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Denso 221-9540 Radiator
| Brand | Denso 221-9540 |
|---|---|
| Core Height | 29.5276 |
| Core Thickness | 1.6535 |
| Core Width | 26.1811 |
| Inlet Diameter | 1.378 |
| Outlet Diameter | 1.378 |
| Product line | Radiator |
| Fits | INFINITI and Nissan · 13 vehicles |
OE experience. DENSO brings supplier know-how to radiator fit and performance.
Engine cooling. Built to support proper cooling and dependable function.
Durability tested. Each radiator passes strict durability and function checks.
Cross-references APDI 8013595, CSF 3818 and DPI Performance Racing Products 13595 for the same application. See all 7.
Denso Radiator 221-9540 for Nissan and INFINITI
The Denso 221-9540 radiator is built for direct-fit cooling performance on select Nissan Armada and INFINITI QX80 and QX56 applications. With OE-style dimensions and materials, it is engineered to match factory cooling system requirements for dependable engine temperature control.
Key Features
- Core height: 29.5276 in.
- Core width: 26.1811 in.
- Core thickness: 1.6535 in.
- Inlet diameter: 1.378 in.
- Outlet diameter: 1.378 in.
- OE-based radiator configuration for fitment accuracy
- Built to Denso’s durability and function testing standards
Product Details
Denso supplies radiators to OE vehicle manufacturers worldwide, and the 221-9540 reflects that OE engineering background. The core dimensions, tank design, fin pitch, and material selection are aligned with factory specifications to support proper coolant flow and heat transfer. This radiator is a direct replacement choice for 2020 Nissan Armada, 2017-2019 Nissan Armada, 2014-2019 INFINITI QX80, and 2011-2013 INFINITI QX56 applications. This part cross-references APDI 8013595 for the same application.
What This Radiator Helps Address
- Overheating caused by reduced radiator efficiency
- Coolant temperature instability during stop-and-go driving
- Heat buildup under towing or heavy-load conditions
- Leaks or damage in an aging factory radiator
- Poor fitment from non-OE-style replacement parts
Installation Notes and Tips
Verify inlet and outlet sizing, core dimensions, and vehicle application before installation. Inspect hoses, clamps, and coolant condition during radiator replacement, and flush the cooling system if contamination or debris is present. Confirm that the radiator mounts and surrounding cooling components are in good condition so the replacement seats correctly.
Quality Assurance
Denso radiators are manufactured to meet OE standards and undergo durability and function testing before release. That OE-focused process helps support reliable cooling performance and consistent fitment on the listed Nissan Armada, INFINITI QX80, and INFINITI QX56 applications.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2020 | Nissan | Armada | Radiator |
| 2019 | INFINITI | QX80 | — |
| 2019 | Nissan | Armada | — |
| 2018 | INFINITI | QX80 | — |
| 2018 | Nissan | Armada | — |
| 2017 | INFINITI | QX80 | — |
| 2017 | Nissan | Armada | — |
| 2016 | INFINITI | QX80 | — |
| 2015 | INFINITI | QX80 | — |
| 2014 | INFINITI | QX80 | — |
| 2013 | INFINITI | QX56 | — |
| 2012 | INFINITI | QX56 | — |
| 2011 | INFINITI | QX56 | — |
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