Denso 221-4401 Radiator

Denso Radiator for Nissan Sentra

The Denso 221-4401 radiator is built for 2002-2006 Nissan Sentra applications and follows OE-style dimensions for proper cooling system fitment. With a 14.1870-inch core height, 27.1870-inch core width, and 1.0000-inch core thickness, it is sized to match the factory layout while supporting dependable engine temperature control.

• Fits 2002-2006 Nissan Sentra
• Part number: 221-4401
• Transmission oil cooler included: Yes
• Core height: 14.1870 in.
• Core width: 27.1870 in.
• Core thickness: 1.0000 in.
• Inlet diameter: 1.3750 in.
• Outlet diameter: 1.3750 in.

OE-Style Cooling Performance

Denso supplies radiators to OE vehicle manufacturers worldwide, and this radiator reflects that experience through its configuration, tank design, fin pitch, core dimensions, and material selection. The 221-4401 is engineered to meet rigid OE standards for fit and function, and it is tested for durability and performance under demanding operating conditions. If you need a radiator for a Nissan Sentra that matches factory cooling system requirements, this unit is built around those specifications.

This part cross-references Spectra Premium CU2469 for the same application.

Common Cooling System Issues It Can Address

• Engine overheating caused by a restricted or inefficient radiator
• Coolant loss from a damaged or aging radiator core or tank
• Poor heat transfer that affects normal operating temperature
• Transmission cooling concerns when the integrated cooler is part of the system
• Fitment problems from using a radiator with incorrect core dimensions or hose connections

Installation Notes and Tips

Verify inlet and outlet hose sizes, mounting points, and overall core dimensions before installation. Flush the cooling system, inspect hoses and clamps, and confirm the transmission cooler lines are clean and properly connected when replacing the radiator on a 2002-2006 Nissan Sentra. Always refill with the correct coolant mixture and bleed air from the system according to factory service procedures.

Quality Assurance

Denso radiators are built using OE-level engineering and undergo durability and function testing before release. The 221-4401 is designed to deliver reliable cooling performance and consistent fitment for Nissan Sentra applications.