Mercedes R171 Automatic Transmission Oil Cooling Line Pipe A1712702996

Mercedes R171 Automatic Transmission Oil Cooling Line Pipe is a specialized component from the Oil coolers and lines group, designed to operate within the automatic transmission lubrication system. It is responsible for the stable dissipation of heat from the transmission oil, which translates into safe drivetrain operation and reduces the risk of overheating.

Specifications and technical data

• SKU: A1712702996
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1712702996
• Substitutable numbers: A1712702996, A 171 270 29 96
• Gearbox type: Automatic
• Category: Engine Oil Coolers & Lines

Purpose and function in the drivetrain

The automatic transmission oil cooling line in Mercedes R171 models operates in the circuit between the transmission and the oil cooler. Maintaining the proper temperature of the lubricating medium is crucial for the durability of the transmission, the quality of gear shifts, and the stability of the entire drivetrain.

This component ensures:

• controlled flow of transmission oil to the cooler,
• dissipation of excess heat from inside the transmission,
• maintenance of automatic transmission operating parameters within the intended temperature range.

Benefits of using an original line

Using a cooling line dedicated to a specific Mercedes design translates into a precise fit for the factory system. Properly selected diameters, shape, and mounting points reduce the risk of leaks, facilitate installation, and allow for maintaining the factory geometry of line routing in the engine bay.

For the user, this means:

• stable oil pressure in the transmission cooling circuit,
• reduced risk of transmission overheating during stop-and-go traffic or under higher loads,
• more predictable automatic transmission operation across a wide range of operating conditions.

Technical characteristics and installation

The line has been designed to work with an automatic transmission, which means it is adapted to the higher thermal load and specific pressure requirements of this type of gearbox. The design of the line takes into account both resistance to oil temperature and the conditions prevailing in the engine bay, including vibrations and ambient temperature changes.

When replacing, it is recommended to:

• inspect the condition of the connection ports at the transmission and oil cooler,
• check the system for leaks after installation and bleeding,
• verify the level and condition of the transmission oil after completing the work.

Component condition and service application

The offered line comes from the used parts group, which allows for an economical repair of the oil cooling system while maintaining the original design specifications. This type of solution is particularly beneficial when servicing older vehicles, where both technical compatibility and reasonable maintenance costs are important.

The line will prove useful during:

• repairs after oil leaks from the transmission cooling system,
• preventive replacement of rubber and metal components exposed to corrosion or aging,
• comprehensive automatic transmission service combined with oil and filter changes.

Technical support and additional materials

During the summer, the vehicle's entire cooling system, including circuits associated with the transmission, operates under particularly demanding conditions. To better understand the impact of high temperatures on the cooling system and the possibilities of economical operation using aftermarket components, it is worth reading the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

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