SKU: 76401785506

CSF Audi B8 S4 & S5 High Performance All-Aluminum Radiator

Sale price$253.85 Regular price$282.06
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

CSF Audi B8 S4 & S5 High Performance All-Aluminum RadiatorCSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your Audi running at its best, a CSF High Performance All Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2 Row

CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your Audi running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.

This Part Fits:

Year Make Model Submodel
2009-2014 Audi A4 Base
2009 Audi A4 Cabriolet
2009-2012 Audi A4 Quattro Avant
2009-2014 Audi A4 Quattro Base
2009 Audi A4 Quattro Cabriolet
2010-2014 Audi A5 Cabriolet
2008-2014 Audi A5 Quattro Base
2010-2014 Audi A5 Quattro Cabriolet
2015-2016 Audi A5 Quattro Premium
2015-2016 Audi A5 Quattro Premium Plus
2015 Audi A5 Quattro Prestige
2010-2011 Audi A6 Base
2012-2016 Audi A6 Premium
2012-2016 Audi A6 Premium Plus
2010-2011 Audi A6 Quattro Avant
2010-2011 Audi A6 Quattro Base
2017 Audi A6 Quattro Competition
2012-2015,2018 Audi A6 Quattro Premium
2012-2018 Audi A6 Quattro Premium Plus
2012-2018 Audi A6 Quattro Prestige
2018 Audi A6 Quattro Sport
2014-2016 Audi A6 Quattro TDI Premium Plus
2014-2016 Audi A6 Quattro TDI Prestige
2012-2013 Audi A7 Quattro Base
2017 Audi A7 Quattro Competition
2014-2018 Audi A7 Quattro Premium Plus
2014-2018 Audi A7 Quattro Prestige
2014-2016 Audi A7 Quattro TDI Premium Plus
2014-2016 Audi A7 Quattro TDI Prestige
2013-2016 Audi Q5 Hybrid Prestige
2009-2017 Audi Q5 Premium
2009-2017 Audi Q5 Premium Plus
2009-2017 Audi Q5 Prestige
2014-2016 Audi Q5 TDI Premium Plus
2016 Audi Q5 TDI Premium Plus S-Line
2014-2016 Audi Q5 TDI Prestige
2016 Audi Q5 TDI Prestige S-Line
2010-2013 Audi S4 Base
2014-2016 Audi S4 Premium Plus
2014-2016 Audi S4 Prestige
2010-2013,2017 Audi S5 Base
2010-2013 Audi S5 Cabriolet
2014-2016 Audi S5 Premium Plus
2014-2016 Audi S5 Prestige
2014-2017 Audi SQ5 Premium Plus
2014-2017 Audi SQ5 Prestige
2017-2018 Porsche Macan Base
2017-2018 Porsche Macan GTS
2015-2018 Porsche Macan S
2015-2018 Porsche Macan Turbo
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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: 76401785506

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a user
Chelsea, US
★★★★★ 5
A versatile hypochlorus acid product from a well-known company
This product is billed as an after-sun spray, but really, it is so much more. It is actually a hypoclorous acid product, and a quick Internet search will tell you all of its possible uses. To summarize, hypoclorous acid is a disinfecting and soothing agent that—unlike rubbing alcohol or hydrogen peroxide—is very gentle on the skin. This product came with both a foil seal and in tamper-proof packaging, which I appreciated. The bottle included a separate optional spray pump, so that you can dab it on with a cotton ball or q-tip straight from the bottle, or use the spray for an all-over application. The ingredients showed that the product is made from only three ingredients: water, salt, and hypochlorus acid. It smells a bit like swimming pool water, but every fragrance-free hypochlorus acid product is going to smell like this because hypochlorus acid itself has a very faint chlorine scent. There are many hypochlorus acid products on the market. This one worked fine, and came from a known name brand, unlike most of the other options out there that are manufactured by no-name brands. If you are looking for a brand name option, this is a good one. If you don’t care about that, there are likely better values out there.
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Reviewed in the United States on May 3, 2026
R
Ren
Carnegie, US
★★★★★ 5
Finally, a after-sun mist that actually does something
I was skeptical - three ingredients, simple packaging, no dramatic claims — After a long day in the sun my face was red and hot, and I did a split test: sprayed it on one half and left the other alone. The difference was visible within minutes. The treated side calmed down, the redness faded faster, and it just felt immediately soothed. I went back and sprayed the other half immediately. The active ingredient is hypochlorous acid, which is actually something your own immune system produces — it's antimicrobial and anti-inflammatory without being harsh or sensitizing. No alcohol, no fragrance, no parabens, no dye. Nothing on this ingredient list that has any business irritating already-angry skin. It's pH balanced and truly non-stinging, which matters a lot when your skin is compromised. I've also been using it on insect bites and it's become my first reach for anything red and irritated. It takes down the swelling and calms the area noticeably. Not a substitute for antihistamine if you're having a real reaction, but as an immediate soothing step it's excellent.
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Reviewed in the United States on May 12, 2026
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Verified Purchase
Jen
Bozeman, US
★★★★★ 5
Perfect Little Sun Care Kit — Great for Travel!
Style: Original, Style: Original
I love this Sun Bum Road Tripper set! The travel‑sized products are perfect for tossing into my beach bag or carry‑on, and everything smells amazing. It has all the essentials you need for a day in the sun without taking up a ton of space. The quality is exactly what you expect from Sun Bum — gentle, effective, and reliable. This is such a convenient little kit for trips, beach days, or keeping in the car. Definitely a must‑have for anyone who loves being outdoors.
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Reviewed in the United States on April 27, 2026
M
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Michele Cox
Chelsea, US
★★★★★ 5
Convienent and necessary
Style: Original
Perfect addition to my backpack for a Disney trip! Loved the bag!
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Reviewed in the United States on May 21, 2026
C
Verified Purchase
Crazydogcatlady
Dallas, US
★★★★★ 5
Travel size products, best sunscreen out there.
Style: Original, Style: Original
Great as always but picture is misleading a bit, this is the small travel size bottle not the full size. I should have read better, still like the set nonetheless of course. Heres a picture for comparison.
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Reviewed in the United States on May 27, 2026

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