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Mercedes W639 W906 OM651 Diesel Vacuum Pump A6512300565
SKU: A6512300565-2
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Used
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Mercedes W639 W906 OM651 Diesel Vacuum Pump is a specialized component of the vacuum system in diesel engines, designed for use in Mercedes vehicles. This used pump from the Vacuum pumps category is a functional solution for users looking for a proven component for diesel-powered systems.
Specifications and technical data
- SKU: A6512300565-2
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6512300565
- Substitutable numbers: A6512300565, A 651 230 05 65
- Fuel type: Diesel
- Category: Vacuum Pumps
Purpose and function in the vacuum system
The presented vacuum pump operates within the diesel engine system, generating stable vacuum pressure necessary for the operation of the brake booster, control elements, and selected vacuum actuators, among others. In diesel units such as the OM651, the reliable operation of the vacuum pump has a direct impact on driving comfort and the predictable response of the braking system.
A properly selected pump from this group of components allows for maintaining the correct operating parameters of the system, reducing the risk of brake assist failure, and ensuring the stability of other vacuum-operated components.
Benefits of using an original Mercedes vacuum pump
Using a component dedicated to a specific family of engines and bodies, such as the W639 or W906, translates into:
- precise fitment to mounts and vacuum line layouts,
- preservation of the factory operating characteristics of the braking and control systems,
- reduction of issues related to leaks and vacuum pressure drops.
A used vacuum pump of this type is an attractive cost-effective alternative to new parts, while maintaining proper functionality and compatibility with the diesel engine system. This solution is particularly beneficial for maintenance repairs where both efficiency and a rational budget are important.
Technical characteristics and compatibility
The pump belongs to the Vacuum pumps group and is designed to work with diesel-powered engines. The construction is designed for the specifics of OM651 units, which helps maintain the appropriate level of vacuum across a wide range of engine loads. As a result, the braking system and other vacuum-operated components maintain stable operating parameters both in city traffic and at higher speeds.
Selecting the pump according to the OEM part number or interchangeable numbers (visible in the technical specification) facilitates verification of compatibility with a specific vehicle configuration. This is particularly important when working with modern diesel units, where structural differences between variants can be significant.
Product condition and use in service practice
The offered pump is in used condition, which makes it an economically advantageous solution while maintaining the functionality required for daily operation. This type of component is often chosen for routine repairs when the priority is to restore the correct operation of the vacuum system without the need to invest in a brand-new element.
In service practice, installing a properly selected vacuum pump allows you to:
- reduce symptoms of a hard brake pedal resulting from insufficient vacuum,
- stabilize the operation of vacuum-controlled actuators and valves,
- limit the risk of secondary failures resulting from improper system operation.
Technical support and additional materials
To better understand the relationships between the vacuum pump, the fuel system, and other diesel engine components, it is worth reading the guide on diagnostics and component selection by OEM and VIN numbers – this is discussed in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.
If you are interested in a broader approach to choosing components from the secondary market and want to consciously use the offer of used parts, the guide Used parts – your guide to the best offers in the automotive store will be helpful, where practical criteria for evaluating and using such elements are discussed.
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 vacuum pumps, vacuum lines, or control valves, check the available parts in the Mercedes vacuum pumps category.
Delivery details
Ship to: United Kingdom
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Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in United Kingdom, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.