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Lightweight Csf Audi B5 A4 1.8t High Performance All Aluminum Radiator See Details [iC0EhUSK]

$44.99 $143.99 -69%

CSF Audi B5 A4 1.8T High Performance RadiatorExperience the pinnacle of cooling performance with the Lightweight Csf Audi B5 A4 1.8t High Performance All Aluminum Radiator See Details [iC0EhUSK]. Crafted with over 5 decades of expertise, this radiator is the ultimate choice for keepin

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Lightweight Csf Audi B5 A4 1.8t High Performance All Aluminum Radiator See Details [iC0EhUSK]

CSF Audi B5 A4 1.8T High Performance Radiator

Experience the pinnacle of cooling performance with the Lightweight Csf Audi B5 A4 1.8t High Performance All Aluminum Radiator See Details [iC0EhUSK]. Crafted with over 5 decades of expertise, this radiator is the ultimate choice for keeping your engine at peak efficiency. Engineered for both street and track use, it's a must-have for high horsepower builds and race vehicles seeking superior cooling in motorsports environments.
  • Exclusive B-Tube Technology: Unlike conventional radiators, CSF's innovative B-tubes offer enhanced cooling efficiency and structural integrity.
  • Increased Heat Transfer: The design increases the heat transfer surface area by approximately 15%, providing superior cooling performance.

Superior Engineering and Performance

The CSF radiator boasts a 2-row core, featuring CSF's exclusive B-Tube Technology. These B-tubes are carefully formed and brazed over the seam for a seamless, durable construction. The unique design allows for thinner and lighter aluminum material, resulting in better cooling efficiency. The inlet located in the middle of the tube increases the heat transfer surface area, offering "dual liquid laminar flow" for optimal cooling.
  • Ultra-Efficient Multi-Louvered Fins: These fins are meticulously aligned to maximize airflow through the radiator core.
  • Wind-Tunnel Tested: Each fin specification is carefully measured and tested for maximum heat rejection efficiency.

Perfect for High Horsepower and Race Vehicles

Ideal for both high horsepower builds and race vehicles, the CSF radiator is designed to withstand the rigors of motorsports environments. Its advanced cooling capabilities ensure your engine remains at the optimal temperature, enhancing performance and reliability. Whether you're on the street or at the track, this radiator is a game-changer for Audi B5 A4 1.8T owners looking to maximize their vehicle's potential.
  • Compatibility: This radiator is specifically designed to fit the following models: Audi A4 (1997-2001), Audi A4 Quattro (1999-2001), Audi A4 Quattro (1997-2001), Volkswagen Passat GLS (1998-2001).
  • Longevity and Reliability: With CSF's commitment to quality and performance, this radiator is built to last, providing years of reliable service.

What Our Customers Say

January 25, 2026

Absolutely no complaints!

A product that has simplified my entire routine.

- King H..

January 25, 2026

Absolutely no complaints!

A very well-made product that truly delivers.

- Alice E..

January 25, 2026

Absolutely no complaints!

A great item. I really, really love it.

- Jody N..

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