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CSF Audi Performance All Aluminum Radiator - B8 A4, A5, S4, S5, Q5, SQ5, C7 A6, A7


CSF’s High-Performance 2-Row Radiator is complete with precise CNC machined fittings and brackets to allow ease of installation in the complex plastic housing system. It also includes an OEM-style wire harness bracket system to secure the harness that runs across the top of the radiator.

In addition to CSF’s high-performance radiator core design, CSF has added an upgraded plate-type transmission oil cooler to the left side tank for improved transmission cooling in vehicles with automatic transmissions (comes pre-plugged for use in manual transmission vehicles).


  • 2-Row 42mm High-Performance Core Featuring CSF’s B-Tube Technology
  • Core Features Ultra Efficient 6.5mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact
  • 100% All-Aluminum TIG-Welded Construction
  • CNC Machined Mounting Brackets and OEM Style “Quick Connect” Inlet/Outlet
  • Integrated High-Performance Transmission Oil Cooler for Both Automatic and Manual Transmissions
  • Integrated OEM Style Wire Harness Brackets
  • True “Drop-in Fit” Requires No Modifications to Install
  • Individually Leak and Pressure Tested
  • 1 Hour “Mirror Finish” Hand Polish
  • 2 Year Limited Warranty


  • 2010-16 Audi (B8) S4
  • 2009-14 Audi (B8) A4 Quattro
  • 2010-14 Audi (B8) S5
  • 2008-16 Audi (B8) A5
  • 2008-14 Audi (B8) A5 Quattro
  • 2010-13 Audi A6
  • 2016 Audi A6
  • 2012-15 Audi A6 Quattro
  • 2016 Audi A7
  • 2012-15 Audi A7 Quattro
  • 2009-17 Audi Q5
  • 2014-17 Audi SQ5
  • 2015-18 Porsche Macan S & GTS

OEM/Factory Part Numbers:

  • Automatic: 8K0-121-251-AL (Audi) / 9A7 121 251 01 (Porsche)
  • Manual: 8K0-121-251-H (Audi)
More Information
Brand CSF
Stock Type N/A
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