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  1. Home
  2. Audi Cooling Upgrades
  3. CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
- 7%
CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
Load image into Gallery viewer, CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
Load image into Gallery viewer, CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
Load image into Gallery viewer, CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
Load image into Gallery viewer, CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
Load image into Gallery viewer, CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
Load image into Gallery viewer, CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator

CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator

$ 699.00 $ 649.00
Brand:
CSF
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Shipping info

Shipping info

Processing Time: If the kit is in stock, allow 1-2 business days lead time before the kit ships.

Special order kits may have a lead time of up to 6 business days.

Custom built items have a lead time of 2 to 5 weeks in most circumstances.

Availability: Worldwide shipping is available for most items.

Airbags can only be shipped within the Continental US.

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CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator
$ 699.00 $ 649.00
  • Description
  • Bill's Take
  • Warranty
Description
EZT Logo

CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High Performance Radiator

CSF Radiator upgrade. Clear fitment guidance, benefits, and fast availability verification through EZT.

Overview

What it is: A CSF Radiator upgrade designed to improve thermal management compared to the factory setup.

Why it matters: Improves coolant temperature stability and reduces heat soak during hard driving, hot weather, or tuned use.

Fitment at a glance
  • TIG-Welded All-Aluminum Construction: Provides unmatched durability and longevity under demanding conditions.
  • True Drop-In Fit: No modifications required; installs using factory mounting points.
  • Individually Tested: Leak and pressure tested for guaranteed reliability.
  • Year: 2009-2016
  • Make: Audi
  • Model: S4, S5, A4, A5, A6, A7, Q5, SQ5
Stock check by chat Category: Radiator Ships: Fast supplier fulfillment

Who should buy this

Tuned vehicles, aggressive driving, track days, towing, or hot-climate owners who want more consistent temps and reliability.

How to get it quickly

Use live chat with your VIN or exact trim info. We will confirm the correct CSF part and verify availability before it ships.

If you have any questions, message us via live chat. Include your year, make, model, trim, and engine. VIN is best for accuracy.

What This Upgrade Does
  • Helps reduce heat soak during repeated pulls, long drives, or track sessions
  • Improves temperature stability compared to aging factory components
  • Supports reliability for tuned setups and hard use
  • Provides peace of mind in hot weather and stop-and-go traffic
Key Features
  • CSF engineered core design for improved heat rejection
  • Direct-fit form factor for OEM-style mounting in most applications
  • High-quality construction intended for performance use
  • Designed to integrate with your factory cooling system layout

Exact construction details vary by part number. If you want the full CSF spec sheet, message us and we will send it.

Fitment Details

Fitment can vary by engine, trim, and factory cooling package. We recommend confirming with VIN before ordering.

  • TIG-Welded All-Aluminum Construction: Provides unmatched durability and longevity under demanding conditions.
  • True Drop-In Fit: No modifications required; installs using factory mounting points.
  • Individually Tested: Leak and pressure tested for guaranteed reliability.
  • Year: 2009-2016
  • Make: Audi
  • Model: S4, S5, A4, A5, A6, A7, Q5, SQ5
Installation Notes

This is a direct-fit replacement for the factory component in most applications. No tuning is required for installation. Professional installation is recommended if you are not familiar with cooling system service.

  • Plan for coolant and or fluid service during installation
  • Bleed the cooling system properly after install as required by your platform
  • If your car has additional sensors or cooling packages, confirm compatibility first
Shipping and Availability

Most CSF items ship quickly. If it is in stock at our supplier network, it typically leaves within 1 to 2 business days. If it is backordered, we will contact you with the best ETA before it ships. Need it fast? Message us on live chat and we will verify stock for your exact CSF part number.

Fastest way to order correctly
Live chat us your VIN and your goals (daily, tuned, track, towing). We will confirm the right CSF part and get it moving.
Original Product Notes

We kept your original imported notes here for reference.

CSF Audi S4/S5, A4/A5, A6, A7, Q5 & SQ5 High-Performance Radiator At Eurozone Tuning, we pride ourselves on offering only the best products for our customers—products we trust to deliver exceptional performance and reliability. The CSF High-Performance Radiator is a game-changing upgrade designed for Audi enthusiasts who demand superior cooling performance. Whether you're driving on the street or pushing your car to its limits on the track, this radiator ensures your engine stays cool and performs at its peak. Why Upgrade? The factory radiator in many Audi models struggles to keep up with the demands of spirited driving or high-performance modifications. Overheating can lead to reduced power, increased wear, and potential engine damage. The CSF High-Performance Radiator addresses these issues with cutting-edge technology, including a 2-row core featuring CSF's exclusive B-Tube Technology. This design improves heat dissipation by up to 15% compared to traditional cores, ensuring consistent performance even under extreme conditions. Key Features: 2-Row 42mm High-Performance Core: Utilizes CSF's exclusive B-Tube Technology for superior cooling efficiency. Ultra-Efficient Fins: Features 6.5mm tall multi-louvered fins for maximum airflow and heat dissipation. Integrated Transmission Oil Cooler: Built-in plate-type cooler for automatic transmissions (pre-plugged for manual transmission vehicles). CNC Machined Mounting Brackets: Ensures precise fitment and easy installation. TIG-Welded All-Aluminum Construction: Provides unmatched durability and longevity under demanding conditions. OEM Style Wire Harness Brackets: Secures the factory wire harness for a clean and professional installation. True Drop-In Fit: No modifications required; installs using factory mounting points. Individually Tested: Leak and pressure tested for guaranteed reliability. Vehicle Fitment: Year: 2009-2016 Make: Audi Model: S4, S5, A4, A5, A6, A7, Q5, SQ5 Engine: Compatible with 3.0T and select 3.2L models Chassis: B8/B8.5/C7 platforms The Eurozone Tuning Advantage At Eurozone Tuning, we don’t just sell parts—we curate solutions. Every product we offer is rigorously tested and hand-selected to meet the highest standards of quality and performance. The CSF High-Performance Radiator is trusted by enthusiasts worldwide for its ability to handle increased horsepower demands while maintaining optimal cooling efficiency. Whether you’re upgrading for reliability or chasing lap times, this radiator
Bill's Take
CSF radiators and intercoolers really impress me. They do an amazing job of keeping everything cool, even when you're pushing the limits on the track or during some spirited driving. I trust their products completely—they’ve always performed like a champ for me. Plus, the quality and fitment are top-notch, making them an easy go-to for any build. You really can’t go wrong with CSF!
Warranty
  • Eurozone Tuning Branded Kits: These kits come with a 6-month warranty that covers replacement or repair due to manufacturing defects. Damage from improper installation, accidents, or misuse is not covered.
  • EZT Carbon Edition Steering Wheels: The EZT Carbon Edition steering wheels come with a 1-year warranty for workmanship. This warranty excludes damage caused by physical misuse, harsh environments, or improper installation.
  • Porterfield Brakes: Porterfield offers no warranty for brake pads due to the nature of the part.
  • AWE Tuning Products: AWE Tuning offers a lifetime warranty on their exhausts and a one-year warranty on their intakes and intercoolers. The warranty covers craftsmanship and materials under normal usage conditions. Abuse, improper installation, and modifications void the warranty.
  • ZAC Motorsports: ZAC Motorsports products are covered by a 2-year limited warranty. The warranty covers defects in materials and manufacturing, but does not include damage due to racing, misuse, or improper installation.
  • Motul Oils: Motul products come with a limited warranty that covers the shelf life and quality of the oil when used as directed. Warranty claims must be accompanied by proper documentation of vehicle usage and oil change intervals.
  • KW Coilovers: KW suspensions come with a limited lifetime warranty on their coilovers. This warranty is valid for the original purchaser and covers defects in workmanship and materials. Excludes damages from motorsports or improper installation.
  • ST Coilovers: ST Suspensions offer a 5-year limited warranty on their coilovers. The warranty covers craftsmanship, materials, and normal usage. Improper installation, racing, and modifications are not covered.
  • Eibach Coilovers: Eibach products carry a limited lifetime warranty. This covers defects in materials and workmanship but excludes damages caused by improper installation, racing, or misuse.
  • Ă–hlins Coilovers: Ă–hlins coilovers are covered by a 2-year limited warranty. This warranty applies to defects in materials and craftsmanship but excludes damages caused by improper installation or racing applications.
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