Mercedes W906 OM651 Starter Mount Bracket Carrier Support A6511510040

Mercedes W906 OM651 Starter Mount Bracket Carrier Support is an original mounting component designed for OM651 diesel engines in W906 series models. This precision-engineered bracket ensures a stable, secure mounting of the starter motor, which translates into reliable engine starting and proper operation of the entire starting system. Thanks to its factory-spec geometry, this part is highly valued for professional repairs and servicing of Mercedes commercial vehicles.

Specifications and technical data

• SKU: A6511510040
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511510040
• Substitutable numbers: A6511510040, A 651 151 00 40
• Fuel type: Diesel
• Category: Brackets & Hardware

Purpose and function in the starting system

The starter mount bracket is responsible for accurate positioning of the starter motor relative to the flywheel ring gear. A rigid, stable seating eliminates the risk of improper meshing, excessive vibrations, and noise during diesel engine startup. In commercial vehicles, where the starter is used frequently and under heavy load, a proper bracket is crucial for the durability of both the starter and the engine housing.

This component is particularly important during:

• repairs following mechanical damage in the transmission or engine area,
• replacing the starter motor with another unit of the same specification,
• comprehensive rebuilding of the OM651 power unit in a Mercedes W906.

Benefits of using an original Mercedes bracket

Using an original bracket in the Clamps and mounting parts category ensures that factory assembly tolerances and compatibility with the engine and transmission design are maintained. In practice, this means:

• correct alignment of the starter relative to the engine,
• reduced stress on the starter housing and mounting threads,
• reduced risk of damage to the flywheel ring gear,
• easier installation and removal during future service work.

Compared to aftermarket replacements, the original bracket ensures consistency with factory service documentation and predictable performance during long-term operation of the diesel vehicle.

Condition of the used part and service application

The offered bracket is a used part, which makes it an attractive solution for cost-effective repairs of fleet and commercial vehicles. In practice, this allows for:

• lower service costs while maintaining the original mounting specification,
• consistency with the existing OM651 engine configuration in the Mercedes W906,
• rational budget planning for major engine overhauls.

Before installation, it is recommended to perform a standard verification of the contact surfaces and threads to ensure trouble-free installation and correct tightening of the mounting bolts. This is especially important in heavily used vehicles, where the starting system operates under difficult thermal and mechanical conditions.

Integration with other system components and part selection

The starter mount bracket works directly with the engine housing, the starter motor, and auxiliary components in diesel units. When planning a repair, it is worth paying attention to:

• the condition of the starter itself (play, tooth wear, housing condition),
• any signs of corrosion or deformation at the mounting point,
• selection of appropriate bolts and tightening torques in accordance with service documentation.

If you are simultaneously upgrading other vehicle components or considering broader intervention in the chassis, our blog guide may be helpful – check out the detailed comparison of stock and sport suspension and the selection of used components to better plan the scope of service work on your car.

Support with selection and further vehicle upgrades

Selecting the correct starter bracket is important not only from the point of view of reliability but also for future power unit modifications. If you are planning to improve the performance of your diesel engine in the long term, it is worth reading our tuning guide – a practical guide to increasing engine power using used parts will help you assess how to properly prepare the starting system and engine accessories for more demanding operation.

In the case of extensive repairs or upgrades to the engine mounting system, we also encourage you to browse other items in the mounting group, available in the category check other specialized mounting components matched to your Mercedes, to complete all the necessary components in one place.