CSF 7091 High-Performance Radiator for 2009-2017 Audi B8 S4/S5/Allroad/Quattro

Vehicle Fitment

• 2009-2016 Audi A4 Quattro (3.0L V6 / 3.2L V6)
• 2008-2016 Audi A5 (3.0L V6 / 3.2L V6)
• 2008-2014 Audi A5 Quattro (3.0L V6 / 3.2L V6)
• 2010-2017 Audi S4 Quattro (3.0L Supercharged V6)
• 2010-2014 Audi S5 Quattro (3.0L Supercharged V6)
• 2009-2017 Audi Q5 Quattro (3.0L V6)
• 2014-2017 Audi SQ5 (3.0L V6)
• 2015-2018 Porsche Macan S/GTS (3.0L V6)

Features

• High-performance all-aluminum radiator with CSF exclusive B-Tube technology
• 2-Row core with 42 mm thickness for enhanced cooling capacity and efficiency
• Ultra-efficient multi-louvered 6.5 mm fins for improved heat rejection
• CNC-machined quick-connect inlet/outlet connections for OEM-style fit
• CNC-machined mounting brackets for precision fitment
• Integrated high-performance transmission oil cooler for automatic transmissions
• True drop-in installation with no vehicle modifications required
• Satin finish with TIG-welded construction for durability and corrosion resistance

Specifications

• Core Type: Dual-row all-aluminum B-Tube core
• Core Thickness: ~42 mm
• Core Width: ~18.69 inches
• Core Height: ~28.38 inches
• Inlet/Outlet Connector: OEM style quick-connect
• Transmission Cooler: Integrated plate-type cooler (auto)
• Finish: Satin aluminum
• Installation: Drop-in with OE mounting points

Included Components

• 1x CSF 7091 high-performance all-aluminum radiator
• 1x Radiator drain plug
• 1x Set of CNC machined mounting brackets
• Hardware kit for drop-in installation

Product Description

The CSF 7091 High-Performance Radiator is engineered specifically for Audi B8 platform vehicles including the A4, A5, S4, S5, Q5, and SQ5, as well as select Porsche Macan S/GTS models. Featuring CSF's exclusive B-Tube core technology and a dual-row 42 mm core, this radiator delivers significant improvements in heat rejection and cooling efficiency over the factory unit - ideal for aggressive driving, towing, or high-output engines. Precision CNC-machined quick-connect fittings and brackets ensure a true drop-in fit that uses OEM hoses and mounting points without modification.

Built from 100% TIG-welded aluminum with a robust satin finish, the CSF 7091 offers durability and long-lasting performance. An integrated high-performance transmission oil cooler supports automatic transmissions, helping maintain optimal temperatures under load. Whether on the street or track, this radiator upgrade provides enhanced thermal performance and reliability compared to stock cooling systems.