Mercedes W163 270 CDI Engine Cooling Radiator A1635002704

Mercedes W163 270 CDI Engine Cooling Radiator from the Water radiators category is an original cooling system component designed for Mercedes W-class W163 models with the 270 CDI engine. This used OEM part ensures factory-fit, stable operating parameters, and predictable performance in real-world road conditions. It is a practical solution for drivers who want to maintain the efficiency of their cooling system at reasonable service costs.

Specifications and technical data

• SKU: A1635000103
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1635000103
• Substitutable numbers: A1635000103, A 163 500 01 03, A1635002704, A 163 500 27 04, BG
• Category: Radiators

Purpose and function in the cooling system

The Mercedes W163 270 CDI Engine Cooling Radiator is responsible for effectively dissipating heat from the coolant, stabilizing the engine's operating temperature. A properly selected radiator supports:

• maintaining the optimal engine temperature in both city and highway driving,
• reducing the risk of overheating under heavy loads,
• consistent cooling system operation in various weather conditions.

Thanks to a design consistent with Mercedes' factory specifications, the component works seamlessly with the stock coolant pump, thermostat, and fans, without the need for any system modifications.

Original origin and compatibility

The presented radiator belongs to the group of original Mercedes components, which translates into a precise fit with body mounts and correct connection of ports and hoses. The product has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific W163 270 CDI version.

To ensure a perfect fit, it is recommended to compare the markings with your existing radiator or the vehicle's service documentation. The original design minimizes the risk of leaks, assembly issues, or interference with other engine bay components.

Condition, origin, and benefits of choosing a used part

The water radiator is offered in used condition, which allows for controlled repair costs while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for:

• maintenance repairs in older W163 units,
• limited budgets while still wanting to use OEM parts,
• quick replacement of a damaged radiator without waiting for regeneration.

A used radiator from dismantling is a reasonable compromise between price and functionality, allowing you to maintain the efficiency of the cooling system without giving up the factory Mercedes design.

Benefits of installation in a Mercedes W163 270 CDI

Using this water radiator in the W163 270 CDI cooling system provides a number of practical benefits:

• Factory fit – no need to modify mounts or hoses.
• Stable engine operation – maintaining the correct operating temperature under typical operating conditions.
• Cost-effectiveness – a favorable alternative to new aftermarket replacements while retaining the original design.

For users who want to better understand the impact of ambient temperature on the cooling system and make informed choices when selecting used parts, we recommend the following guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Cooling system service expansion and related parts

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 radiators, coolant circuit elements, or related cooling system components, check out the available parts in the Mercedes water radiators category.

When deciding between regeneration and purchasing a part from dismantling, the following guide material may also be helpful: Regenerated or used original – which part to choose for repairs?, which discusses the practical aspects of choosing used components in the context of durability and cost-effectiveness of repairs.