Mercedes W205 Engine Support Rear Mount Holder Bracket OM651 Diesel A2052401902

The Mercedes W205 OM651 Rear Gearbox Mount Bracket is a factory-original drivetrain component designed for stable support of the rear part of the gearbox in Mercedes vehicles with diesel engines. Thanks to its precise geometry and specific fit for the drive configuration, it ensures correct load transfer and vibration reduction in the critical area between the engine and the gearbox. This solution is dedicated to users who expect consistency with the vehicle's factory construction.

Specifications and technical data

• SKU: A2052401902
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2052401902
• Substitutable numbers: A2052401902, A 205 240 19 02
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: Engine Mounts

Function and Role of the Rear Gearbox Mount Bracket

The presented rear gearbox mount bracket in the W205 model with the OM651 Diesel engine is responsible for the stable connection of the gearbox to the vehicle's body and chassis. This component works in conjunction with the Engine Mounts assembly, creating a cohesive support system for the drivetrain that:

• transfers longitudinal and transverse loads generated by the engine and gearbox,
• limits undesirable drivetrain movement during acceleration and braking,
• contributes to the reduction of vibrations and noise transmitted to the body,
• maintains the correct drivetrain geometry relative to the suspension and body.

Its placement at the rear of the gearbox means this component significantly impacts the smooth operation of the drivetrain and the durability of cooperating components such as CV joints, driveshaft, and other mounts.

Fitment for OM651 Engine and Diesel Drive

The bracket has been specifically designed for configurations with the OM651 diesel engine. This means its shape, mounting points, and rigidity are adapted to the operating characteristics of a diesel engine, which generates different vibration loads than gasoline engines. This ensures:

• the correct position of the drivetrain relative to the body is maintained,
• compatibility with factory mounting points is preserved,
• the risk of excessive wear on cooperating drivetrain components is reduced.

This structural adaptation translates into stable gearbox operation and predictable vehicle behavior under typical operating conditions.

Benefits of Using an Original Rear Bracket

Using an original rear gearbox bracket in a Mercedes W205 allows you to maintain the parameters intended by the vehicle manufacturer. In practice, this means:

• precise fit with factory mounting holes without the need for modifications,
• maintenance of the correct drivetrain alignment,
• consistency with the operating characteristics of factory engine and gearbox mounts,
• reduced risk of additional stress in the drivetrain.

For the user, this translates into more predictable vehicle behavior, reduced unwanted vibrations, and less stress on other mounting components.

Vehicle Placement and Importance for Operation

This component operates at the rear of the gearbox, an area particularly exposed to variable loads resulting from suspension operation, gear changes, and drivetrain reactions. A correctly selected and functional bracket:

• stabilizes the rear of the gearbox relative to the body,
• limits excessive drivetrain movement during sudden maneuvers,
• supports the even distribution of forces throughout the engine and gearbox mounting system.

As a result, the driver experiences smoother drivetrain operation, and cooperating components are less prone to accelerated wear.

Integration with the Mercedes Engine Mounts Category

The rear gearbox mount bracket is a natural complement to components in the Engine Mounts group, as together they form a complete support system for the engine unit. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and require other parts from the same group, such as additional mounts, brackets, or vibration damping elements, check the available parts in the Mercedes Engine Mounts category.

Why Choose a Used OEM Part

Choosing a used, original rear gearbox bracket is a solution that combines cost control with the preservation of the vehicle's factory construction. A part sourced from disassembly:

• retains the geometry and mounting points consistent with the manufacturer's design,
• is tailored to the specific platform and engine unit,
• avoids compatibility issues typical of aftermarket replacements with universal designs.

This is a practical solution for users who want to restore proper gearbox support without altering the car's original structural system.

To better plan the use of disassembled parts in your car and learn best practices for component selection, we recommend reading the guide on our blog: replacing body parts with used disassembled parts. Although the article focuses on bodywork, it discusses universal principles for assessing the quality of used components, which are also useful when selecting drivetrain parts.

Additionally, if you are interested in the broader context of using disassembled electronics and control modules in modern cars, check out the article how to care for iDrive systems and electronic modules in BMWs using disassembled parts, which shows how appropriately selected components can support long-term, stable vehicle operation.