Mercedes-Benz M-Class W164 Oil Transmition Gearbox Cooler Radiator A0005010665

Mercedes-Benz M-Class W164 Oil Transmition Gearbox Cooler Radiator is an original component from the Oil coolers and lines group, designed for efficient heat dissipation from the automatic transmission. Thanks to its factory design, it ensures a stable operating temperature for the gearbox, which translates into smoother gear shifts and a longer service life for the entire drivetrain.

Specifications and technical data

• SKU: a0005010665
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0005010665
• Substitutable numbers: A0005010665, A 000 501 06 65, A1645002500, A 164 500 25 00, KZ
• Category: Engine Oil Coolers & Lines

Purpose and function in the drivetrain

The presented transmission oil cooler is dedicated to the Mercedes-Benz M-Class W164 generation models, where it is responsible for maintaining the proper transmission oil temperature. Stable cooling reduces the risk of overheating, decreases the load on friction elements, and supports the maintenance of predictable gear shifting characteristics under various road conditions.

Thanks to a design consistent with factory Mercedes standards, this component works with the original oil lines and other transmission cooling system components, which facilitates installation and helps maintain the integrity of the entire system.

Benefits of using an original oil cooler

Using an original oil cooler in a Mercedes-Benz M-Class W164 brings a number of practical operational benefits:

• maintaining a stable transmission oil temperature in typical city and highway driving conditions,
• reducing the decline in gearbox performance under prolonged loads,
• better fitment with the vehicle's factory cooling system,
• preservation of the original operating characteristics of the automatic transmission.

Choosing a component from the Oil coolers and lines group that complies with factory design specifications helps maintain predictable service costs and reduces the risk of problems resulting from mismatched aftermarket replacements.

Product characteristics and condition

The offered Mercedes transmission oil cooler is classified as a used part, meaning it has been removed from a vehicle and is intended for further use after proper installation. This type of solution is often chosen for vehicles used on a daily basis, where a reasonable balance between repair costs and maintaining the original technical specification is important.

The original Mercedes origin promotes compatibility with the factory mounting system and oil connections, which facilitates workshop work and shortens replacement time. For the user, this means a more predictable service process and a lower risk of needing additional modifications.

Part selection by numbers and system integration

The cooler has a dedicated OEM part number and interchangeable numbers, which facilitates precise identification of the component for a specific Mercedes-Benz M-Class W164 configuration. This allows you to verify compatibility with your vehicle, minimizing the risk of choosing an incorrect component.

The element is designed to work with the transmission oil system, including the lines supplying and discharging the cooling medium. A properly selected oil cooler supports even heat distribution and helps maintain transmission operating parameters within the range specified by the vehicle manufacturer.

If you are planning a comprehensive repair or upgrade of the transmission oil cooling area in your Mercedes and need other elements from the same group, such as additional coolers, oil lines, or connectors, check out the available parts in the Mercedes Oil coolers and lines category.

Operation in demanding conditions and technical knowledge

In the case of vehicles such as the Mercedes-Benz M-Class W164, often used with a trailer, off-road, or on long routes, an efficient transmission oil cooling system is essential for the durability of the gearbox. High ambient temperatures, driving in traffic jams, or dynamic acceleration increase thermal load, which is why a properly selected oil cooler is an important element of service prevention.

To better understand the impact of temperature on the cooling system and the cost-effectiveness of using used components, it is worth checking our guide: Summer heat vs. cooling system: used coolers and fans as a guarantee of savings. You will find practical tips there regarding the operation and selection of cooling elements.

If you are interested in a broader perspective on original used parts for popular models, the following guide may also be helpful: The best used car parts – a guide to the most frequently chosen original parts, which will allow you to better plan future repairs and upgrades for your car.