Audi A5 8T Diesel Oil Filter Housing Engine Cover Cap 057115373B

Audi A5 8T Diesel Oil Filter Housing Engine Cover Cap is a lubrication system component designed for diesel engines, ensuring stable mounting of the filter cartridge and proper oil flow. Thanks to the factory Audi design, the housing maintains the correct geometry of oil channels, which promotes even lubrication of the power unit. This is a practical solution for users who want to restore the proper operation of the oil system without investing in a new component.

Specifications and technical data

• SKU: 057115373B
• Mark: Audi
• Condition: Used
• OEM Part Number: 057115373B
• Substitutable numbers: 057115373B, 057 115 373 B
• Fuel type: Diesel
• Category: Oil Filters

Purpose and function in the lubrication system

The oil filter housing in the Audi A5 8T Diesel model is responsible for the tight seating of the filter and guiding the oil between the engine block and the filter cartridge. A correctly selected component of this type:

• maintains the appropriate oil pressure in the lubrication rail,
• ensures stable mounting of the filter during engine operation,
• reduces the risk of leaks at the junction of the filter and the engine body,
• supports even oil cooling through proper medium flow.

For diesel engines operating under higher loads, a functional oil filter housing is essential for the durability of the bearings, turbocharger, and other oil-lubricated components.

Benefits of using an original Audi housing

Using a factory housing from the Oil filters group allows for maintaining compliance with the vehicle manufacturer's design. In practice, this means:

• precise fit to the mounting sockets in the Audi A5 8T engine,
• preservation of the original oil channel geometry,
• compatibility with oil filter cartridges specified by the manufacturer,
• reduction of the risk of leaks resulting from inaccurate fitment of aftermarket replacements.

A used OEM component is a reasonable choice for drivers who want to maintain the correct operating parameters of the lubrication system while optimizing service costs.

Condition, installation, and service application

The oil filter housing is offered in a used condition, which allows for an economical replacement of a damaged or leaking component. Before installation, a standard service procedure is recommended, including:

• inspection of the contact surface with the engine block,
• replacement of seals in accordance with the manufacturer's recommendations,
• checking the threads and mounting points of the oil filter,
• flushing the oil channels to remove any potential contaminants.

A housing prepared in this way can be included in the standard periodic maintenance process, e.g., during an oil and filter change, restoring the proper tightness and functionality of the system.

Importance for diesel engine durability

In diesel engines, where thermal and mechanical loads are higher, a stable lubrication system has a direct impact on the engine's lifespan. A functional oil filter housing helps maintain proper oil pressure and cleanliness, which translates into:

• less wear on moving parts,
• better protection of the turbocharger,
• reduced risk of seizure at high mileages,
• more predictable engine behavior over a long period of operation.

For users who want to deepen their knowledge about the impact of lubrication and cooling on the lifespan of the power unit, the following article will be helpful: Engine cooling system – overheating, repair, and used radiators.

Service expansion 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 filter bodies, filter bases, or mounting elements, check the available parts in the Audi oil filters category.