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  See more parts for Infiniti G25
Select the year of your Infiniti G25:
CSF Radiators Plastic Tank-Aluminum Core Radiator for Infiniti G25 G35 G37 Q40 Q60 Nissan 370Z 2007-2019 - 3721
CSF Radiators Plastic Tank-Aluminum Core Radiator for Infiniti G25 G35 G37 Q40 Q60 Nissan 370Z 2007-2019 - 3721 - Image 2 CSF Radiators Plastic Tank-Aluminum Core Radiator for Infiniti G25 G35 G37 Q40 Q60 Nissan 370Z 2007-2019 - 3721 - Image 2

CSF Radiator 3721: Your Ultimate Cooling Solution

For serious automotive enthusiasts, maintaining optimal engine temperatures is crucial, and the CSF Radiator 3721 is engineered to deliver just that. With over 50 years of experience and more than 30 million units sold globally, CSF has become a trusted name in high-performance cooling solutions. This radiator is specifically designed for a variety of models, including the Infiniti G25 (2011-2012), G35 (2007-2008), G37 (2008-2013), Q40 (2015), Q60 (2014-2016), and Nissan 370Z (2009-2019).

Why Choose CSF Radiators?

CSF radiators are not just replacements; they are built to outperform. Utilizing OEM-specified plastic tank and aluminum core construction, these radiators offer superior durability and heat dissipation. Whether you're hitting the track or cruising on the highway, the CSF 3721 ensures your engine stays cool under pressure.

Key Features

  • OEM specified Plastic Tank-Aluminum Core Construction for enhanced performance.
  • Tanks made from Virgin Grade Engineered plastic resins, reinforced with glass for added strength.
  • High-performance multi-louvered fin design maximizes cooling efficiency.
  • 100% leak tested at 150% of operating pressure to guarantee reliability.
  • Industry-best packaging ensures safe delivery with a "10 Foot Drop Test" standard.
  • All components are meticulously installed, torqued, and tested during assembly.

Technical Specifications

  • Bottom Hose Fitting: 1-3/8" Left
  • Core Length: 25-1/16"
  • Core Material: Aluminum
  • Core Thickness: 7/8"
  • Core Width: 17-11/16"
  • Cross Flow Design
  • Inlet Length: 18-1/2"
  • Inlet Width: 1-1/4"
  • Outlet Length: 18-1/2"
  • Outlet Width: 1-1/4"
  • Oil Cooler: 10-7/16" (High-Efficiency Plate Type)
  • Radiator Cap Supplied: No
  • Tank Material: Aluminum
  • Rows: 1

Fitment

  • Infiniti G25 (2011-2012)
  • Infiniti G35 (2007-2008)
  • Infiniti G37 (2008-2013)
  • Infiniti Q40 (2015)
  • Infiniti Q60 (2014-2016)
  • Nissan 370Z (2009-2019)

Installation Notes

  • Use a Mini, 20 psi radiator cap for optimal performance.
  • Always inspect your old radiator pressure cap for wear and tear when replacing your radiator.

Upgrade your cooling system with the CSF Radiator 3721 and experience the difference in performance and reliability. It's time to keep your engine running cool, no matter the conditions.

Other Part Numbers:
CSF Radiators #csf3721

Proposition 65

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

Vehicle
2011-2012
 Infiniti G25
2007-2008
 Infiniti G35
2008-2013
 Infiniti G37
2015
 Infiniti Q40
2014-2016
 Infiniti Q60
2009-2019
 Nissan 370Z
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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