Audi A3 S3 8V 1.8 2.0 TFSI Oil Filter Housing Cap Cover Trim 06L115408

Audi A3 S3 8V 1.8 2.0 TFSI Oil Filter Housing Cap Cover Trim is an original component from the Oil filters group, designed for lubrication systems in TFSI units. This precisely manufactured cap ensures a tight seal for the filter housing, stabilizes the filter element, and supports safe engine operation under variable loads. It is a practical solution for users who want to maintain factory service standards in their Audi.

Specifications and technical data

• SKU: 06L115408
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L115408
• Substitutable numbers: 06L115408, 06L 115 408
• Category: Oil Filters

Purpose and function in the lubrication system

The oil filter housing cap in TFSI engines is responsible for mechanically pressing the filter element and maintaining the tightness of the housing. A correctly selected component minimizes the risk of leaks, oil pressure drops, and uncontrolled loss of seal during engine operation.

For 1.8 and 2.0 TFSI units, using the correct cap is important for:

• maintaining stable oil pressure throughout the entire RPM range,
• proper execution of periodic filter changes,
• reducing the risk of thread damage in the filter housing.

Construction and functional features

The offered cap is designed as an OEM part for the Audi brand, which translates into precise fitment to the oil filter housing and compatibility with the torque specifications provided by the manufacturer. The design ensures stable support for the seal and even pressure around the entire circumference.

This solution allows for:

• trouble-free removal and installation during standard inspections,
• maintaining the factory geometry of the threaded connection,
• reducing stress on the filter housing during frequent oil changes.

Benefits of using an original cap

Choosing an original oil filter housing cap for an Audi A3 / S3 8V with TFSI engines primarily ensures consistency with the factory design of the lubrication system. A component designed by the vehicle manufacturer works better with the filter housing, seal, and filter element than random replacements with uncertain tolerances.

Key advantages include:

• maintaining the oil filter operating parameters specified by the manufacturer,
• reduced risk of leaks after multiple service cycles,
• easier inspection of the connection status during periodic maintenance.

Condition and service application

The item is offered in used condition, making it a sensible choice for an economical repair of the lubrication system when only the cap or the thread of the previously used component has been damaged. Replacing just the cap allows for restoring proper oil filter maintenance without interfering with other housing components.

This solution is particularly useful in situations where:

• mechanical damage to the existing cap has occurred,
• the thread shows signs of excessive wear due to improper tightening,
• it is necessary to quickly restore the tightness of the lubrication 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 housings, inserts, or covers related to the lubrication system, check the available parts in the Audi oil filters category.

Operation, overheating, and impact on engine durability

A properly functioning lubrication system works in tandem with the cooling system, and any leaks in the oil filter area can indirectly affect the operating temperature of the unit. Therefore, it is worth treating the condition of the filter housing cap as a preventive measure against more serious failures. For a broader perspective on the relationship between lubrication and engine operating temperature, you can use the advice contained in the article Engine cooling system – overheating, repair, and used radiators, which discusses practical aspects of protecting the engine from overheating.