Mercedes R172 Transmission Oil Cooler Line Pipe Left Right N/O/S A1722700227

Mercedes R172 Transmission Oil Cooler Line Pipe Left Right is an original drivetrain component designed for the precise routing and drainage of transmission oil. Thanks to its factory-spec geometry and perfect fit for the R172 body, it ensures stable operating pressure and the proper functioning of the automatic transmission. This is the ideal solution for users who expect consistency with the factory oil cooling system design in their Mercedes.

Specifications and technical data

• SKU: A1722700227
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1722700227
• Substitutable numbers: A1722700227, A 172 270 02 27, A1722700127, A 172 270 01 27
• Location on the vehicle: Right, Left
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Purpose and function in the oil cooling system

The offered pipe belongs to the Oil coolers and lines group and is responsible for transporting transmission oil between the transmission and the oil cooler. A correctly selected component in this section is crucial for:

• maintaining the proper operating temperature of the automatic transmission,
• ensuring adequate oil flow within the cooling circuit,
• reducing the risk of overheating and decreasing the durability of transmission components. The element has been designed specifically for the Mercedes R172 architecture, which translates into proper routing of the pipe within the engine bay and chassis, without interference with other components.

Vehicle placement and fitment

The transmission oil cooler line pipe in this version is adapted for installation on the right or left side of the vehicle, in accordance with the factory line layout in the R172 model. This solution facilitates:

• maintaining the original oil line routing,
• proper mounting in existing brackets and attachment points,
• servicing and diagnostics of the oil cooling system without the need for system modifications. Thanks to its compatibility with the factory body and powertrain design, installation is predictable, and the risk of leaks resulting from improper pipe positioning is minimized.

Technical characteristics and benefits of use

As an original component for the Mercedes brand, the Mercedes R172 Transmission Oil Cooler Line Pipe has been designed taking into account requirements regarding operating pressure, temperature resistance, and compatibility with the transmission oil used in this model. In practice, this means:

• an appropriate internal diameter ensuring proper oil flow,
• a construction adapted for operation at elevated temperatures in the engine bay,
• maintaining a seal after proper installation on factory connectors. Using a pipe that complies with the manufacturer's design helps maintain stable transmission operating conditions, which influences shift quality and the longevity of the entire drivetrain.

Component condition and service application

The offered pipe belongs to the group of used parts, making it an attractive alternative for service repairs where the priority is to maintain the original design while optimizing costs. This type of component is particularly useful when:

• the existing pipe shows signs of corrosion or mechanical damage,
• leaks have appeared in the oil cooling system in the area of the lines,
• it is necessary to replace the element after a collision or interference with the drivetrain. Before installation, it is recommended to perform a standard check of connection tightness and verify the condition of other oil cooling system components.

Technical support and additional materials

To better understand the impact of an efficient cooling system on the durability of the powertrain and transmission, it is worth reading the guide on diagnostics and operation of cooling systems, available in the article Engine cooling system – overheating, repair, and used radiators. You will find practical tips there regarding the role of oil coolers in protecting drivetrain components. If you are planning a comprehensive repair or upgrade of the oil cooling area in your Mercedes and need other elements from the same group, such as oil lines, oil coolers, or additional return lines, check the available parts in the Mercedes oil coolers and lines category.