Mercedes R172 Gearbox Oil Cooling Pipe Inlet Outlet Hose Line A6511801730

Mercedes R172 Gearbox Oil Cooling Pipe Inlet Outlet Hose Line is a component from the Oil coolers and lines group, designed for the automatic transmission lubrication system in Mercedes vehicles. This used oil line allows for an economical yet technically sound repair of the oil circuit, maintaining the factory flow characteristics and system tightness. It is a practical solution for workshops and users looking for a proven component with a design consistent with the manufacturer's original standard.

Specifications and technical data

• SKU: A6511801730
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511801730
• Substitutable numbers: A6511801730, A 651 180 17 30
• Category: Oil Coolers & Lines

Function and application of the gearbox oil line

The gearbox oil line in the Mercedes R172 model is responsible for the safe routing of the lubricating and cooling medium between the gearbox and the oil cooling system components. Stable oil flow translates into maintaining the proper operating temperature of the transmission, which is crucial for the durability of clutches, valves, and the entire control module. Using an original line from the same design group minimizes the risk of leaks, pressure drops, and improper cooling.

Benefits of using an original Mercedes line

Choosing an oil line sourced from a Mercedes vehicle ensures compatibility with the factory geometry of the oil line routing, which facilitates installation and helps avoid stress on the connections. The properly selected internal diameter and characteristics of the line support correct system pressure, which is essential for the smooth operation of the automatic transmission. A used component of this class is a reasonable compromise between repair costs and maintaining performance parameters similar to factory-fitted solutions.

Condition, verification, and preparation for installation

The item is offered as a used part, which in practice means it comes from disassembly and has been verified for suitability for further use. Before reinstallation, it is worth checking this type of oil line for any signs of corrosion on the connectors, the flexibility of rubber sections, and internal cleanliness to ensure trouble-free operation of the lubrication system. Thanks to the original design, installation is predictable, without the need to modify the line routing.

Integration with the oil cooling system and service knowledge

The gearbox oil line is an integral part of the system in which oil coolers and other lines responsible for stabilizing the medium temperature also operate. A properly functioning oil circuit reduces the risk of transmission overheating, which is especially important during intensive use or driving in high ambient temperatures. If you want to better understand the impact of temperature on the cooling and lubrication system, as well as learn about potential savings when using second-hand components, check out the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

System expansion and selection of other components

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

For users who want to consciously use the used parts market and avoid common mistakes when selecting components, the article Buying used car parts – the most common mistakes when choosing tuning parts, which discusses the practical aspects of selecting components from disassembly, may also be helpful.