Audi A4 B8 2,0 TDI Oil Suction Guide Pipe Oil Strainer Oil Pump Line 03L115169A

Audi A4 B8 2,0 TDI Oil Suction Guide Pipe Oil Strainer Oil Pump Line is a lubrication system component designed for diesel engines, responsible for the stable intake of oil from the oil pan and its delivery to the pump. By maintaining the factory geometry of the pipe, it ensures proper flow of the lubricating medium, which translates into safe operation of the power unit and reduces the risk of seizure. This solution is dedicated to users who expect a technically correct replacement of the component in their Audi with a diesel engine.

Specifications and technical data

• SKU: 03L115169A
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L115169A
• Substitutable numbers: 03L115169A, 03L 115 169 A
• Fuel type: Diesel
• Category: Other Engine Parts

Function and role of the oil suction pipe in the Audi A4 B8 2.0 TDI

The suction pipe, also known as the oil strainer, operates in the lower part of the engine, where it is responsible for drawing oil from the pan and transferring it to the pump. In 2.0 TDI units, the proper patency and tightness of this component are crucial for:

• maintaining stable oil pressure throughout the entire lubrication system,
• ensuring an adequate oil film on the bearings, camshaft, and turbocharger,
• reducing wear on cooperating friction surfaces in the diesel engine,
• decreasing the risk of oil pump aeration during dynamic driving.

A properly selected oil suction pipe helps maintain stable operating conditions for the 2.0 TDI unit, which is particularly important during highway driving and in urban conditions.

Purpose for diesel engines and technical aspects

The presented component has been designed for the lubrication system in a compression-ignition engine, where oil operates under higher thermal and mechanical loads than in gasoline units. The construction of the oil suction pipe is adapted to:

• the operating characteristics of a diesel engine, including higher torque at low RPM,
• continuous circulation of oil with increased viscosity, typical for modern TDI units,
• cooperation with the turbocharging system, which requires stable lubrication across the full RPM range.

Thanks to this, the oil suction pipe acts as a cohesive element of the lubrication system, limiting the risk of oil pressure drops and unwanted interruptions in its supply to key components.

Condition, selection, and application in service practice

The offered oil suction pipe is a used part, which allows for an economical replacement while maintaining the correct operating parameters of the system. This type of component is particularly useful in situations where:

• the existing pipe shows signs of cracks, deformations, or leaks,
• symptoms of oil pressure drop have appeared in the lubrication system,
• a repair of the lower part of the engine is being carried out and it is necessary to replace several cooperating elements.

The selection of an oil suction pipe for the Audi A4 B8 2.0 TDI should always take into account compatibility with the power unit and the parameters of the lubrication system, which is facilitated by identification via part numbers in the technical specification.

Benefits of proper oil suction pipe replacement

Replacing the oil suction pipe with the correct component brings measurable operational benefits:

• stabilization of oil pressure across the entire engine RPM range,
• reduction of the risk of damage to bearings, the crankshaft, and the turbocharger,
• more predictable behavior of the power unit during cold starts,
• limitation of costly repairs resulting from insufficient lubrication.

For Audi users who want to keep their car in good technical condition, using the appropriate oil suction pipe is an important element of service prevention.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as pipes, connectors, or additional mounting hardware, check the available parts in the Other Audi category.

Technical support and knowledge about Audi designs

For a better understanding of the structural differences between individual model lines of the manufacturer, including solutions used in lubrication and drive systems, it is worth familiarizing yourself with expert materials. A good starting point is an article discussing the differences between high-performance versions and standard models, which covers topics such as engines, brakes, and chassis – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.