predictable service maintenance and a lower risk of unplanned downtime resulting from timing system failures.

Installation characteristics and service application

As an element from the Drive mounting parts and brackets group, the timing sprocket is adapted for installation at factory mounting points, without the need for modifications or adaptations. This facilitates the mechanic's work and shortens the time required for timing system maintenance. The product is suitable both for standard timing belt/chain replacement and for more extensive power unit repairs where compliance with the manufacturer's factory specifications is required.

Why it is worth choosing an original element for a diesel engine

Diesel engines are particularly sensitive to the accuracy of the timing system. The original sprocket designed for the OM651 unit was engineered with the torque characteristics and loads typical for a diesel engine in mind. In practice, this means:

• better cooperation with the factory chain and tensioners,
• maintaining engine performance parameters in accordance with the manufacturer's specifications,
• greater predictability of unit behavior at high mileages.

For workshops specializing in the Mercedes brand, this also means greater confidence in a correct diagnosis and the durability of the performed repair.

Expanding drive system maintenance in your Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional gears, brackets, or mounting elements, check out the available parts in the Mercedes drive mounting parts and brackets category.

How to effectively collect used parts for repair

When working on the timing and drive system, it is worth thinking about the entire service project as one well-planned process. This allows you to limit the number of vehicle downtimes and optimize costs. If you want to learn how to efficiently collect original used components – from engine parts to small mounting accessories – check out our guide Comprehensive supply: from the engine to the smallest clip – how to collect used car parts in one place?, which shows a practical One-Stop-Shop approach and highlights the differences between originals and cheap replacements.