Audi A1 8X A4 B8 A5 8T A6 C7 Oil Filter Housing Cap Screw Diesel 03L115433

Audi A1 8X A4 B8 A5 8T A6 C7 Oil Filter Housing Cap Screw is an original component from the Oil filters group, designed for Audi diesel engines. It ensures a tight seal for the filter housing, stabilizes oil flow, and supports the safe operation of the engine during daily use.

Specifications and technical data

• SKU: 03L115433
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L115433
• Substitutable numbers: 03L115433, 03L 115 433
• Fuel type: Diesel
• Part type: Oil Filter
• Category: Oil Filters

Purpose and function of the oil filter housing cap screw

The oil filter housing cap screw in a diesel engine is responsible for maintaining the tightness of the lubrication system and ensuring the correct pressure on the filter insert within the housing. In Audi A1 8X, A4 B8, A5 8T, and A6 C7 vehicles, it is crucial for maintaining stable oil pressure, which translates into protecting moving engine parts and reducing the risk of leaks. Using the correct cap screw for this group of models allows for compliance with the factory design of the lubrication system, thereby facilitating oil service and reducing the risk of issues during subsequent filter changes.

Benefits of using an original Audi cap screw

Selecting a cap screw dedicated to specific Audi models with diesel engines provides a number of practical advantages:

• secure, stable closure of the oil filter housing,
• proper guidance and compression of the filter insert,
• maintenance of lubrication system operating parameters in accordance with manufacturer specifications,
• easier removal and installation during periodic oil changes. As a result, the oil filter housing cap screw serves as a functional addition to oil service in Audi vehicles, especially where repeatability and predictability of engine performance are important.

Product characteristics and application in diesel engines

The presented cap screw is designed for power units fueled by Diesel, which means it is adapted to the specifics of higher operating pressures and temperatures typical for diesel engines. The design of the component is compatible with oil filter housings used in selected Audi models, which facilitates its integration with the existing system. The product comes from the Audi brand offer and is a dismantled part, which allows for maintaining factory fitment while reducing costs compared to new parts. This is a particularly beneficial solution for maintenance repairs where both functionality and a reasonable budget are important.

Practical installation and operating tips

When replacing the oil filter housing cap screw, it is worth paying attention to:

• the cleanliness of the socket and contact surface in the filter housing,
• the condition of the cap seal (if the design includes a separate sealing element),
• the use of the appropriate tightening torque in accordance with the service documentation for the given model. This approach minimizes the risk of leaks and allows you to fully utilize the advantages of the original component. Combined with regular oil and filter changes, this forms a solid foundation for the long-term, stable operation of the diesel engine in your Audi. 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 housings, filter inserts, or cover gaskets, check out the available parts in the Audi Oil filters category.

More about the impact of lubrication and temperature on engine life

A functional oil filter housing cap screw works with the entire lubrication and cooling system, helping to maintain stable operating conditions for the engine. If you want to better understand how temperature and the circulation of operating fluids affect engine durability, check out the article Engine cooling system – overheating, repair, and used radiators, where you will find practical tips on protecting the engine from overheating.