Denso 221-9337 Radiator

Denso Radiator 221-9337 for Honda and Acura

The Denso 221-9337 radiator is built for OE-style cooling performance, fitment, and durability. It is engineered to match original radiator configurations, tank design, fin pitch, core dimensions, and material standards for dependable engine temperature control in demanding driving conditions.

Compatible with select Honda Passport, Ridgeline, Pilot, and Acura MDX applications, this radiator is a direct replacement choice for drivers looking for accurate fitment and consistent cooling performance. The Denso Radiator line reflects Denso’s OE supply experience for Honda and Acura cooling systems.

Key Features

• Part number: 221-9337
• Core height: 19.6900
• Core width: 31.1300
• Core thickness: 1.0600
• Inlet diameter: 1.2800
• Outlet diameter: 1.2800
• Transmission oil cooler included: No
• OE-style radiator construction for accurate fitment and cooling performance

Detailed Description

Denso 221-9337 is a replacement radiator designed around OE specifications for Honda and Acura cooling systems. The core dimensions, inlet and outlet sizing, and radiator configuration are matched to original equipment standards to support proper coolant flow and heat transfer. This makes it a practical choice for Honda Passport, Honda Ridgeline, Honda Pilot, and Acura MDX radiator replacement needs where factory-style fit and dependable operation matter.

This part cross-references APDI 8013402 for the same application.

What It Helps Address

• Engine overheating caused by a worn or inefficient radiator
• Coolant temperature instability during stop-and-go or highway driving
• Leaks from aging radiator tanks or core damage
• Reduced cooling efficiency from restricted or deteriorated radiator internals
• Fitment issues when replacing an OE radiator on Honda and Acura vehicles

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet diameter, and transmission cooler requirements before installation. This radiator does not include a transmission oil cooler, so confirm your vehicle’s cooling system configuration matches the part before ordering. Always inspect hoses, clamps, coolant condition, and related seals during radiator replacement, and refill the system with the correct coolant specification after installation.

Fits 2019-2024 Honda Passport, N/A; Fits 2021-2024 Honda Ridgeline, N/A; Fits 2021-2022 Honda Pilot, N/A; Fits 2014-2020 Acura MDX, N/A; Fits 2016-2020 Honda Pilot, N/A; Fits 2017-2020 Honda Ridgeline, N/A.

Quality Assurance

Denso radiators are built using OE supplier experience and are tested for durability and function before release. The 221-9337 is manufactured to meet rigid OE standards for configuration, materials, and performance consistency.