CSF 3303 Radiator

CSF 3303 Radiator for Eclipse Cooling Service

The CSF 3303 is an OE-style radiator built with a plastic tank and aluminum core layout for the 2006-2012 Mitsubishi Eclipse. It is engineered for direct replacement service where proper coolant flow, factory-style fitment, and dependable heat transfer matter.

CSF’s 1 Row Plastic Tank Aluminum Core line focuses on OE-style construction with performance validation from lab testing and wind tunnel development. The result is a radiator design that matches the original configuration while supporting consistent cooling performance in daily driving conditions.

Key Features

• Fits 2006-2012 Mitsubishi Eclipse, N/A
• CSF Part Number: 3303
• 1-row down-flow radiator design
• Aluminum core with plastic tanks
• Core thickness: 5/8 in.
• Core size: 29 3/8 in. wide x 13 3/4 in. long
• Inlet diameter: 1 3/8 in. center
• Outlet diameter: 1 3/8 in. left
• OE-style plastic tank and aluminum core construction
• Cap not included

Product Details

This radiator is built for the Mitsubishi Eclipse cooling system with a down-flow layout and OE-style dimensions. The aluminum core helps transfer heat efficiently, while the plastic tanks follow the factory-style configuration used on the original application. CSF manufactures a wide range of radiator models and validates cooling performance through laboratory and wind tunnel testing, supporting consistent fit and thermal management for the 2006-2012 Mitsubishi Eclipse.

This part cross-references Spectra Premium CU2842 for the same application.

Common Cooling Issues Addressed

• Overheating from a leaking or restricted radiator
• Coolant loss caused by cracked tank seams or aged core materials
• Poor heat rejection from a clogged or corroded radiator
• Temperature instability during stop-and-go driving
• Factory radiator replacement after wear or damage

Installation Notes

Verify inlet and outlet placement before installation: inlet is 1 3/8 in. center and outlet is 1 3/8 in. left. This radiator is listed for 2006-2012 Mitsubishi Eclipse models with N/A position fitment and OE-style design. Use the specified 16 psi micro cap noted in the fitment details, and confirm all hose connections, mounts, and cooling system components are in serviceable condition before refilling the system.

Quality Assurance

CSF radiators are manufactured in ISO/TSO certified facilities and built to high-performance standards. The brand has supplied radiators worldwide for more than 50 years and offers extensive application coverage across thousands of vehicle models.