Mercedes-Benz M ML W163 Engine Cooling Coolant Breather Pipe Hose A1635010284

Mercedes-Benz M ML W163 Engine Cooling Coolant Breather Pipe Hose is an original cooling system component from the Lines, hoses and pipes group, designed for use in Mercedes vehicles. This used OEM part allows you to maintain the factory coolant flow characteristics, which promotes stable engine operation and reduces the risk of overheating under demanding operating conditions.

Specifications and technical data

• SKU: A1635010284
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1635010284
• Substitutable numbers: A1635010284, A 163 501 02 84, EM
• Category: Hoses, Lines & Pipes

Purpose and function of the coolant hose

The coolant hose in W163 series models is responsible for the controlled transport of coolant between key components of the cooling system. A properly selected hose ensures:

• stable flow of the cooling medium under varying engine loads,
• adequate flexibility during suspension and engine operation,
• a tight connection with the radiator and engine ports.

By maintaining the factory geometry and cross-sectional diameter, the hose does not restrict flow, which helps maintain the proper operating temperature of the engine and supports long-term, predictable vehicle operation.

Advantages of using an original Mercedes hose

Choosing an original coolant hose for the Mercedes W163 from the Lines, hoses and pipes category is a beneficial solution both technically and economically. The OEM component offers:

• factory fitment to the cooling system without the need for modifications,
• preservation of the hose stiffness and flexibility designed by the manufacturer,
• compatibility with original clamps and ports.

The used original part allows you to maintain the structural integrity of the vehicle, which is particularly important when servicing premium class cars, where predictable cooling system behavior and ease of subsequent diagnostics are essential.

Component condition and installation aspects

The offered coolant hose is in used condition, meaning it has been removed from a vehicle and verified for further serviceability. This type of part is a good choice for repair jobs where combining reasonable costs with maintaining the original manufacturer's specifications is key.

Thanks to its factory shape, the hose can be installed in place of a worn-out component without additional modifications. A properly selected hose facilitates tight connections, which reduces the risk of coolant leaks and associated failures.

Support with selection and benefits for vehicle resale

When replacing cooling system components in a Mercedes, it is worth consistently using original parts, especially in areas exposed to high temperatures and pressure. Using a used but original hose helps maintain system consistency and can positively influence the vehicle's assessment during later resale. If you want to better understand the impact of original used parts on a car's value, see the article Original used parts and resale value – how not to lose money?.

Expanding the cooling system in a Mercedes

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other components from the same group, such as additional lines, flexible hoses, or rigid pipes carrying coolant, check out the available parts in the Mercedes lines, hoses and pipes category.

Summary

Mercedes-Benz M ML W163 Engine Cooling Coolant Breather Pipe Hose is a practical service solution for users who want to maintain the factory characteristics of the cooling system at reasonable repair costs. The original hose from the Lines, hoses and pipes group ensures proper fitment, predictable performance in operation, and consistency with other system components, which promotes trouble-free engine operation in daily use.