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  See more parts for Subaru Impreza
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CSF Radiators All-Aluminum Radiator for 02-07 Subaru Impreza WRX/STI with Oil Cooler - 3076O
CSF Radiators All-Aluminum Radiator for 02-07 Subaru Impreza WRX/STI with Oil Cooler - 3076O - Image 2 CSF Radiators All-Aluminum Radiator for 02-07 Subaru Impreza WRX/STI with Oil Cooler - 3076O - Image 2

CSF 3076O All-Aluminum Radiator for 02-07 Impreza WRX/STI

Engineered for optimal cooling performance, the CSF 3076O All-Aluminum Radiator is a crucial upgrade for your 2002-2007 Subaru WRX or STI. With over 50 years of experience in radiator manufacturing, CSF delivers a product that excels on both the street and the track, making it ideal for high horsepower builds and motorsport applications.

Advanced B-Tube Technology

This radiator features a 2-row, 42mm core that utilizes CSF's exclusive B-Tube technology. Unlike traditional oval-shaped tubes, the B-tube design enhances structural integrity while allowing for a thinner and lighter aluminum construction. This innovative design increases the heat transfer surface area by approximately 15%, effectively enhancing cooling efficiency.

Precision Engineering

  • Core Height: 13.375 inches
  • Core Width: 27 inches
  • Core Thickness: 1.625 inches
  • Fin Height: 6.5mm with a multi-louvered design for maximum airflow

Installation and Compatibility

The CSF 3076O offers a true drop-in fit, requiring no modifications during installation. It features CNC machined brackets and quick-connect inlet/outlet connections designed to match OEM specifications, allowing you to reuse your existing hoses. The inlet is located at the top center with a diameter of 1.5 inches, while the outlet is positioned at the bottom left with the same diameter.

Key Features

  • Built-in engine oil cooler for enhanced thermal management
  • All-aluminum construction with a polished finish
  • Race-style drain plug for easy maintenance
  • Mounts using OEM hardware, ensuring a reliable and durable fit
  • Radiator cap included for added convenience

Fitment

This radiator is specifically designed for:

  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007

Trust CSF for a high-performance radiator that meets the demands of your WRX or STI, ensuring optimal engine temperatures and reliability during spirited driving or competitive racing.

Other Part Numbers:
CSF Radiators #csf3076O

Proposition 65

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

Vehicle Make/Model
Subaru Impreza 2002-2007 WRX
Subaru Impreza 2004-2007 WRX STI
Subaru Impreza 2006-2007 WRX TR
Subaru Impreza 2006-2007 WRX Limited
Subaru Impreza 2007 WRX STI Limited
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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