Denso 221-9249 Radiator

Denso Radiator for Toyota Corolla

The Denso 221-9249 radiator is an OE-style cooling replacement built for 2009-2013 Toyota Corolla Japan-built vehicles. It is specified with a 23.6200-inch core height, 15.5000-inch core width, and 0.6300-inch core thickness for a direct-fit cooling solution that matches factory dimensions.

With an integrated transmission oil cooler and inlet and outlet sizes of 1.3130 inches and 1.3400 inches, this radiator supports proper coolant flow and transmission fluid temperature control in the Toyota Corolla cooling system.

Key Features

• Fits 2009-2013 Toyota Corolla, N/A, Japan Built Vehicle
• Part number 221-9249 for OE-style radiator replacement
• Core dimensions: 23.6200 in. height x 15.5000 in. width x 0.6300 in. thickness
• Transmission oil cooler included for automatic transmission applications
• Inlet diameter: 1.3130 in.; outlet diameter: 1.3400 in.
• Built to Denso OE configuration standards for fitment and cooling performance

Detailed Description

Denso 221-9249 is a radiator replacement engineered around OE specifications for the Toyota Corolla. Denso supplies radiators to vehicle manufacturers worldwide, and this unit reflects that OE background through its core sizing, tank configuration, fin pitch, and material selection. The result is a radiator that matches the factory cooling layout for 2009-2013 Toyota Corolla Japan-built vehicles while supporting stable engine temperature control.

This part cross-references Toyota 16410-22160 for the same application. If you are searching for a 2009-2013 Toyota Corolla radiator, Denso 221-9249 provides the correct fitment profile and cooling-system dimensions for a direct replacement.

Common Problems This Radiator Can Address

• Coolant leaks from a damaged or corroded radiator core
• Overheating caused by restricted coolant flow or reduced heat transfer
• Transmission fluid temperature issues when the factory cooler is no longer functioning properly
• Cracked tanks or weakened seams from age and heat cycling
• Cooling performance loss in a high-mileage Toyota Corolla radiator assembly

Installation Notes and Tips

Verify vehicle build details before ordering, since this radiator is listed for Japan-built 2009-2013 Toyota Corolla models. Confirm inlet and outlet hose sizes, transmission cooler line routing, and mounting points against the original radiator before installation. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation.

Quality Assurance

Denso states that its radiators are built to OE standards and undergo durability and function testing before release. That manufacturing approach supports consistent fitment and dependable cooling performance for the Denso 221-9249 radiator in the Toyota Corolla application.