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Audi RS4 B8 Gearbox Cooler Oil Transmission Cooling Radiator 4.2 TFSI 8K0117021B
SKU: 8K0117021B
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Audi RS4 B8 Gearbox Cooler Oil Transmission Cooling Radiator is a specialized drivetrain component designed to stabilize transmission oil temperature in high-performance gasoline engines. Thanks to its precise OEM design and perfect fit for the 4.2 TFSI engine requirements, this component ensures consistent transmission operating conditions even during dynamic driving.
Specifications and technical data
- SKU: 8K0117021B
- Mark: Audi
- Condition: Used
- OEM Part Number: 8K0117021B
- Substitutable numbers: 8K0117021B, 8K0 117 021 B
- Fuel type: Petrol
- Category: Oil Coolers & Lines
Purpose and technical function
The presented Audi RS4 B8 Gearbox Cooler Oil Transmission Cooling Radiator is a part of the Oil coolers and lines group, dedicated to Audi drivetrains with gasoline engines. Its task is to effectively dissipate heat from the transmission oil, which reduces the risk of overheating, oil viscosity drop, and accelerated wear of internal transmission components.
Stable transmission oil temperature translates into:
- more consistent transmission performance under high load,
- reduced risk of oil losing its lubricating properties,
- better protection of gears, bearings, and seals,
- greater system resistance to prolonged high-speed driving.
Benefits of using an original oil cooler
The original Audi RS4 B8 Gearbox Cooler Oil Transmission Cooling Radiator has been designed with the specific loads of the 4.2 TFSI unit in mind, which ensures proper oil flow characteristics and optimal heat exchange surface. In practice, this means that the oil cooling system operates within the parameters specified by the vehicle manufacturer.
Key advantages of this solution include:
- factory fitment for mounting systems and oil lines,
- preservation of the original transmission cooling concept,
- compatibility with other Audi drivetrain components,
- suitability for repairs in accordance with manufacturer guidelines.
Performance and installation characteristics
The component comes from a gasoline-powered vehicle, which is important when selecting parts for specific engine versions. The cooler's design is prepared for integration with the factory oil line system and mounts, which facilitates installation in place of a worn or damaged unit.
In practice, the installation involves:
- removing the old cooler from the transmission system,
- checking the condition of oil lines and mounting points,
- installing the presented component while following procedures for bleeding and refilling the transmission oil.
This approach allows for restoring stable thermal operating conditions for the transmission without interfering with the vehicle's design.
Why consider a used oil cooler?
A used Audi RS4 B8 Gearbox Cooler Oil Transmission Cooling Radiator is a solution that allows you to reduce repair costs while maintaining the original technical specification. Compared to aftermarket replacements of unknown origin, the OEM component provides predictable flow and cooling parameters, which is particularly important in powerful gasoline units.
If you care about combining reasonable service costs with maintaining the factory drivetrain concept, such a component represents a balanced compromise between durability and price. A properly selected transmission oil cooler also helps reduce the risk of secondary damage resulting from transmission overheating.
Cooling system expansion and technical knowledge
When working on oil and coolant systems, it is worth considering the impact of high temperatures on the entire powertrain. During the summer season, it is particularly important to maintain the efficiency of radiators, fans, and components responsible for heat dissipation. More practical tips on this topic can be found in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, where the relationship between ambient temperature and cooling system operation in a car is discussed.
If you are planning a comprehensive repair or upgrade of the transmission oil lubrication and cooling area in your Audi and need other elements from the same group, such as additional coolers, oil lines, or mounting hardware, check out the available parts in the Audi Oil coolers and lines category.
Delivery details
Ship to: United Kingdom
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Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in United Kingdom, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.