/live/media/NP/NP_2219434_Fro.jpg)
Denso 221-9434 Radiator
| Brand | Denso 221-9434 |
|---|---|
| Core Height | 26.5354 |
| Core Thickness | 0.6299 |
| Core Width | 16.7953 |
| Inlet Diameter | 1.5000 |
| Outlet Diameter | 1.5000 |
| Transmission Oil Cooler Included | NO |
| Fits | Lexus · 7 vehicles |
OE experience. Built to meet strict OE standards for fit, performance, and reliability.
Durability tested. Passes rigorous function and durability checks for dependable cooling.
Radiator performance. Helps maintain proper engine cooling and function.
Cross-references APDI 8013515, CSF 3785 and DPI Performance Racing Products 13515 for the same application. See all 8.
Denso Radiator for Lexus NX300h
The Denso 221-9434 radiator is an OE-style cooling replacement built for precise fitment and dependable engine temperature control. It is engineered for Lexus NX300h applications and matches key dimensions that matter for proper installation and cooling performance.
Denso’s radiator line is based on OE supplier experience, with configurations, tank design, fin pitch, core size, and materials selected to meet original manufacturer standards. This makes the 221-9434 a direct-fit radiator choice for Lexus NX300h owners looking for a replacement that follows factory specifications.
Key Features
- Part number: 221-9434
- Core height: 26.5354 in.
- Core width: 16.7953 in.
- Core thickness: 0.6299 in.
- Inlet diameter: 1.5000 in.
- Outlet diameter: 1.5000 in.
- No transmission oil cooler included
- OE-style radiator construction for Lexus NX300h cooling system service
Product Details
This Denso radiator is built for 2015 Lexus NX300h, 2016 Lexus NX300h, 2017 Lexus NX300h, 2018-2019 Lexus NX300h, and 2020-2021 Lexus NX300h applications, with notes for models without the towing package on select years. The 221-9434 follows OE-based dimensions and cooling layout requirements to support proper coolant flow and heat exchange in the engine cooling system.
This part cross-references Spectra Premium CU13515 and CSF 3785 for the same application.
Common Problems This Radiator Addresses
- Cracked or leaking radiator tanks
- Restricted coolant flow from an aging core
- Overheating caused by reduced heat dissipation
- Corrosion or wear in the original cooling assembly
- Fitment issues from non-OE replacement dimensions
Installation Notes and Tips
Verify radiator dimensions, inlet and outlet size, and vehicle configuration before installation. This radiator does not include a transmission oil cooler, so confirm your original setup matches that design. For Lexus NX300h models, check the towing package note on 2016-2019 applications before ordering.
Quality Assurance
Denso supplies radiators to OE vehicle manufacturers and subjects its radiators to durability and function testing. The 221-9434 is built to meet rigid OE standards for fitment and cooling performance in demanding driving conditions.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2021 | Lexus | NX300h | — | N/A | OE; Radiator |
| 2020 | Lexus | NX300h | — | N/A | OE; Radiator |
| 2019 | Lexus | NX300h | — | N/A | w/o Towing Package, Engine Cooling |
| 2018 | Lexus | NX300h | — | N/A | w/o Towing Package, Engine Cooling |
| 2017 | Lexus | NX300h | — | N/A | w/o Towing Packag, Engine Cooling |
| 2016 | Lexus | NX300h | AWD | N/A | w/o Towing Package, Engine Cooling |
| 2015 | Lexus | NX300h | FWD | N/A | — |
| No rows match your filter. | |||||