Audi Q5 8R Automatic Gearbox Transmission Oil Pipe Line 2.0 TDI CGLB 8R0317825D

Audi Q5 8R Automatic Transmission Oil Line 2.0 TDI CGLB is an original drivetrain component designed for use with an automatic transmission. It is responsible for the secure and stable routing of transmission oil between the gearbox and the cooling system, which directly impacts the durability and smooth operation of the transmission. This solution is dedicated to the specific powertrain configuration of the Audi Q5 8R generation.

Specifications and technical data

• SKU: 8R0317825D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8R0317825D
• Substitutable numbers: 8R0317825D, 8R0 317 825 D
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Function of the Oil Line in an Automatic Transmission

The oil line in an automatic transmission is responsible for transporting the working fluid between the transmission and the oil cooler. Maintaining proper oil flow and pressure is crucial for:

• stable operation of the transmission's hydraulic system,
• maintaining optimal transmission oil temperature,
• reducing wear on friction elements and control valves,
• protecting the transmission from overheating in urban and highway conditions.

A well-matched oil line, working in conjunction with the vehicle's Oil Coolers and Lines, helps maintain transmission operating parameters in line with the manufacturer's specifications.

Intended Use and Compatibility

The presented oil line has been designed for the specific powertrain configuration of the Audi Q5 8R generation with the 2.0 TDI diesel engine, designated CGLB. The line's construction is adapted to:

• the geometry of the engine bay in this model,
• the mounting points of the factory oil cooling system,
• the pressure requirements of the automatic transmission.

This ensures a streamlined installation process, without the need for modifications to the line's routing or interference with other components.

Benefits of Using an Original Audi Oil Line

Using a line from the Audi group ensures the preservation of the system's original operating parameters. In practice, this means:

• appropriately selected line diameter and internal cross-section,
• proper resistance to operating oil temperature and pressure,
• compatibility with factory connectors and mounting points,
• consistency with other components in the Oil Coolers and Lines system.

Such a precise fit minimizes the risk of leaks, pressure drops, or improper transmission cooling, which is particularly important for long-distance driving.

Performance Characteristics and Item Condition

The offered oil line comes from a used vehicle, allowing for its cost-effective use as a replacement part. A used component of this type is often chosen in situations where:

• the existing line has suffered mechanical damage or corrosion,
• oil leaks are present around the line's connections,
• repair of the transmission oil cooling system is necessary after a collision or service intervention.

A correctly chosen oil line allows for the restoration of proper working fluid circulation and reduces the risk of costly automatic transmission failures.

Expansion and Service of the Audi Oil Cooling System

If you are planning a comprehensive repair or upgrade of the oil cooling system in your Audi and require other components from the same group, such as additional oil lines, return sections, or cooler connection elements, please check the available parts in the Audi Oil Coolers and Lines category.

When working on transmission oil flow, it is also advisable to ensure the overall condition of the vehicle's cooling system. More practical information on the impact of operating temperature on the durability of the powertrain and related components can be found in the article Engine Cooling System – Overheating, Repair, and Used Coolers.