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

The Mercedes W163 Radiator Hose is a cooling system component from the Hoses, Tubes, and Pipes group, designed for use in Mercedes vehicles. A properly selected hose ensures stable coolant flow, which translates to safe engine operation across a wide range of loads.

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

Function and Application of the Mercedes W163 Radiator Hose

The radiator hose in the W163 model is responsible for transporting coolant between key system components, maintaining the engine's stable operating temperature. A correctly selected hose minimizes the risk of overheating, leaks, and pressure drops in the cooling circuit.

This component operates under variable thermal and pressure conditions, so its construction is adapted to Mercedes' factory specifications. Using the correct hose to replace a worn or damaged one restores proper fluid circulation and reduces the risk of engine failure.

Benefits of Using an Original Pipe in the Cooling System

Selecting a hose that meets the vehicle's factory requirements ensures:

• stable coolant flow across the full range of engine operating temperatures,
• appropriate hose flexibility while maintaining resistance to working pressure,
• correct fit for connectors and clamps in the engine bay,
• reduced risk of leaks and air ingress into the cooling system.

Thanks to this, the Mercedes W163 Radiator Hose is a functional service solution for replacing worn hoses in the cooling system, allowing for operational parameters close to factory specifications.

Component Characteristics and Vehicle Fitment

The hose belongs to the Hoses, Tubes, and Pipes group, meaning it is designed to work with operational fluids and at elevated temperatures. The hose's construction is adapted to the engine bay geometry of the Mercedes W163, facilitating installation and proper routing of the coolant path.

The product comes from the Mercedes parts line, promoting compatibility with the factory cooling system. This allows service technicians and vehicle owners to replace the hose without needing to modify other system components.

Product Condition and Service Application

The offered radiator hose is an aftermarket part, allowing for an economical replacement while maintaining the cooling system's functionality. This type of solution is often chosen for routine repairs when the existing hose shows signs of wear, cracking, or loss of flexibility.

Hose replacement is recommended in situations where coolant leaks, visible rubber cracking, or hose deformation occur. Using the correct component restores circuit integrity and helps maintain stable engine operating temperatures, which directly impacts the engine's durability.

System Expansion – Other Mercedes Cooling Hoses

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional radiator hoses, flexible return hoses, or connecting pipes, check the available parts in the Mercedes Hoses, Tubes, and Pipes category.

Technical Support and Service Knowledge

When planning work on a vehicle's systems, it is advisable to use reliable sources of technical knowledge. For a better understanding of the relationships between individual suspension components and the impact of operating temperature on driving comfort and safety, the article: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers may be helpful.