Denso 221-9556 Radiator

Denso Radiator for Lexus LS460

Restore proper engine cooling with this Denso radiator, part number 221-9556, built for 2011-2017 Lexus LS460 applications. It is engineered around OE-style dimensions and materials to support consistent heat transfer, stable fitment, and dependable cooling performance.

For Lexus LS460 owners searching for a direct-fit radiator replacement, Denso 221-9556 matches the vehicle’s cooling system requirements with core sizing and hose connection dimensions that align with OE specifications.

Key Features

• Core height: 17.7165 in. for OE-style cooling coverage
• Core width: 27.7559 in. for proper frontal cooling area
• Core thickness: 0.6299 in. for balanced airflow and heat dissipation
• Inlet diameter: 1.4961 in. for correct upper hose connection
• Outlet diameter: 1.5276 in. for correct lower hose connection
• Built to Denso’s OE standards for configuration, tank design, fin pitch, and core materials
• Part number 221-9556 for easy identification and ordering

Detailed Description

Denso radiators are developed from OE supplier experience, with attention to the dimensions and construction details that affect cooling performance and fitment. This radiator for the Lexus LS460 uses a core layout sized to support efficient engine temperature control while maintaining the connection points and overall configuration expected in a direct replacement. The result is a radiator that aligns with factory-style installation requirements and everyday driving demands.

This part cross-references Spectra Premium CU13037 and CSF 3386 for the same application. It is a practical choice for drivers replacing a leaking, restricted, or damaged radiator on a 2011-2017 Lexus LS460, and the Denso 221-9556 designation helps confirm the correct application during parts lookup.

What It Helps Solve

• Engine overheating caused by a leaking or inefficient radiator
• Coolant loss from cracked tanks or damaged core sections
• Restricted heat transfer from an aging cooling assembly
• Fitment issues from incorrect replacement dimensions
• Cooling system performance loss on Lexus LS460 models

Installation Notes and Tips

Verify hose diameter, core dimensions, and vehicle fitment before installation. Flush the cooling system, inspect hoses and clamps, and confirm the cooling fan and thermostat are functioning correctly before installing the new radiator. After installation, refill with the correct coolant type and bleed the system according to factory service procedures.

Quality Assurance

Denso supplies radiators to OE vehicle manufacturers worldwide, and this radiator is built to the same type of dimensional and durability standards used in original equipment development. Each unit is tested for function and durability to support reliable cooling performance in Lexus LS460 applications.