Denso 221-3706 Radiator

Denso Radiator for Hyundai Accent

Restore proper engine cooling with this Denso radiator, part number 221-3706. It is built to OE-style dimensions and materials for a direct replacement on select Hyundai Accent models, with integrated transmission oil cooler support for vehicles that require it.

Key Features

• OE-focused radiator design from Denso, a supplier to global vehicle manufacturers
• Core dimensions: 14.5620 in. height, 25.3120 in. width, 0.6250 in. thickness
• Inlet and outlet diameters: 0.9370 in.
• Transmission oil cooler included
• Built to meet strict durability and function testing standards
• Fits 2006-2011 Hyundai Accent, N/A

Detailed Description

Denso 221-3706 is a replacement radiator engineered for 2006-2011 Hyundai Accent applications. The radiator configuration, tank design, fin pitch, core size, and material selection are based on OE requirements to support consistent coolant flow and heat transfer. For buyers searching for a Hyundai Accent radiator, Denso 221-3706 offers the fitment and cooling specifications needed for a direct replacement.

This radiator includes a transmission oil cooler and uses 0.9370-inch inlet and outlet connections. The compact core dimensions help match the original cooling package while maintaining the performance needed for daily driving and demanding operating conditions. This part cross-references Spectra Premium CU2896 for the same application.

Common Cooling Issues This Part Can Address

• Engine overheating caused by a leaking or restricted radiator
• Coolant loss from cracked tanks or damaged core passages
• Poor heat rejection from an aging Hyundai Accent radiator
• Transmission fluid temperature concerns when the cooler circuit is part of the radiator
• Fitment problems from using a radiator that does not match OE dimensions

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet size, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and replace worn seals or mounting components as needed. After installation, refill with the correct coolant mixture and bleed air from the system according to the vehicle service procedure.

Quality Assurance

Denso radiators are built from OE experience and undergo durability and function testing to help ensure reliable performance and proper fitment. This makes Denso 221-3706 a practical choice for Hyundai Accent cooling system service when OE-style replacement is required.