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CSF Radiators Audi B5 A4 1.8T High-Performance All-Aluminum Radiator 42mm Core - 7204
CSF Radiators Audi B5 A4 1.8T High-Performance All-Aluminum Radiator 42mm Core - 7204 - Image 5 CSF Radiators Audi B5 A4 1.8T High-Performance All-Aluminum Radiator 42mm Core - 7204 - Image 2 CSF Radiators Audi B5 A4 1.8T High-Performance All-Aluminum Radiator 42mm Core - 7204 - Image 3 CSF Radiators Audi B5 A4 1.8T High-Performance All-Aluminum Radiator 42mm Core - 7204 - Image 4 CSF Radiators Audi B5 A4 1.8T High-Performance All-Aluminum Radiator 42mm Core - 7204 - Image 5
If you’re looking to keep your B5 A4 1.8T running cool, you might want to take a closer look at the CSF High-Performance All-Aluminum Radiator. With over 50 years in the game, CSF knows a thing or two about radiators, and this one’s built for both street cruising and track days. It’s not just a pretty piece of aluminum; it’s designed for those of us who push our cars to the limit, whether you’re building a high-horsepower monster or just want to ensure your daily driver doesn’t overheat on a hot day. What sets this radiator apart is its 2-Row core paired with CSF’s exclusive B-Tube Technology. Instead of the standard oval tubes you see in most radiators, CSF has engineered these B-shaped tubes that are not only lighter but also stronger. They’ve managed to increase the heat transfer surface area by about 15% compared to regular tubes, which means better cooling without taking up more space. This design allows for what they call “dual liquid laminar flow,” which optimizes the cooling process even further. The fins on this radiator are something to talk about too. They’re ultra-efficient and multi-louvered, which means they’re meticulously aligned to maximize airflow. CSF doesn’t just throw these together; they test them in wind-tunnel labs to ensure they reject heat like a champ. And when it comes to installation, you’ll appreciate the drop-in fit. It’s designed to work with your existing setup, so you won’t need to mess around with modifications. The OE style brackets are CNC machined and welded, ensuring they’re tough enough to handle whatever you throw at them. Plus, it’s all aluminum with a smooth satin finish, which not only looks good but also means it’s built to last. You won’t find any flimsy parts here. Everything from the inlet and outlet connections to the mounting hardware is designed to fit right in with your existing setup. Just hook up your OEM hoses or aftermarket ones, and you’re good to go. So if you’re serious about keeping your Audi or Volkswagen cool under pressure, this radiator is worth considering. It’s individually leak and pressure tested, so you know you’re getting a reliable piece of equipment. Trust me, your engine will thank you for it.
  • 2-Row, 42mm Ultra-High-Performance Dual Pass Core
  • 2-Year Limited Warranty
  • 45 Cooling Tubes with CSF's Exclusive B-Tube Technology
  • 6.5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact
  • CNC Machined Mounting Brackets and OEM Style Inlet/Outlet
  • 100% All Aluminum TIG-Welded Construction
  • Smooth Satin Finish
  • True Plug-and-Play "Drop-in Fit" Installation Requires Absolutely No Modifications
  • For Manual Transmission Only
  • Individually Leak and Pressure Tested

Specifications

  • Coolant Hose Inlet Connection Type: OE Type Connection
  • Coolant Hose Outlet Connection Type: OE Type Connection
  • Core Height: 630mm
  • Core Material: Aluminum
  • Core Row Quantity: 2
  • Core Thickness: 42mm
  • Core Width: 389mm
  • Down Flow Or Cross Flow Type: Cross Flow
  • Finish/Color: Satin
  • Frame Included: No
  • Grade Type: Performance
  • Inlet Connector Type: Quick Connect
  • Inlet Diameter: 32mm
  • Inlet Location: Top Left
  • Installation Type: Drop-In Fit Installation
  • Internal Engine Oil Cooler: No
  • Internal Transmission Oil Cooler: No
  • Mounting Hardware Included: No
  • Mounting Type: Mounts with OE Hardware
  • Outlet Connector Type: Quick Connect
  • Outlet Diameter: 32mm
  • Outlet Location: Bottom Left
  • Prop 65 Yes/No: No
  • Radiator Cap Included: No
  • Tank Material: Aluminum
  • Thermostat Included: No

Fits:

Audi A4 1996-2001, Audi A4 Quattro 1997-2001, Volkswagen Passat 1998-2001

Other Part Numbers:
CSF Radiators #csf7204

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Audi A4 1996-2001 Base
Audi A4 1998 Avant
Audi A4 2001 Sport
Audi A4 2001 Luxury
Audi A4 2001 Basico
Audi A4 2001 Confort
Audi A4 Quattro 1997-2001 Base
Audi A4 Quattro 1998-2001 Avant
Audi A4 Quattro 2001 Confort
Volkswagen Passat 1998-2001 GLX
Volkswagen Passat 1998-2001 GLS
Volkswagen Passat 1999-2001 V6
Volkswagen Passat 1999-2001 1.8T
Volkswagen Passat 2000 4 Motion
Volkswagen Passat 2001 GLS 4 Motion
Volkswagen Passat 2001 GLX 4 Motion
CSF Radiator

Anyone who needs a new radiator should consider buying a CSF radiator. A CSF radiator and CSF cooling system offers the best performance for driving and racing enthusiasts. If you have a faulty radiator or are looking to upgrade to a high-performance radiator, a CSF radiator will get the job done. 

What is a CSF Radiator?

During the last 40 years, CSF has manufactured over 10,000 different models of radiators, oil coolers, heat exchangers and condensers for Automotive, Truck, Industrial and Marine applications. Today, their products are sold in over 60 countries throughout the world. Their US Aftermarket Division stocks over 1000 models that cover over 2100 applications for all popular Import vehicles.

CSF supplies radiators and condensers that are designed to meet or exceed original equipment (OE) engineering specifications. Their plants meet ISO 9000 standards and provide parts to OE manufacturers, and to top it all off - check out their industry leading warranty. Simply put, you cannot buy, sell, install or own a better value radiator or condenser.

Why Should I Buy a CSF Radiator? 

A CSF radiator offers a number of benefits over the competition. Below, we explain the main reasons why you should buy a CSF radiator.

A Market Leader for over 45 Years

CSF has been a market leader for over 45 years, as the company was initially established in 1975 and have been selling CSF radiators ever since. Over time, a CSF radiator has become known for its innovative design and impeccable quality.

High-Quality Radiator Testing

Every single CSF radiator and CSF cooling system has been put through a rigorous series of tests to make sure every system is reliable and performs at a high level. In their testing lab, CSF puts in the time to make sure every product works perfectly. 

Cutting-Edge Technology

Each CSF radiator uses cutting-edge technology to bring customers the best CSF full cooling system possible. CSF racing radiators combine a high-efficiency core, advanced endtank designs, and innovative design and engineering to give our customers the most advanced and efficient radiator possible.  

Get a CSF Radiator or CSF Cooling System From Vivid Racing 

Vivid Racing carries a wide selection of CSF radiator products, including CSF cooling systems and other accessories. If you are interested in learning more or would like to purchase a CSF radiator, please contact Vivid Racing today by calling (480) 966-3040.

CSF takes pride in the quality of its products and offers one of the best warranty’s in the industry. Please refer to the CSF warranty card in the shipping carton for details.

CSF warranty is applicable only to the original owner of the vehicle. Original paper work verifying the proof of purchase and pre-installation cooling system checklist signed by the professional installer is required to process warranty claims.

All warranty claims should be directed to the point of purchase. Due to CSF’s established agreements with Authorized CSF Warehouse Distributors, CSF is unable to handle and/or process warranty related calls/inquires from any individuals – all inquires/warranty related claims should be directed to the point of purchase or an authorized warehouse distributor.

Take care of your radiator, as under circumstances listed below the warranty will be void.

If the radiator is installed and is returned deformed (bulging tanks, warped core etc.), this is an indication that the radiator is the victim of some other problem and not the cause. The deformation is a result of the radiator being subjected to extremely high pressure and or temperature caused by any of the following reasons:Defective Pressure Cap, Defective Head Gasket, Defective Temperature gauge (incorrect readings), Defective Water Pump etc. Such units are not covered under the warranty.

If a radiator seems to have a “fit problem” there is the possibility that there is some confusion about a multi-fit radiator that might look different. Your nearest CSF WD can clarify the application, just give them a call. A perceived fit problem is not covered under warranty.

If a unit is damaged in shipping, please file a claim with the carrier. Damages caused during shipping, installation or handling are not covered under warranty.

Any repairs or alterations to the unit will automatically void the warranty.

Any form of abuse, including the use of improper coolant mixtures, damage caused by steam, corrosion etc and use on commercial vehicles voids the warranty. It is the vehicle owners’ responsibility to maintain the cooling system as specified in the owners manual.

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