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CSF Radiator Audi, B5 S4
$469.00
In stock
SKU
CSF-7071
If you’re looking to modify, upgrade, or simply keep up with the maintenance on an Audi B5 S4, upgrading the cooling system with CSF’s high-performance all-aluminum radiator is highly recommended. It’s another crucial fix along with a laundry list of other items to replace and maintain on the iconic B5 S4. Keep in mind that these cars are 15-20 years old, and if you haven’t already replaced your original plastic tank radiator, the time is definitely coming soon! Until now, there has not been a reliable, drop-in fit option with an acceptable price point offered in the market but CSF has answered the call!
Installation Effort: MODERATE 
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Product Description
All CSF’s high-performance all-aluminum radiators include exclusive B-Tube technology that increases the heat transfer approximately 15% over regular oval welded tubes, along with super-efficient multi-louvered fins to maximize airflow through the radiator core for the best radiator core technology and performance in the market. Combined with industry leading triple-pass design, CSF’s Audi B5 S4 radiator is sure to check off all the boxes for the high performance and race crowd who need an upgrade in the cooling department.
After studying what was currently available on the market for the Audi B5 S4 platform – CSF spent quite a bit of time perfecting the design after the initial prototype. CSF made sure to include machined OEM-style “Quick-Connect” inlet/outlet fittings, as well as machined installation seating areas on the top of each tank that holds the rubber bushing pads for correct and study fitment with no vibrations and no modifications necessary to install. Just another extra step that CSF has taken to continue to make the best cooling products in the world.
| Make | Model | Years | Chassis | Engine |
| Audi | S4 | 2000-2002 | B5 | 2.7T |
| SKU | CSF-7071 |
|---|---|
| Manufacturer | CSF |
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Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.
Learn More: www.p65warnings.ca.gov