Porsche Macan 95B Gearbox Oil Cooler Hose Pipe Pressure Line 3.0 TDI 8R0317826Q

Porsche Macan 95B Gearbox Oil Cooler Hose Pipe Pressure Line is an original component from the Oil coolers and lines group, designed for precise compatibility with the automatic transmission of this model. It maintains stable pressure and oil flow between the gearbox and the cooler, supporting safe operating temperatures for the drivetrain. This solution is intended for users who expect factory-fit quality and predictable performance parameters.

Specifications and technical data

• SKU: 8R0317826Q
• Mark: Porsche
• Condition: Used
• OEM Part Number: 8R0317826Q
• Substitutable numbers: 8R0317826Q
• Category: Engine Oil Coolers & Lines

Function and role of the pressure line

This pressure line is responsible for transporting transmission oil at the correct pressure from the gearbox housing to the oil cooler. A properly functioning component:

• stabilizes oil temperature in the automatic transmission,
• reduces the risk of transmission overheating during dynamic driving,
• supports smooth gear shifting and drivetrain refinement,
• prevents pressure drops in the oil circuit.

By maintaining the factory geometry and internal diameter, the line ensures proper oil flow, which has a direct impact on the durability of the gearbox in the Porsche Macan with a 3.0 TDI engine.

Benefits of using an original Porsche line

Using an original pressure line in the gearbox oil cooling system provides measurable operational benefits:

• Factory fit – the correct length, shape, and mounting points facilitate installation in original brackets without any modifications.
• Consistency with the cooling system – the line works with the stock oil cooler, maintaining the flow parameters designed by the manufacturer.
• Reduced risk of leaks – properly selected ends and connectors minimize the risk of transmission oil leaks.
• Safe gearbox operation – maintaining the correct oil temperature translates into stable transmission performance across a wide range of loads.

For Porsche Macan owners who want to maintain consistency with factory specifications, choosing an original pressure line is a technically sound and predictable solution for long-term operation.

Component condition and service application

The offered line comes from a Porsche vehicle and is intended for service applications in the Macan model with a 3.0 TDI unit, which utilizes gearbox oil cooling via a dedicated cooler. It is suitable both for replacing a damaged line and for comprehensive maintenance of the transmission oil cooling system, e.g., after overheating or accessory upgrades.

By choosing this component, you gain a line with verified compatibility with the gearbox oil cooling system, which facilitates workshop work and reduces installation time compared to universal replacements that require custom fitting.

Technical support and parts selection

When working with the gearbox oil cooling system, it is worth remembering that its condition has a direct impact on the lifespan of the entire drivetrain. If you want to better understand how oil coolers and lines affect the operating temperature of the powertrain and what the consequences of overheating are, check out our guide: Engine cooling system – overheating, repair, and used radiators.

If you care about making an informed choice when purchasing used components and want to avoid incorrect purchases, our practical guide on parts selection may also be helpful: how to professionally select used car parts considering OEM compatibility.

Related components from the Porsche oil cooling group

If you are planning a comprehensive repair or upgrade of the oil cooling area in your Porsche and need other components from the same group, such as return lines, additional oil line sections, or connection elements, check out the available parts in the Porsche oil coolers and lines category.