Mercedes Sprinter W906 ML W164 Diesel OM628 OM629 OM646 Vacuum Pump A6282300065

Mercedes Sprinter W906 ML W164 Diesel OM628 OM629 OM646 Vacuum Pump is a specialized vacuum pump for diesel engines, designed for stable operation of vacuum-controlled systems. This component from the Vacuum pumps category is responsible for generating the appropriate vacuum for the braking system and other actuators, which translates into safe and predictable vehicle operation. Thanks to its design tailored to Diesel OM628 and OM629 units, the pump ensures proper operating parameters under demanding load conditions.

Specifications and technical data

• SKU: A6282300065
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6282300065
• Substitutable numbers: A6282300065, A 628 230 00 65
• Fuel type: Diesel
• Category: Vacuum Pumps

Purpose and function in the vacuum system

The described vacuum pump operates within the diesel engine system, where it is responsible for creating a stable vacuum necessary for, among other things, brake assistance and the operation of control elements. In diesel units such as the OM628 and OM629, the lack of a classic throttle makes an independent vacuum pump a key component for the proper functioning of many subassemblies. A properly selected pump reduces the risk of decreased braking efficiency, unstable actuator operation, and control system errors.

Compatibility with Mercedes diesel engines

The pump has been designed to work with Diesel engines used in Mercedes Sprinter W906 and Mercedes ML W164 models with OM628 and OM629 units. This means it is matched in terms of geometry, mounting method, and operating characteristics to the specific requirements of these designs. Using a component from the Vacuum pumps category intended for a specific engine family allows for maintaining factory vacuum system performance parameters and avoiding compatibility issues.

Performance characteristics and benefits of use

As a component originating from a Mercedes vehicle, the vacuum pump is structurally adapted to the loads typical of powerful diesel units. Using a dedicated pump in the system:

• stabilizes brake booster operation during dynamic driving and frequent braking,
• provides adequate vacuum for vacuum-controlled actuators and valves,
• reduces the risk of errors related to insufficient vacuum in the system,
• facilitates maintaining correct diesel engine operating parameters across the full load range.

The used nature of the part allows for economical repair while maintaining the original design, which is particularly important in the case of complex vacuum systems in modern diesel units.

Professional selection and diagnostics

To correctly select a vacuum pump for a specific vehicle, it is worth using the manufacturer's markings, engine data, and information from service documentation. In the case of diesel systems, it is particularly important to verify compatibility with the specific engine version and accessory configuration. Good practice also involves prior diagnostics of the vacuum system – checking hoses, valves, and actuators – so that the pump replacement is part of a comprehensive repair, rather than just a temporary fix.

If you want to deepen your knowledge on the selection and operation of power supply elements and engine accessories, an article describing the operation and servicing of the fuel system, injectors, and pumps will be useful – check the material: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Expansion of the vacuum system in 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 pumps, vacuum hoses, or control valves, check the available parts in the Mercedes Vacuum pumps category.