034Motorsport Radiator Upgrade, B9/B9.5 Audi S4/S5, RS4/RS5 & C8 S6/S7

If you drive your B9/B9.5 Audi S4/S5, RS4/RS5, or C8 S6/S7 on track, push it hard on backroads, or simply want to ensure your EA839 2.9T or 3.0T stays cool no matter the conditions, the 034Motorsport Radiator Upgrade is the ideal solution to regulate your engine’s coolant temperature and maintain peak performance.

The 034Motorsport Radiator Upgrade is engineered to replace your factory radiator with a larger, more efficient radiator designed and manufactured by 034Motorsport. This upgrade ensures improved cooling capacity and seamless integration with your vehicle’s existing cooling system, making it the perfect enhancement for vehicles subjected to demanding driving conditions. 

Additional Cooling Upgrades for B9/B9.5 Audi S4/S5:

When looking to further improve the cooling performance of your Audi B9 S4/S5, consider pairing the 034Motorsport Radiator Upgrade with the Auxiliary Radiator Upgrade Kit, which replaces the factory side-mounted radiator with an upgraded unit from CSF Radiators!

Features:

• All Aluminum Construction
• Billet Aluminum End Tanks With Machined Inlet & Outlet, and Mounting Provisions
• 100% Tig Welded
• Direct, Drop-In Installation, Compatible with OEM Accessories
• 40% Increase in Radiator Coolant Capacity Over Factory Radiator
  • OEM: 2.5L Coolant Capacity
  • 034: 3.5L Coolant Capacity
• Increased Core Thickness Over Factory Radiator
  • OEM: 35mm
  • 034: 42mm
• 65 2-Row B-Tubes with 5mm Fin Height
• 16% Increase in Cooling Capacity
• Manufactured by CSF Specifically for 034Motorsport

OE Part Interchange:

• 8W0 121 251 H

Fitment:

• 2019 - Present Audi C8 S6 2.9 TFSI
• 2019 - Present Audi C8 S7 2.9 TFSI
• 2018 - Present Audi B9/B9.5 RS4 2.9 TFSI
• 2018 - Present Audi B9/B9.5 RS5 2.9 TFSI
• 2018 - Present Audi B9/B9.5 S4 3.0 TFSI
• 2018 - Present Audi B9/B9.5 S5 3.0 TFSI

This part also goes by the following cross reference.

Cross Reference Part Number: