Audi RS3 8Y Engine Oil Cooler Coolant Unit 2.5 TFSI Petrol 07K117021G

Visual condition of the part

The product shows signs of use visible in the photos.

Audi RS3 8Y Engine Oil Cooler Coolant Unit 2.5 TFSI is a specialized component from the Oil coolers and lines category, designed for 2.5 TFSI petrol engines in Audi sports models. It ensures stable operating conditions for engine oil, supporting efficient cooling and proper filtration under demanding operating conditions.

Specifications and technical data

• SKU: 07K117021G-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 07K117021G
• Substitutable numbers: 07K117021G, 07K 117 021 G
• Fuel type: Petrol
• Gearbox type: No information
• Category: Engine Oil Coolers & Lines

Function and application in the 2.5 TFSI engine

The presented oil cooler integrated with the filter housing operates within the lubrication system of the 2.5 TFSI petrol engine, responsible for controlling oil temperature and its flow through the filter element. A stable temperature of the lubricating medium reduces the risk of viscosity loss, improves protection of moving parts, and helps maintain consistent engine performance, especially in a dynamically driven Audi RS3 8Y.

This type of solution is particularly important in powerful turbocharged engines, where thermal loads are high and the oil cooling system must operate in a predictable and repeatable manner.

Construction of the oil cooling and filter housing system

The oil cooler combined with the filter housing forms a compact module that integrates several key functions: oil routing, cooling, and preparation for filtration. This design simplifies the lubrication system architecture, facilitates maintenance, and reduces the number of potential leak points.

In practice, this means:

• consistent routing of oil channels in a single assembly,
• optimized heat exchange between the oil and the cooling medium,
• easier service access to the oil filter element.

Benefits of using an original Audi component

Using an oil cooler and filter housing module sourced from Audi allows for maintaining the factory parameters of the lubrication system. Proper fitment for the 2.5 TFSI unit minimizes the risk of installation issues, leaks, or incorrect oil flow. This is particularly important in high-power vehicles, where the oil cooling system has a direct impact on engine durability.

The component from this group is designed to work with the petrol engine, ensuring compatibility with the thermal and pressure characteristics of the powertrain and predictable behavior under typical road and track conditions.

Condition, verification, and fitment

The offered module comes from the secondary market, which allows for an economical repair of the lubrication system while maintaining a component consistent with the factory solution. Before installation, it is recommended to perform a standard check of tightness, cleanliness of oil channels, and contact surfaces with the engine block and lines to ensure proper operation after installation.

When selecting an oil cooler with a filter housing for your Audi RS3 8Y, it is worth paying attention to compatibility with the engine unit and the type of equipment used to maintain full functionality of the lubrication and oil cooling system.

System expansion and technical knowledge

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 oil cooling modules, oil lines, or filter housings, check the available parts in the Audi oil coolers and lines category.

To better understand the impact of an efficient cooling system on engine longevity and the symptoms of overheating, it is worth consulting our guide: Engine cooling system – overheating, repair, and used radiators. This will allow you to consciously plan your service and select the right components for your car.