Mercedes W164 Intercooler Turbo Hose Pipe Line OM629 Diesel A1645281882

Mercedes W164 Intercooler Turbo Hose Pipe Line OM629 Diesel is a component from the Lines, hoses and pipes category, designed for the turbocharging system in a diesel engine. It is responsible for a stable connection between the turbocharger and the intercooler in the front part of the vehicle, ensuring proper compressed air flow and supporting the efficient operation of the OM629 power unit.

Specifications and technical data

• SKU: A1645281882
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1645281882
• Substitutable numbers: A1645281882, A 164 528 18 82
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the turbocharging system

The described hose is intended for installation in the front part of the vehicle, in the air routing area between the turbocharger and the intercooler in a diesel engine. Its task is to maintain a leak-proof, pressure-resistant air flow channel, which has a direct impact on stable boost pressure, engine refinement, and proper throttle response.

A properly selected intercooler hose in a turbocharging system:

• reduces pressure drops on the path from the turbocharger to the intercooler,
• helps maintain the appropriate compressed air temperature,
• reduces the risk of power loss resulting from leaks or cracks,
• supports the smooth operation of the OM629 unit across the full load range.

Technical characteristics and fitment

The intercooler hose pipe has been designed specifically for the front intake system structure in Mercedes models with the OM629 diesel engine. The geometry of the component is adapted to the factory hose routing, which facilitates installation and allows for maintaining the original air system layout.

Thanks to the use of appropriately selected materials, the hose is prepared for operation in conditions typical for a turbocharged diesel engine, such as increased pressure, variable temperatures, and vibrations originating from the power unit and the chassis. Such structural fitment promotes the maintenance of connection tightness and reduces the risk of unwanted deformations during operation.

Benefits of using an original Mercedes hose

Using an original hose in the intercooler system brings a number of practical operational benefits. A component designed by the vehicle manufacturer ensures:

• precise fitment with other intake system components,
• compatibility with factory brackets, clamps, and mounts,
• stable air routing without uncontrolled turbulence,
• reduction of the risk of engine control unit errors related to incorrect boost pressure.

For the user, this means more predictable operation of the turbocharged diesel, better performance repeatability, and a lower risk of additional service interventions resulting from ill-fitting replacements. In the case of diesel units where the turbocharging system operates under significant load, hose stability and tightness are of key importance for the durability of the entire engine.

Component condition and service application

The offered intercooler hose is a used part, which makes it an attractive service solution for users looking for parts at a reasonable price while maintaining the original manufacturer's specifications. This type of component works perfectly for intake system repairs when the existing hose shows signs of wear, leaks, or mechanical damage.

Replacing the intercooler hose is particularly recommended when symptoms such as power loss, smoke, uneven engine operation, or oil leaks in the area of intake connections appear. Using an original component allows for restoring proper air flow parameters and reducing the risk of secondary faults in the turbocharging system.

Mercedes lines, hoses and pipes – expansion and system modernization

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other elements from the same group, such as intake hoses, vacuum hoses, or cooling system pipes, check the available parts in the Mercedes lines, hoses and pipes category.

For drivers interested in a broader look at elements cooperating with the intake and exhaust system in diesel engines, an article discussing the exhaust gas recirculation system and the advantages of using used components may be helpful. You can find more information in the material: EGR: what it is and why it is worth considering used EGR valves.