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  See more parts for Toyota Prius
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CSF Radiators Plastic Tank-Aluminum Core Radiator for Toyota Prius 1.5L 2004-2009 - 3837

CSF 3837 Radiator: The Ultimate Cooling Solution for Your Toyota Prius

If you're looking to upgrade your cooling system, the CSF 3837 Radiator is a top-tier choice for Toyota Prius owners from 2004 to 2009. Designed with performance in mind, this radiator delivers exceptional cooling efficiency, ensuring your engine runs smoothly even under the most demanding conditions. With over 50 years of experience and more than 30 million units sold worldwide, CSF radiators are built to meet high-performance standards.

Why Choose CSF?

CSF has earned a reputation for quality and reliability in the aftermarket radiator market. This specific model features:

  • OEM specified Plastic Tank-Aluminum Core Construction for durability
  • Tanks made from Virgin Grade Engineered plastic resins, reinforced with glass filling for added strength
  • High-performance multi-louvered fins designed to maximize cooling efficiency
  • 100% leak tested at 150% of operating pressure before leaving the factory
  • Robust packaging that meets a "10 Foot Drop Test" standard to ensure safe delivery

Technical Specifications

  • Radiator Type: Crossflow
  • Rows: 1
  • Core Length: 23 5/8"
  • Core Width: 13 5/8"
  • Core Thickness: 5/8"
  • Core Material: Aluminum
  • Tank Material: Aluminum
  • Inlet Location: Upper Driver Side
  • Outlet Location: Lower Passenger Side
  • Inlet Diameter: 1 1/4"
  • Outlet Diameter: 1 1/4"

Fitment

  • Toyota Prius 2004-2009

Installation Tips

When replacing your radiator, it’s crucial to inspect the old radiator pressure cap for any signs of wear. A faulty cap can lead to cooling system failures, so don’t overlook this small but vital component.

Customer Feedback

One 2006 Prius owner shared, "I swapped out my old radiator for the CSF 3837, and the difference was night and day. My engine runs cooler, and I haven’t had any overheating issues since. The fit was perfect, and installation was straightforward!"

For those serious about maintaining their Toyota Prius, the CSF 3837 Radiator is a reliable upgrade that promises to keep your engine performing at its best.

Other Part Numbers:
CSF Radiators #csf3837

Proposition 65

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

Vehicle
2004-2009
 Toyota Prius
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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