Audi S4 (2008-2026) B8/C7 CSF High-Performance Radiator

The CSF #7091 is a direct-fit, all-aluminium high-performance radiator for the Audi B8 S4 and related B8/C7 models. It upgrades the factory cooling system with a 2-row 42mm core and integrated transmission oil cooler, installing as a true drop-in replacement with no modifications required.

Key Features

• 2-row 42mm core with CSF B-Tube technology
• 6.5mm multi-louvered fins for maximum surface area
• 100% all-aluminium TIG-welded construction
• Integrated transmission oil cooler (auto and manual)
• CNC-machined brackets with OEM-style quick-connect inlet/outlet
• True drop-in fit, individually leak and pressure tested

Vehicle Compatibility

Compatibility: Audi S4 (B8, C7) 2008-2026; Audi S5 (B8, C7) 2008-2026; Audi A4 (B8, C7) 2008-2026; Audi A5 (B8, C7) 2008-2026; Audi A6 (B8, C7) 2008-2026. Confirm your exact build or chassis code with our team before ordering.

Why Buy from Euroflow

Euroflow supplies genuine CSF Radiators performance parts with fast, free Australia-wide shipping and expert fitment advice. Questions on compatibility? Contact our team before you buy.