Audi RS3 8Y RSQ3 F3 Engine Oil Cooler Coolant Unit 2.5 TFSI Petrol 07K117021G

Audi RS3 8Y RSQ3 F3 Engine Oil Cooler Coolant Unit 2.5 TFSI Petrol 07K117021G is a factory-made lubrication system component designed to efficiently dissipate heat from the oil in powerful 2.5 TFSI petrol engines. A properly selected oil cooler stabilizes engine operating temperature, which translates into safer thermal load during dynamic driving and better component durability. This solution is particularly important in sports-oriented vehicles, where an efficient oil cooling system is crucial for reliability.

Specifications and technical data

• SKU: 07K117021G
• Mark: Audi
• Condition: Used
• OEM Part Number: 07K117021G
• Substitutable numbers: 07K117021G, 07K 117 021 G
• Fuel type: Petrol
• Category: Engine Oil Coolers & Lines

Purpose and role in the lubrication system

The presented oil cooler is part of the Oil coolers and lines category, responsible for maintaining a stable oil temperature in the petrol engine. In 2.5 TFSI units used in the Audi RS3 8Y and RSQ3 F3, thermal loads are high, which is why efficient oil cooling:

• reduces the risk of oil film overheating at high RPMs,
• supports the maintenance of proper oil viscosity across a wide temperature range,
• reduces wear on cooperating engine components,
• improves performance consistency during intensive use.

Selecting an original oil cooler for a specific engine unit is particularly important in petrol engines, where stable oil temperature directly affects engine refinement and mechanical safety.

Benefits of using an original Audi oil cooler

The original oil cooler designed for 2.5 TFSI units in Audi has been engineered for precise fitment with the factory lubrication and cooling system. In practice, this means:

• secure fit with existing lines and mounts in the engine bay,
• preservation of factory oil flow parameters and cooling efficiency,
• compatibility with engine accessories and the Petrol fuel system,
• reduced risk of leaks resulting from improper fitment of aftermarket replacements.

For users of RS3 8Y and RSQ3 F3 models, this means the ability to restore proper lubrication system operation without interfering with the vehicle's design, which is especially important in cars with a sporty character.

Characteristics of the used component

As a secondary market item, the oil cooler has been prepared for re-installation in a vehicle while maintaining the functionality required in high-power engines. The used component allows for:

• reduced repair costs compared to a new part,
• preservation of the original technical specifications of the oil cooling system,
• a rational combination of economy and care for engine operating parameters.

This is a particularly attractive solution for drivers who want to keep their car in good technical condition while controlling their service budget.

Importance for the durability of the 2.5 TFSI engine

In turbocharged petrol engines, such as the 2.5 TFSI, the oil cooler performs an important protective function. Keeping the oil within the optimal temperature range:

• reduces the thermal load on the turbocharger and timing components,
• limits oil degradation during long-distance driving at higher speeds,
• supports stable engine operation during frequent use of the full RPM range.

As a result, using a functional oil cooler is one of the key steps in preventing costly failures in powerful petrol units.

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 additional oil coolers, oil lines, or mounting elements, check out the available parts in the Audi oil coolers and lines category.

Technical support and practical knowledge

To better understand how high ambient temperatures affect the engine cooling system and why a functional oil cooler is important during the summer, it is worth checking out our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. You will find practical tips on the operation and selection of cooling components in cars with petrol engines.

If you want to reduce vehicle downtime in the workshop and efficiently select parts from a single source, the article how a wide assortment in one warehouse affects your car's repair time, which describes the benefits of using an extensive offer of used components, may also be helpful.