CSF 3433 Radiator

CSF 3433 Radiator Overview

CSF 3433 is an OE-style radiator built with a plastic tank and aluminum core for select Nissan applications. It is designed for the Nissan Altima and Nissan Maxima, with fitment coverage spanning 2007-2023 depending on model.

The CSF 1 Row Plastic Tank Aluminum Core line focuses on direct-fit cooling replacement parts with factory-style construction. CSF manufactures radiators to performance standards validated in lab testing, and this part number follows that approach with a cross-flow layout and application-specific inlet and outlet sizing.

Key Features

• Part number: 3433
• 1-row radiator design with aluminum core and plastic tanks
• Cross-flow configuration for OE-style cooling layout
• Core thickness: 5/8 in.
• Core dimensions: 16 in. wide x 26 9/16 in. long
• Inlet diameter: 1 3/8 in., right side
• Outlet diameter: 1 3/8 in., left side
• Integrated high-efficiency plate-type oil cooler: 10 7/16 in.
• Cap not included
• Multifit model with OE-style plastic tanks and aluminum core

Detailed Description

CSF 3433 is a replacement radiator for 2007-2018 Nissan Altima and 2009-2023 Nissan Maxima applications. It uses an OE-style plastic tank and aluminum core construction to match the factory cooling layout while maintaining the correct inlet and outlet placement for the vehicle platform. The cross-flow design and 1-row core help preserve the original radiator packaging and connection points.

This part cross-references Spectra Premium CU2988 and APDI 8012988 for the same application. If you are replacing a leaking or damaged radiator on a Nissan Altima or Nissan Maxima, CSF 3433 provides the correct fitment profile for these model years and cooling system configurations.

Common Replacement Reasons

• Coolant leaks from cracked plastic tanks or aged seams
• Overheating caused by restricted or inefficient heat transfer
• Corrosion or internal buildup in the radiator core
• Physical damage from road debris or front-end impact
• Cooling system service on a Nissan Altima or Nissan Maxima with OE-style radiator layout

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet orientation, and oil cooler connection points before installation. This radiator uses a right-side inlet and left-side outlet, so matching hose routing is important during replacement. Inspect hoses, clamps, and coolant condition at the same time to help prevent repeat cooling-system issues. Because the cap is not included, reuse or replace the cap separately as needed.

Quality Assurance

CSF states that its radiators are manufactured in ISO/TSO-certified facilities and validated through wind-tunnel testing for cooling performance. The brand has supplied radiators worldwide for decades and offers a broad catalog of OE-style replacement applications, including Nissan Altima and Nissan Maxima coverage.