Mercedes W204 X253 Petrol M274 High Pressure Pump Cover Housing A2740920134

The Mercedes W204 X253 Gasoline M274 Fuel Pump Cover is an original protective component for the fuel system, designed for M274 series gasoline engines in Mercedes vehicles. It provides stable shielding for the fuel pump against dirt, moisture, and mechanical damage, contributing to the safe and consistent operation of the injection system. A used OEM part is a sensible choice for users who want to maintain the factory engine design while managing service costs.

Specifications and technical data

• SKU: A2740920134
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740920134
• Substitutable numbers: A2740920134, A 274 092 01 34
• Fuel type: Petrol
• Category: Additional Fuel Injection Parts

Function and Role of the Fuel Pump Cover

The fuel pump cover in the M274 gasoline engine primarily serves as a mechanical protective barrier for the precision components of the injection system. It protects the pump body and connections from:

• contaminants from the engine bay (dust, fine particles, road salt),
• splashes of water and oil,
• accidental impacts during service work.

This reduces the risk of accelerated pump wear, leaks, and disruptions in the gasoline fuel supply system, which is crucial for the stable operation of the M274 unit in Mercedes W204 and X253 models.

Compatibility with M274 Unit and Gasoline System

The presented cover is designed for the specific geometry of the M274 gasoline engine and the layout of components in the engine bay of selected Mercedes models. This means:

• shape matching the factory position of the fuel pump,
• maintaining adequate clearance for lines, connectors, and mountings,
• compatibility with gasoline-based fuel supply systems.

Such a fit facilitates installation without modifications and preserves the original engine bay architecture, which is important for both durability and subsequent serviceability.

Characteristics of a Used Part

The fuel pump cover offered as a used part allows for economical repair of the injection system while maintaining the original manufacturer's specifications. In practice, this means:

• retention of factory mounting points and component routing,
• consistency with other injection system components,
• the ability to replace a damaged cover without altering the engine structure.

Choosing a used OEM part is particularly beneficial for post-accident repairs, replacements after mechanical damage, or restoring a vehicle to its factory design.

Support with Selection and Integration with Other Components

The fuel pump cover belongs to the group of Other Injection System Parts, meaning it works in conjunction with a range of components responsible for precise fuel delivery. When planning a repair, it's advisable to check the condition of adjacent elements, such as lines, connectors, or mounting brackets, to avoid repeated disassembly in a short period.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional covers, brackets, or fuel system supports, check the available parts in the Other Mercedes Injection System Parts category.

Repairs with Used Parts and Operational Quality

Using used OEM parts, such as the fuel pump cover, is a proven practice in service centers specializing in premium vehicles. With the right component selection, a favorable compromise between repair cost and durability can be achieved, while maintaining compliance with the vehicle's factory design.

If you are interested in a broader context of using second-hand parts in premium cars and want practical tips on selecting and operating such components, read the article Audi on Second-Hand Parts – Tuning and Repairs Without Quality Loss, which discusses the approach to used components in modern designs.