Audi S3 8V Gearbox Transmission Oil Cooler Coolant Unit 2.0 Petrol 06L117021G

Audi S3 8V Gearbox Transmission Oil Cooler Coolant Unit is an original component from the Oil coolers and lines group, designed for efficient heat dissipation from the lubrication system in a petrol engine. This used OEM part ensures factory-fit, stable operating parameters, and predictable performance in demanding road conditions. It is a practical solution for drivers who want to restore the correct oil temperature in their sporty Audi S3 8V without investing in a new component.

Specifications and technical data

• SKU: 06L117021G
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L117021G
• Substitutable numbers: 06L117021G, 06L 117 021 G
• Fuel type: Petrol
• Category: Oil Coolers & Lines

Function and role of the oil cooler in the Audi S3 8V

The oil cooler in the 2.0 petrol unit is responsible for stabilizing engine oil temperature, which directly affects the durability of components working at high RPMs. In a sports model like the Audi S3 8V, the lubrication system operates under higher loads, which is why a functional oil cooler is crucial for:

• maintaining proper oil viscosity during dynamic driving,
• reducing the risk of overheating in city and highway conditions,
• increasing the engine's resistance to long-term thermal stress.

Thanks to its factory design, the component works with the cooling and lubrication system as intended by the manufacturer, without the need for any installation modifications.

Construction and fitment for the petrol system

The presented cooler has been designed specifically for the petrol engine, which means properly selected flow channel geometry and thermal parameters adapted to the characteristics of the 2.0 unit. The OEM construction ensures:

• compatibility with factory oil and coolant lines,
• correct positioning in the Audi S3 8V engine bay,
• preservation of the original oil and coolant flow paths.

Such fitment reduces the risk of leaks and system bleeding issues, which is particularly important in high-performance vehicles.

Benefits of using an original used oil cooler

Choosing a used OEM oil cooler for an Audi allows you to combine repair cost control with the preservation of factory technical specifications. In practice, this means:

• no need for modifications to mounts or lines,
• retention of standard oil cooling parameters,
• easier diagnostics in the future due to compliance with manufacturer documentation.

For users who drive their car both in daily traffic and in a more dynamic style, a functional oil cooler is an important element in protecting the engine against excessive wear.

Intended use and installation recommendations

The oil cooler is intended for use in the Audi lubrication system with a petrol unit, where a quick replacement of a worn component with a factory-origin part is required. During installation, it is recommended to:

• check the condition of oil lines and clamps,
• replace seals at connection points,
• check the system for leaks after the engine has warmed up for the first time.

This approach allows you to fully utilize the cooler's potential and maintain stable operation of the lubrication system across the entire load range.

Cooling system expansion and technical knowledge

In higher-power vehicles such as the Audi S3 8V, the engine and oil cooling system form a cohesive unit responsible for the thermal safety of the powertrain. To better understand how ambient temperature affects the efficiency of radiators and fans, and when it is worth choosing used components, check out our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

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 coolers, oil lines, or lubrication system fittings, check out the available parts in the Audi oil coolers and lines category.