Engine 651957 Mercedes Sprinter W906 Bare Engine OM651 651.957 WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Engine 651957 Mercedes Sprinter W906 Bare Engine OM651 is a factory power unit from the OM651 family, designed for Mercedes Sprinter W906 generation commercial vehicles. It is a four-cylinder Diesel engine that combines durable construction with economical operating characteristics, ensuring stable performance parameters in fleet and utility applications.

Specifications and technical data

• SKU: A6510102503
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510102503
• Substitutable numbers: A6510102503, A 651 010 25 03
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the OM651 unit

The presented engine belongs to the modern OM651 family, designed for intensive use in commercial vehicles. The four-cylinder diesel cycle layout provides a balanced compromise between dynamics and fuel consumption, which is significant in both local and long-distance transport. The design of this unit is optimized for long-term operation under variable loads, typical for the Sprinter W906.

The OM651 engine family is widely used in professional fleets due to its predictable behavior, good refinement for a diesel unit, and the wide availability of service documentation. As a result, it serves as a solid base for major repairs, short block replacements, or complete drivetrain upgrades in Mercedes commercial vehicles.

Application in Mercedes Sprinter W906

Engine 651957 Mercedes Sprinter W906 Bare Engine OM651 has been developed with the specifics of commercial vehicles in mind, where performance repeatability, stable operation under load, and the ability for long-term use with frequent starts are essential. The unit performs well in bodies with various curb weights, from light van versions to heavier configurations with specialized bodywork.

The four-cylinder diesel engine is a beneficial solution for users who expect reasonable fuel consumption while maintaining adequate flexibility in the low and mid-RPM range. This characteristic facilitates city driving, maneuvering with cargo, and maintaining a constant speed on the road without excessively straining the drivetrain.

Benefits of installing a used OEM engine

Choosing a used OEM engine for the Sprinter W906 allows for maintaining the vehicle's structural consistency and compatibility with factory control systems. The OM651 family unit is well-known to workshops specializing in the Mercedes brand, which facilitates diagnostics, service, and the potential transfer of accessories from the previous engine.

The mileage of this unit is typical for an engine removed from an operated commercial vehicle, which allows for further use after proper installation and standard service procedures. For many fleet users, this is a reasonable cost-effective solution, enabling the restoration of vehicle functionality without the need to invest in a brand-new power unit.

Preparation for installation and service recommendations

Before installation, it is recommended to perform a full service procedure in accordance with the vehicle manufacturer's guidelines, including replacing consumables, checking the lubrication system, and the cooling system. Proper preparation of the unit for operation in the vehicle minimizes the risk of improper use and allows for fully utilizing the potential of the OM651 design.

The OM651 family engine works well with the factory power unit management systems in the Sprinter W906, which facilitates integration with the existing electrical and electronic installation. For workshops, this means a predictable installation process, and for the end user – a faster return of the vehicle to work.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as blocks, cylinder heads, or complete power units, check the available parts in the Mercedes Engines category.

Expert support and additional information

For users interested in deepening their knowledge about common problems with power units in premium class cars, the guide material regarding unreliable designs may be helpful. It is worth reading the analysis of problematic engines in a popular model of the Bavarian brand, available in the article Unreliable BMW E90 engines: check what can ruin your budget!, to better understand the importance of proper selection and servicing of the power unit.

If you are interested in how the use of used OEM components affects vehicle downtime in the workshop and the total cost of repair, it is also worth reading the article Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten the stay in the workshop?, which discusses the practical aspects of using original, used components in professional repairs.