Denso 221-9155 Radiator

Denso Radiator for Hyundai Genesis

The Denso 221-9155 radiator is built for 2009-2011 Hyundai Genesis applications and follows OE-style specifications for fitment and cooling performance. With an integrated transmission oil cooler and matched inlet and outlet sizing, it supports dependable engine temperature control in daily driving and demanding conditions.

Key Features

• Fits 2009-2011 Hyundai Genesis, N/A
• Core dimensions: 25.0394 in. height, 18.3858 in. width, 0.6299 in. thickness
• Transmission oil cooler included
• Inlet diameter: 1.3858 in.
• Outlet diameter: 1.3858 in.
• Denso part number 221-9155

Detailed Description

Denso 221-9155 is a radiator engineered to meet OE manufacturer standards for configuration, tank design, fin pitch, core dimensions, and materials. Denso supplies radiators to vehicle manufacturers worldwide, and each unit is tested for durability and function before release. For Hyundai Genesis owners, this radiator provides the correct cooling-system layout for direct replacement service and consistent heat transfer.

This part cross-references APDI 8013059 for the same application.

Common Cooling System Issues Addressed

• Engine overheating caused by reduced radiator efficiency
• Transmission fluid temperature concerns when the cooler circuit is part of the radiator
• Coolant flow restriction related to worn or damaged radiator internals
• Fitment problems from using a radiator with incorrect core size or hose connections
• Cooling performance loss from age-related tank or fin deterioration

Installation Notes and Tips

Verify core dimensions, inlet and outlet diameter, and transmission cooler routing before installation. Confirm the vehicle is a 2009-2011 Hyundai Genesis and compare the original radiator layout to Denso 221-9155 to ensure proper hose and cooler line alignment. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation.

Quality Assurance

Denso builds this radiator using OE-focused engineering and subjects it to strict durability and function testing. The result is a radiator designed to maintain reliable cooling performance in Hyundai Genesis applications while meeting the dimensional and material standards expected from an OE supplier.