SKU: 73169985246

CSF High Performance Aluminum Radiator - Audi / S4 / B5 / 2.7T

Sale price$291.25 Regular price$323.61
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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For Your Every Summer RSVP, with Code: SUMMER15

Description

CSF High Performance Aluminum Radiator - Audi / S4 / B5 / 2.7TCSF 97 02 Audi S4 (B5) Radiator The new all aluminum high performance radiator from CSF is a 2 row 42mm core in a triple pass configuration. If youre looking to modify, upgrade, or simply keep up with the maintenance on an Audi B5 S4, upgrading the cooling system with new CSFs high performance all aluminum radiator is highly recommended CSF #7071. Its another crucial fix along with a laundry list of other items to replace and maintain on the iconic


CSF 97-02 Audi S4 (B5) Radiator

The new all-aluminum high performance radiator from CSF is a 2-row 42mm core in a triple-pass configuration.

If you’re looking to modify, upgrade, or simply keep up with the maintenance on an Audi B5 S4, upgrading the cooling system with new CSF’s high-performance all-aluminum radiator is highly recommended CSF #7071. It’s another crucial fix along with a laundry list of other items to replace and maintain on the iconic Audi B5 S4. Keep in mind that these cars are 15-20 years old, and if you haven’t already had to replace your original plastic tank radiator, the time is definitely coming soon!

CSF’s triple-pass technology allows the coolant to flow through the radiator core 3x rather than just flowing across the surface of the core once. This allows much colder ambient air to exchange heat with the coolant for a 3x longer period of time generating the lowest outlet temperature possible. Still with a drop-in fit!

OE replacement parts:

8D0-121-251-AP / 8D0 121 251 AP / 8D0121251AP 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73169985246

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4.6 ★★★★★
Based on 23 reviews
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Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
Very good quality for a reasonable price.
Size: 10, Color: Grey
Very good quality, very soft, very comfortable, look amazing, I’m very happy.
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Reviewed in the United States on May 23, 2026
M
Verified Purchase
Mike L.
Omaha, US
★★★★★ 4
Comfortable fit for slip-in fabric shoes
Size: 14, Color: Black/Black
My first experience with Marc Joseph. I typically purchase dress and casual work shoes from Florsheim and occasionally Rockport. I'm giving these four stars because the initial fit and feel appear solid. Depending on the shoe brand I wear a size 14 or 15. My feet are slightly wide but I don't alway need wide fit. These size 14 fit well with wide enough toe box. I've tried slip in shoes before and they just don't feel right. These somehow work and there is no heel slip. My only reservation is the high lip on the heel for slip-in and hope they dont catch pant hems. I gave 4 stars because I'll have to determine durability. Granted they are a light fabric shoe with a soft rubber tread. I'd like them to last for at least 6 months..and use them for business casual work wear during warm weather.
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Reviewed in the United States on May 19, 2026
C
Verified Purchase
Chris
Bozeman, US
★★★★★ 5
Stylish and comfortable.
Size: 8 Wide, Color: Black/Black
Shoes look great and fits well. Definitely recommend pocking another pair.
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Reviewed in the United States on May 10, 2026
M
Verified Purchase
Mike
Bozeman, US
★★★★★ 3
Narrow for an 11.5W
Size: 11.5 Wide, Color: Navy
Nice look and material but very narrow for a wide, had to return
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Reviewed in the United States on February 25, 2026
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Verified Purchase
David Kuck
West Palm Beach, US
★★★★★ 5
NIce Shoes
Size: 10, Color: Black
Very nice quality and comfort
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Reviewed in the United States on June 1, 2026

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