Mercedes W245 Oil Cooling Line Pipe Thermostat A1695010165

Mercedes W245 Oil Cooling Line Pipe Thermostat is a specialized component of the oil cooling system, designed for vehicles with an automatic transmission. It is responsible for the stable routing of the cooling medium and proper interaction with the thermostat, which translates into safe oil operating temperatures and the durability of drivetrain components. This used component from the original Mercedes line is a practical service solution for informed users.

Specifications and technical data

• SKU: A1695010165
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1695010165
• Substitutable numbers: A1695010165, A 169 501 01 65
• Gearbox type: Automatic
• Category: Engine Oil Coolers & Lines

Purpose and function in the oil cooling system

The described oil cooling line with an integrated thermostat operates within the lubrication system, where it is responsible for directing oil flow through the cooler depending on the operating temperature. This allows the oil to reach optimal viscosity parameters, and the components of the automatic transmission and engine are better protected against overheating and excessive wear.

In practice, this means:

• stabilization of oil temperature across a wide range of operating conditions,
• more predictable automatic transmission performance,
• reduced risk of oil pressure drops under high loads,
• support for long-term, consistent operation of the powertrain.

Benefits of using an original Mercedes component

The original oil cooling line with thermostat was designed for the specific architecture of the Mercedes W245 drivetrain, ensuring proper geometric fit and compatibility with factory mounting points. The lack of need for installation modifications, properly selected connection diameters, and compliance with factory flow parameters translate into reliable oil cooling system operation after installation.

A used OEM component also means:

• preservation of the factory thermostat operating characteristics,
• consistency with the original oil cooler and other lines,
• reduced risk of leaks resulting from the poor fit of aftermarket replacements.

Compatibility with automatic transmission

In vehicles with an automatic transmission, the oil cooling system is of particular importance, as it is responsible not only for engine protection but also for the stable operation of the transmission. This line with thermostat has been configured to work with an automatic transmission, which helps maintain the proper temperature of the lubricating medium across the entire load range. As a result, gear shifts are more consistent, and the internal components of the transmission operate under the conditions intended by the manufacturer.

Practical installation and maintenance tips

When replacing the oil cooling line with thermostat, it is recommended to check the condition of other system components – the oil cooler, other lines, and quick-connect fittings. Proper installation, system bleeding, and the use of oil with the specifications recommended by the vehicle manufacturer allow you to fully utilize the potential of this component and reduce the risk of overheating in city conditions and during highway driving.

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

Technical support and operation in high temperatures

The oil cooling system in modern vehicles operates under high load, especially in the summer when ambient temperatures and the thermal load on the powertrain increase. To better understand the impact of high temperatures on the entire cooling system and to plan maintenance consciously, it is worth checking our guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. This will make it easier for you to assess when replacing the oil cooling line with thermostat is justified as a preventive measure, and when it is a response to specific symptoms of overheating.