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Denso 221-3415 Radiator
| Brand | Denso 221-3415 |
|---|---|
| Core Height | 15.8120 |
| Core Thickness | 1.0000 |
| Core Width | 28.9370 |
| Inlet Diameter | 1.4370 |
| Outlet Diameter | 1.4370 |
| Transmission Oil Cooler Included | YES |
| Fits | Nissan · 5 vehicles |
OE experience. Built to OE standards for reliable fit and performance.
Radiator performance. Helps maintain proper engine cooling and function.
Transmission oil cooler included for added cooling support.
Cross-references APDI 8012693, CSF 2945 and CSF 3131 for the same application. See all 10.
Denso 221-3415 Radiator for Nissan Altima
The Denso 221-3415 radiator is built for 2002-2006 Nissan Altima applications and follows OE-style dimensions and construction targets for dependable engine cooling. With integrated transmission oil cooler support and matched inlet and outlet sizing, it is a direct-fit cooling system replacement for the Altima platform.
Key Features
- Fits 2002-2006 Nissan Altima
- Core dimensions: 15.8120 in. height, 28.9370 in. width, 1.0000 in. thickness
- Transmission oil cooler included
- Inlet diameter: 1.4370 in.
- Outlet diameter: 1.4370 in.
- OE-focused radiator design from Denso
OE-Style Cooling Performance
Denso 221-3415 is engineered around OE radiator configuration standards, including tank design, fin pitch, core size, and material selection. That attention to fitment and thermal performance helps maintain stable coolant flow and heat rejection in daily driving and demanding conditions. For Nissan Altima owners searching for a radiator replacement that matches factory-style dimensions, this unit provides a direct solution backed by Denso’s OE supply experience.
This part cross-references Spectra Premium CU2415 and CSF 2945 for the same application.
What It Helps Address
- Coolant leaks from a damaged or corroded radiator
- Overheating caused by restricted heat transfer
- Transmission fluid cooling concerns when the radiator cooler circuit is compromised
- Fitment issues from an incorrect or mismatched replacement radiator
- Reduced cooling efficiency in a high-mileage Nissan Altima
Installation Notes and Tips
Verify core dimensions, inlet and outlet diameter, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts and fan shroud alignment on the 2002-2006 Nissan Altima. After installation, refill with the correct coolant mixture and bleed air from the system according to factory service procedures.
Quality Assurance
Denso supplies radiators to OE vehicle manufacturers worldwide, and this radiator is built to meet rigid OE standards for configuration, durability, and function. Each unit is tested for durability and performance to support reliable cooling under demanding operating conditions.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Nissan | Altima | N/A | — |
| 2005 | Nissan | Altima | N/A | — |
| 2004 | Nissan | Altima | N/A | — |
| 2003 | Nissan | Altima | N/A | — |
| 2002 | Nissan | Altima | N/A | — |
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