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Denso 221-3174 Radiator
| Brand | Denso 221-3174 |
|---|---|
| Core Height | 17.6870 |
| Core Thickness | 0.6250 |
| Core Width | 27.9370 |
| Inlet Diameter | 1.5000 |
| Outlet Diameter | 1.5000 |
| Transmission Oil Cooler Included | YES |
| Fits | Lexus · 4 vehicles |
OE experience. Built to meet strict OE standards for fit, performance, and reliability.
Radiator performance. Helps maintain proper engine cooling and function.
Transmission oil cooler included. Adds integrated cooling support in one radiator assembly.
Cross-references APDI 8013037, CSF 3386 and DPI Performance Racing Products 13037 for the same application. See all 8.
Denso Radiator for Lexus LS460
This Denso radiator, part number 221-3174, is built for 2007-2010 Lexus LS460 applications. It is an OE-style cooling replacement with the core dimensions, tank design, and materials selected to match factory requirements for fit and thermal performance.
Key Features
- Core height: 17.6870 in.
- Core width: 27.9370 in.
- Core thickness: 0.6250 in.
- Inlet diameter: 1.5000 in.
- Outlet diameter: 1.5000 in.
- Transmission oil cooler included for integrated cooling support
- Built to Denso OE standards for fitment and durability
Product Details
Denso part number 221-3174 is a radiator for the Lexus LS460 that follows OE engineering targets for cooling efficiency, reliability, and installation fit. Denso supplies radiators to vehicle manufacturers worldwide, and this unit reflects that OE experience through controlled core sizing, fin pitch, tank configuration, and material selection. For drivers searching for a Lexus LS460 radiator replacement or a Denso 221-3174 cooling system component, this part provides a direct-fit solution for the 2007-2010 model years.
This part cross-references Lexus 16400-38170 for the same application.
Common Cooling System Issues
- Engine temperature running higher than normal
- Coolant leaks from a damaged or aging radiator
- Reduced cooling efficiency during stop-and-go driving
- Transmission fluid temperature concerns when the cooler circuit is part of the radiator assembly
- Fitment problems caused by a warped, corroded, or cracked original radiator
Installation Notes and Tips
Verify inlet and outlet hose sizes before installation, and confirm the radiator matches the vehicle’s factory cooling layout. Inspect hoses, clamps, and coolant condition at the same time to reduce repeat repairs. After installation, refill with the correct coolant type, bleed air from the system, and check for leaks at all connections.
Quality Assurance
Denso radiators are manufactured to OE-level specifications and undergo durability and function testing before release. That process supports consistent cooling performance and fitment for Lexus LS460 applications.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Lexus | LS460 | RWD | N/A | — |
| 2009 | Lexus | LS460 | RWD | N/A | — |
| 2008 | Lexus | LS460 | — | N/A | — |
| 2007 | Lexus | LS460 | — | N/A | — |
| No rows match your filter. | |||||