Audi Q5 FY Oil Return Hose Pipe Line 2.0 TFSI 06L145735H

Audi Q5 FY Oil Return Hose Pipe Line 2.0 TFSI is an original component from the Oil coolers and hoses group, designed for the lubrication system in 2.0 TFSI units. Engineered by the vehicle manufacturer, it ensures proper oil return from engine components, which promotes stable engine operation and reduces the risk of leaks.

Specifications and technical data

• SKU: 06L145735H
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L145735H
• Substitutable numbers: 06L145735H, 06L 145 735 H
• Category: Engine Oil Coolers & Lines

Purpose and function of the oil return hose

The oil return hose in the Audi Q5 FY with a 2.0 TFSI engine is responsible for the safe drainage of oil from lubrication system components back to the oil pan or the appropriate channel in the engine block. A correctly selected and leak-free hose:

• stabilizes pressure in the lubrication system,
• reduces the risk of air entering the oil circuit,
• minimizes the possibility of leaks in the engine area,
• supports the maintenance of proper oil temperature in cooperation with components from the Oil coolers and hoses group.

Thanks to a design consistent with factory specifications, the hose maintains the correct shape, diameter, and routing, which facilitates installation in the engine bay and helps avoid stresses that could lead to cracks or abrasions.

Benefits of using an original Audi component

Choosing an oil return hose from the Audi range means a perfect fit for factory mounting points and compliance with the operating parameters of the 2.0 TFSI unit. In practice, this translates into:

• secure fitment with other lubrication system components,
• maintenance of the flow capacity designed by the manufacturer,
• reduced risk of leaks at connections and fittings,
• easier diagnostics of potential future faults.

The original hose from the Oil coolers and hoses group is adapted to the thermal and pressure conditions present in the 2.0 TFSI engine, which promotes long-term, predictable operation.

Used condition and installation aspects

The item is offered in used condition, which allows for an economical repair of the lubrication system while maintaining factory specifications. Before installation, it is recommended to:

• visually inspect the surface of the hose for abrasions and micro-cracks,
• check the sockets and ends for any deformations,
• replace seals and clamps if required by the vehicle manufacturer.

It is good practice to install the hose in accordance with Audi service documentation, maintaining the correct sequence of disassembly and assembly of components in the engine bay. This helps avoid twisting or excessive bending of the hose, which could restrict oil flow.

Technical support and further information on cooling and lubrication

The lubrication system and cooling system in modern TFSI units are closely linked – proper oil circulation affects heat dissipation from key components. If you want to better understand how engine operating temperature affects component durability and how to wisely use second-hand parts, it is worth checking out the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Expanding service within the Audi oil system

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as oil lines, oil coolers, or lubrication system fittings, check out the available parts in the Audi oil coolers and hoses category.