Mercedes W205 Gearbox Oil Cooler Hose Line Pipe A2052704200

Mercedes W205 Gearbox Oil Cooler Hose Line Pipe is an original drivetrain component responsible for the safe routing of oil between the gearbox and the cooler. It ensures stable operating conditions for the automatic transmission, which translates into efficient oil cooling and reduces the risk of overheating. This is a practical service solution for users who want to maintain the gearbox cooling system in proper working order.

Specifications and technical data

• SKU: A2052704200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2052704200
• Substitutable numbers: A2052704300, A 205 270 43 00, A2052704200, A 205 270 42 00
• Part type: Oil Cooler Hose
• Category: Oil Coolers & Lines

Function and role of the gearbox oil cooler hose

The oil cooler hose in the Mercedes W205 model operates in a demanding thermal and hydraulic environment, which is why its tightness and correct cross-section are crucial for maintaining proper oil pressure. This component:

• routes transmission oil between the gearbox and the oil cooler,
• supports the stabilization of the gearbox operating temperature,
• reduces pressure drops in the oil circuit,
• influences the smoothness of gear shifts and the durability of the transmission.

By maintaining proper oil flow, the gearbox cooling system operates in a predictable manner, which is particularly important during intensive vehicle use.

Original origin and fitment for Mercedes W205

The offered hose comes from the Mercedes brand, which means factory-perfect fitment for the gearbox cooling system in the W205 body style. The original geometry of the connections, the length of the hose, and the routing path in the engine bay ensure:

• secure fitment with existing mounts and brackets,
• compatibility with the factory oil line routing,
• no need for installation modifications or custom adapters.

Such a solution facilitates service work and reduces installation time, while allowing the oil cooling system operating parameters to remain consistent with the manufacturer's specifications.

Component condition and service application

The gearbox oil cooler hose is offered as a used part, which is a cost-effective solution while maintaining the original specification. This type of component is particularly useful in situations where:

• mechanical damage to the existing hose has occurred (cracking, abrasion, crushing),
• oil leaks are present near the connections to the cooler or the gearbox,
• replacement of the component is necessary after a collision or front-end body repair.

Using an original hose from the same model platform allows for system consistency and avoids compatibility issues typical of aftermarket replacements with imprecise fitment.

Importance of a functional gearbox oil cooling system

A functional oil cooler hose has a direct impact on the lifespan of an automatic transmission. Leaks or flow restrictions can lead to oil overheating, which accelerates the wear of internal gearbox components. A properly selected and tight hose:

• helps maintain a stable transmission oil temperature,
• reduces the risk of failures associated with overheating,
• supports the uniform operation of the lubrication and hydraulic control system.

If you want to better understand the impact of the cooling system on the durability of the powertrain and transmission, it is worth reading an article describing engine overheating and the role of oil coolers: Engine cooling system – overheating, repair, and used radiators.

Related elements from the Mercedes Oil Coolers and Hoses category

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

Summary

Mercedes W205 Gearbox Oil Cooler Hose Line Pipe is a practical service solution for drivers who want to restore the proper operation of the transmission cooling system while maintaining the original manufacturer's specification. A properly selected element from the Oil Coolers and Hoses category supports a stable gearbox operating temperature, which translates into its durability and predictable performance in daily use.