Description
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 651955 Mercedes W906 Sprinter Bare Engine 651.955 119k miles, WARRANTY is a used, complete bare engine from the OM651 family, designed for Mercedes Sprinter W906 generation commercial vehicles. This unit belongs to a modern line of diesel engines, valued for their efficient operation, high level of refinement, and effective fuel economy. By maintaining factory specifications, it serves as an attractive base for professional repairs or engine replacement in a commercial vehicle.
Specifications and technical data
- SKU: A6510101325
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6510101325
- Substitutable numbers: A6510101325, A 651 010 13 25, A6510100825, A 651 010 08 25, A6510100506, A 651 010 05 06, A6510109905, A 651 010 99 05
- Fuel type: Diesel
- Number of cylinders: 4
- Category: Engines
- Engine code: 651955
- Mileage: 59 000
Technical characteristics of the OM651 engine
The presented engine belongs to the Engines category and represents the OM651 family, developed specifically for vehicles requiring stable torque and economical operation. The use of a diesel fuel system allows for favorable fuel consumption while maintaining adequate dynamics, which is particularly important for commercial vehicles operating under load.
The unit features a four-cylinder design that combines reasonable weight with proper block and cylinder head rigidity. This configuration promotes even load distribution, facilitates servicing, and ensures predictable drivetrain behavior during long-term fleet operation.
Application in the Mercedes W906 Sprinter
The engine was designed for installation in the Mercedes Sprinter W906, where reliability in daily work and the ability to withstand intensive use in both urban and extra-urban cycles are paramount. The OM651 design works well with the typical drivetrain configurations used in Sprinters, providing appropriate flexibility at various vehicle load levels.
Thanks to its fitment to the W906 engine bay architecture, installation is straightforward, without the need for non-factory modifications. This is important both for workshops specializing in fleet maintenance and for individual users who expect a predictable engine replacement process.
Benefits of choosing a used diesel engine
Purchasing a used diesel engine for a commercial vehicle is a solution that allows for significant cost savings compared to a brand-new unit. In the case of the OM651 family, it is particularly important that numerous service components are available on the market, which facilitates subsequent maintenance and potential operational repairs.
By choosing such an engine, you gain, among other things:
- the ability to restore full drivetrain performance without the need to invest in a new power unit,
- access to a wide base of service knowledge and spare parts,
- a reasonable compromise between cost and engine functionality.
For users who want to take a conscious approach to engine regeneration or replacement, an expert guide discussing facts and myths related to the secondary market will be helpful – detailed information can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths.
Selection by part numbers and technical parameters
The OM651 engine in the version used in the Sprinter W906 comes in several variants, so when selecting, it is crucial to compare the engine code, fuel type, and cylinder configuration with the vehicle’s factory data. In workshop practice, matching by catalog numbers and manufacturer markings is most commonly used, which minimizes the risk of incompatibility with accessories, mounts, or the fuel system.
It is recommended to verify the engine’s compatibility with a specific Sprinter version before purchase, using vehicle documentation or professional parts catalogs. This approach facilitates subsequent installation and reduces vehicle downtime, which is especially important in commercial applications.
Expansion and other Mercedes Engines
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 blocks, cylinder heads, or complete bare engines, check the available parts in the Mercedes Engines category.
This approach allows you to build a coherent set of drivetrain components based on the same design platform, which facilitates servicing and ensures predictable vehicle behavior in daily operation.






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