Audi A5 8T 2.0 TDI CSUB Crankshaft Oil Seal Cover With Sensor 04L103170E

Audi A5 8T 2.0 TDI CSUB Crankshaft Seal Ring Sensor is an original part from the Seals and Sealing Rings group, designed for operation in the front part of the engine. The product ensures system tightness and proper cooperation with the sensor, which translates into stable engine operation and reduced leaks. This is a solution for users looking for a proven, factory component for their Audi.

Specifications and technical data

• SKU: 04L103170E
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L103170E
• Substitutable numbers: 04L103170E, 04L 103 170 E
• Location on the vehicle: Front
• Category: Gaskets & Seals

Purpose and Technical Function

The presented crankshaft seal ring integrated with a sensor is a component operating in the front area of the engine. Its task is to maintain proper sealing at the junction of the shaft and the housing, and to ensure appropriate working conditions for the sensor monitoring rotational movement. Thanks to this, the lubrication system remains separated from the environment, and the engine control unit receives a stable signal.

This design solution reduces the risk of oil leaks in a critical area and helps maintain correct engine operating parameters, which is important for both engine durability and its running smoothness.

Compatibility with Audi A5 8T 2.0 TDI CSUB

The element has been designed for use in the Audi A5 8T 2.0 TDI CSUB model, taking into account the specific design requirements of this engine. Proper matching of shape, diameters, and mounting points allows for installation in place of the factory component without the need for modifications. The geometry of cooperation with the shaft and the correct positioning of the sensor relative to the measuring element are maintained.

This ensures that the user receives a part that allows restoring factory sealing and signal reading parameters, which is important for professional repairs or recreating OEM configurations.

Characteristics of the Used Part

The offered product is a used part, meaning it comes from disassembly and has been previously operated in a vehicle. Such components are often chosen when the priority is to maintain the original specification while limiting repair costs. For seals and sealing rings, it is important to verify the condition of the working surfaces and the fit to the specific engine configuration before installation.

Choosing an original part from disassembly allows for compliance with factory design solutions, which is particularly important in modern diesel engines, where sensor reading precision and system tightness directly impact control unit operation.

Benefits of Using an Original Crankshaft Seal Ring

• maintaining factory geometry of cooperation with the shaft and sensor,
• reducing the risk of oil leaks in the front part of the engine,
• stable signal for the engine control system,
• possibility of recreating OEM configuration in Audi A5 8T 2.0 TDI CSUB,
• a reasonable compromise between repair cost and the quality of the applied component.

Audi Seals and Sealing Rings – Expansion and Service

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 additional seals, sealing rings, or shaft sealing elements, check the available parts in the Audi Seals and Sealing Rings category.

Knowledge of Used Parts and Cost Optimization

When selecting used components for premium cars, it is advisable to use reliable sources of information on servicing with original disassembled parts. This allows for a better assessment of when the use of a used part is technically justified and how it affects the overall cost of vehicle maintenance. More on the conscious choice of parts from the secondary market can be found in the article Luxury within Reach – How to Service a Porsche Legend with Proven Used Parts, which discusses a practical approach to servicing higher-class cars.