Cable Wiring Mercedes W177 W247 Fuel Pump Sending Unit Plug Socket A1775404910

Mercedes W245 Fuel Pump Harness Connector Wire A1695400132 is a component from the Cables, Harnesses, and Connectors category, designed for professional servicing of the fuel system in Mercedes vehicles. It enables a secure electrical connection for the left-side fuel pump, ensuring stable system operation and proper communication with other components.

Specifications and technical data

• SKU: A1775404910
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1775404910
• Substitutable numbers: A1775404910, A 177 540 49 10
• Location on the vehicle: Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function of the Fuel Pump Harness

The presented harness with connector is dedicated to servicing the electric fuel pump in Mercedes W245 models. It is responsible for the safe transmission of signals and power, which is crucial for the correct operation of the injection system and stable engine starting.

Its placement on the left side of the vehicle allows for precise integration with the factory wiring routing, minimizing the risk of stress, abrasion, and improper installation layout.

Construction and Compatibility with the Electrical System

This harness belongs to the group of elements referred to as Cables, Harnesses, and Connectors, meaning it is designed for stable electrical and mechanical connection. The connector used allows for a secure fit onto the fuel pump, and the appropriately selected wire length facilitates routing the installation according to factory mounting points.

This type of solution is particularly beneficial for servicing vehicles where the original harness has been damaged, the insulation has melted, or there are contact issues at the connector. Using the correct wire with the appropriate connector reduces the risk of voltage drops, power interruptions, and control unit errors related to fuel pump operation.

Benefits of Using an Original Mercedes Harness

Using a component from the Mercedes offering ensures the electrical system's consistency with the manufacturer's factory standards. The most significant advantages include:

• secure fit to the fuel pump and factory installation brackets,
• maintenance of proper wire routing on the left side of the vehicle,
• reduction of the risk of incorrect connections characteristic of universal solutions,
• easier fuel system diagnostics due to compliance with the factory electrical architecture.

For workshops and users, this translates to more predictable fuel system behavior and a lower risk of service returns due to fuel pump power supply issues.

Product Condition and Service Application

The item is offered as a used part, which in practice means the possibility of economical system repair while maintaining the original harness design. This type of solution is particularly useful in intensively used vehicles where restoring system functionality while adhering to the original design is a priority.

Replacing the fuel pump harness and connector is recommended in situations where symptoms such as intermittent fuel pump operation, signs of overheating on the old connector, mechanical damage to the wire, or starting problems due to power interruptions occur.

Selection by Part Numbers and Additional Resources

Before purchasing, it is advisable to verify part compatibility using the OEM number and any interchangeable part numbers assigned to the specific vehicle configuration. Proper matching of the harness to the model and engine version helps avoid installation problems and system incompatibilities.

If you wish to deepen your knowledge on safely selecting components by manufacturer part numbers, practical verification methods, and ways to avoid mistakes when shopping online, consult the advice contained in the article Risk-Free Online Parts Shopping – 5 Proven Ways to Verify Component Compatibility.

If you are planning comprehensive servicing of the electrical system in your Mercedes and require other parts from the range of cables and connectors dedicated to this brand, check the available parts in the Mercedes Cables, Harnesses, and Connectors category.