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Denso 221-4403 Radiator
| Brand | Denso 221-4403 |
|---|---|
| Core Height | 15.7500 |
| Core Thickness | 1.0000 |
| Core Width | 27.1870 |
| Inlet Diameter | 1.3750 |
| Outlet Diameter | 1.3750 |
| Transmission Oil Cooler Included | YES |
| Fits | INFINITI and Nissan · 15 vehicles |
OE experience. Built with OE-level know-how for reliable fit and performance.
Transmission oil cooler included. Integrated cooling support helps simplify the replacement.
Radiator function. Helps maintain proper engine cooling for dependable operation.
Cross-references APDI 8011752, CSF 2462 and Datsun/Nissan 21460-0L715 for the same application. See all 10.
Denso 221-4403 Radiator Overview
The Denso 221-4403 radiator is built for direct replacement cooling performance in select Nissan and Infiniti applications. It is engineered to match OE-style dimensions and materials for proper fitment, stable engine temperature control, and dependable operation in daily driving conditions.
- Core height: 15.7500
- Core width: 27.1870
- Core thickness: 1.0000
- Inlet diameter: 1.3750
- Outlet diameter: 1.3750
- Transmission oil cooler included
- OE-based radiator configuration for fit and function
OE-Style Cooling Performance
Denso draws on OE radiator supply experience to produce a radiator that follows strict dimensional and durability standards. The core size, tank design, fin pitch, and material selection are matched to support consistent heat transfer and reliable cooling system operation. This Denso radiator is a practical choice for Nissan Maxima and Infiniti I30 owners looking for a replacement that aligns with factory specifications.
This part cross-references Spectra Premium CU1752 for the same application.
Vehicle Fitment
- Fits 1996-1999 INFINITI I30, N/A
- Fits 1995-1999 Nissan Maxima, N/A
Common Cooling Issues Addressed
- Overheating caused by a leaking or restricted radiator
- Coolant loss from cracked tanks or worn core seams
- Poor heat dissipation from a clogged or damaged radiator core
- Transmission cooling concerns when the radiator’s oil cooler circuit is compromised
- Fitment problems from an incorrect replacement radiator
Installation Notes
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 securely in the factory location. After installation, refill with the correct coolant mixture and bleed air from the system according to vehicle service procedures.
Quality Assurance
Denso states that its radiators are built to OE standards and undergo durability and function testing before release. The 221-4403 is designed to deliver reliable cooling performance under demanding operating conditions.
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | INFINITI | I30 | — | Automatic | N/A | — |
| 1999 | Nissan | Maxima | — | Automatic | N/A | — |
| 1998 | INFINITI | I30 | — | Automatic | N/A | — |
| 1998 | Nissan | Maxima | SE | Automatic | N/A | — |
| 1998 | Nissan | Maxima | GXE | Automatic | N/A | — |
| 1998 | Nissan | Maxima | GLE | — | N/A | — |
| 1997 | INFINITI | I30 | — | Automatic | N/A | — |
| 1997 | Nissan | Maxima | SE | Automatic | N/A | — |
| 1997 | Nissan | Maxima | GXE | Automatic | N/A | — |
| 1997 | Nissan | Maxima | GLE | — | N/A | — |
| 1996 | INFINITI | I30 | — | Automatic | N/A | — |
| 1996 | Nissan | Maxima | SE | Automatic | N/A | — |
| 1996 | Nissan | Maxima | GXE | Automatic | N/A | — |
| 1996 | Nissan | Maxima | GLE | — | N/A | — |
| 1995 | Nissan | Maxima | — | Automatic | N/A | — |
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