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Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE A6511503233
SKU: A6511503233
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Condition:
Used
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Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE is a specialized electrical installation component designed for diesel units, ensuring a stable connection between sensors, accessories, and the engine control unit. Thanks to its precise design in accordance with Mercedes factory standards, the harness enables the proper operation of the power supply, control, and diagnostic systems in diesel engines. This is a solution for users who expect a proven component with predictable operating parameters.
Specifications and technical data
- SKU: A6511503233
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6511503233
- Substitutable numbers: A6511503233, A 651 150 32 33, KZ
- Fuel type: Diesel
- Category: Wiring Harnesses, Cables & Connectors
Purpose and function in the engine system
Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE belongs to the group of components responsible for transmitting electrical signals between key sub-assemblies of the powertrain. In a diesel engine, the harness supports, among other things, circuits related to fuel injection, engine control, and communication with modules monitoring operating parameters.
A properly selected harness in this model configuration allows for maintaining:
- stable electrical connections in the engine bay,
- proper communication between sensors and the control unit,
- consistency of the installation with the vehicle's factory electrical architecture.
Construction and product group
The element belongs to the Cables, harnesses, and connectors category, which means it is designed to operate in the demanding environment of the engine bay, taking into account the thermal and mechanical loads typical for diesel units. The connectors used and the routing of the wires are adapted to the design of the OM651 engine, which facilitates proper installation and mounting at the original points.
In practice, this translates into:
- easier fitment to the existing vehicle installation,
- preservation of the factory wire routing logic,
- reduced risk of wire tension and abrasion during operation.
Diesel engine OM651 – application specifics
In diesel units such as the OM651, the engine harness operates in an environment with increased requirements regarding resistance to temperature and vibration. A correctly selected element from this group supports:
- stable operation of the injection system,
- correct operation of combustion control systems,
- reliable sensor readings necessary for diagnostics.
As a result, the user gains predictable powertrain behavior and the ability to perform effective diagnostics in the event of potential faults.
Performance characteristics and condition
The offered harness belongs to the Mercedes brand, which means compatibility with factory mounting geometry and the types of connectors used in this engine series. The product is in used condition, which allows for an economical replacement of the component while maintaining compatibility with the vehicle's original installation. For many users, this is a reasonable compromise between repair costs and maintaining the proper operating parameters of the engine's electrical system.
Selection, compatibility, and additional materials
When selecting an engine harness for a specific vehicle configuration, it is worth verifying compatibility with the powertrain and fuel type to avoid assembly problems and improper installation operation. It is helpful to use manufacturer markings and catalog data, which facilitates matching the element to a specific engine version.
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 power cables, sensor harnesses, or engine installation connectors, check the available parts in the Mercedes cables, harnesses, and connectors category.
Additional information on selecting used components based on manufacturer markings and methods for verifying compatibility can be found in the guide article Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it using original Audi parts, which discusses practical principles for working with catalog numbers and comparing components.
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.













