Performance Radiator for Audi S6 S7 (2013-2018) 4.0L

Direct-Fit All-Aluminum Performance Radiator for 2013-2018 Audi S6,S7

What it Does: The Performance Radiator replaces the leak-prone factory heat exchanger on the 2013-2018 Audi S6,S7 to dissipate extreme thermal loads and prevent engine overheating under high boost conditions.

The Stock Audi S6,S7 High-Temperature Degradation

The twin-turbocharged hot-vee configuration of the C7 / C7.5 platform concentrates intense heat directly inside the engine bay. The factory cooling assembly relies on composite plastic end tanks crimped onto an aluminum core via elastomer gaskets. Over prolonged thermal cycling, these crimped seams fatigue, dry-rot, and crack under system pressure—leading to catastrophic coolant loss, loss of cabin climate control, and severe engine overheating. Additionally, the OEM core density struggles to shed heat effectively during sustained performance driving or aggressive tuning profiles.

The Engineering Solution

This heavy-duty replacement utilizes 100% all-aluminum construction featuring precision TIG-welded end tanks and an advanced brazed tube-and-fin core architecture. Eliminating the failure-prone plastic tanks and crimp joints entirely, it provides superior structural integrity and burst-pressure resistance. The optimized core design maximizes surface area contact and coolant flow velocity, mitigating thermal soak and accelerating heat dissipation. Direct-fit mounting points and factory-spec quick-disconnect hose provisions ensure seamless installation into the factory core support without custom fabrication.

Technical Specifications

Compatibility

• 2013-2018 Audi S6 4.0L V8 Turbocharged
• 2013-2018 Audi S7 4.0L V8 Turbocharged

Frequently Asked Questions

Does this fit the C7 / C7.5 S6,S7?
Yes, this is a direct fit for the 2013-2018 Audi S6,S7 equipped with the 4.0T EA824 engine.

Does this radiator accommodate the factory transmission cooler lines?
Yes, all internal passages and external connection points retain OEM alignment to ensure seamless integration with the factory cooling layout.

The Audi Precision Standard

Engineered to satisfy demanding European performance standards, this cooling upgrade maintains strict OEM tolerances while preventing CEL warnings and eliminating thermal throttling on tuned or hard-driven 4.0T platforms.