CSF 3784 Radiator

Reliable Radiator Replacement for Lexus and Toyota Vehicles

The CSF radiator part number 3784 is designed specifically for select Lexus and Toyota models, including the Corolla, Prius, Prius Prime, and UX250h. Engineered with an aluminum core and plastic tanks, this radiator ensures efficient cooling performance tailored to your vehicle's needs.

• Core thickness: 5/8 inch for optimal heat dissipation
• Core dimensions: 14 5/16 inches width by 26 9/16 inches length
• Constructed with a durable aluminum core and OEM-style plastic tanks
• Cross flow design for effective coolant circulation
• Inlet and outlet diameters both 1 5/16 inches, positioned right and left respectively
• Single-row radiator core for compatibility with specified models
• Cap not included, designed to work with existing vehicle caps

Technical Details and Construction

The CSF 3784 radiator features a 5/8 inch thick aluminum core that provides efficient heat transfer while maintaining lightweight durability. The core measures 14 5/16 inches in width and 26 9/16 inches in length, fitting precisely within the cooling system of compatible Lexus and Toyota vehicles. The plastic tanks are manufactured to OEM specifications, ensuring a proper seal and long-lasting performance. This radiator uses a cross flow design, which promotes effective coolant flow from side to side, enhancing engine temperature regulation.

Compatible Vehicles and Applications

This radiator is compatible with the following makes and models:

• Lexus UX250h
• Toyota Corolla
• Toyota Prius
• Toyota Prius Prime

It is intended as a direct replacement for the original radiator, maintaining factory fit and function.

Common Issues Addressed by This Radiator

• Overheating due to radiator core damage or clogging
• Coolant leaks from cracked or worn plastic tanks
• Reduced cooling efficiency from corrosion or core deterioration
• Inadequate coolant flow caused by faulty radiator design
• Replacement of damaged or malfunctioning OEM radiators

Installation Notes and Tips

When installing the CSF radiator 3784, ensure the vehicle is fully cooled before removal of the old radiator. Verify that the inlet and outlet hose diameters (1 5/16 inches) match your vehicle’s hoses. Since the radiator does not include a cap, reuse the existing OEM cap or replace it separately if necessary. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty

CSF radiators are manufactured to meet or exceed OEM standards, using high-quality aluminum cores and plastic tanks designed for durability and performance. This radiator is free of hazardous materials and weighs approximately 8 pounds, making it a reliable replacement part. While specific warranty details may vary, CSF products typically come with a limited warranty covering defects in materials and workmanship.