Mercedes W164 W211 W221 Fuel Distributor Rail Ramp Right O/S A6290700695

Mercedes W164 W211 W221 Fuel Distributor Rail Ramp Right O/S is an original fuel system component designed for installation on the right side of selected Mercedes models. This used, factory-spec fuel rail ensures that proper engine performance parameters are maintained while allowing for optimized repair costs without compromising on component quality. It is a solution for users who expect proven compatibility, stable fuel pressure parameters, and a perfect fit for the factory engine architecture.

Specifications and technical data

• SKU: A6290700695
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6290700695
• Substitutable numbers: 0624500213, A6290700695, A 629 070 06 95
• Location on the vehicle: Right
• Part type: Fuel Rail (Ramp)
• Category: Additional Fuel Injection Parts

Purpose and function of the fuel rail

The fuel rail in Mercedes engines is responsible for the even distribution of fuel to the injectors and the stabilization of pressure throughout the system. The right-side installation is critical for the engine's geometry and fuel line routing, which is why selecting the correct component is essential for proper engine operation. Using an original fuel rail allows you to maintain:

• proper cooperation with factory injectors and engine accessories,
• stable fuel supply parameters across the full load range,
• compliance with factory engine control unit maps.

Benefits of using an original, used Mercedes part

Choosing an original Mercedes fuel rail from the aftermarket is a reasonable compromise between cost and quality. A component sourced from a factory system disassembly:

• retains the design and parameters specified by the vehicle manufacturer,
• minimizes the risk of fitment issues and leaks,
• facilitates installation due to compatibility with standard mounts and connections. For workshops and individual users, this means seamless integration with the existing fuel injection system and a reduction in the time required for diagnostics after replacement.

Selection by part numbers and vehicle placement

Precise selection of a fuel rail for a specific vehicle should take into account the manufacturer's markings and the installation side. Information about the right-side placement helps avoid ordering errors and speeds up the service process. In practice, this translates into:

• easier identification of the correct component in catalogs,
• certainty of compatibility with the fuel line layout,
• reduced risk of needing to disassemble the system again.

Application in Mercedes fuel injection systems

This type of fuel rail operates in a demanding high-pressure environment, which is why it is important to use components of known quality and origin. This original element from the Other fuel injection system parts group is designed for long-term cooperation with other sub-assemblies, such as the high-pressure pump, lines, and injectors. If you are planning a comprehensive repair or upgrade of the fuel supply system in your Mercedes and need other components from the same group, such as additional rails, lines, or mounting hardware, check out the available parts in the Other Mercedes fuel injection system parts category.

Professional approach to selecting used parts

When working with original, used components, it is recommended to follow selection procedures based on catalog numbers and vehicle data to ensure full compliance with factory specifications. It is also good practice to compare the design of the removed rail with the newly installed component before final assembly. For users interested in a broader perspective on the quality and selection of original aftermarket parts, an article describing selection procedures, number analysis, and the impact of such components on vehicle durability may be useful – you can find a detailed discussion in the material BMW – sports performance and precision. How do original used parts extend the life of a Bavarian icon?.