Denso 221-3508 Radiator

Overview of the Denso Radiator for Mazda 3

The Denso 221-3508 radiator is designed specifically for the Mazda 3, providing reliable cooling performance. Engineered with precise core dimensions, this radiator supports efficient heat dissipation to maintain optimal engine temperature.

• Core Height: 26.4370 inches
• Core Width: 14.5000 inches
• Core Thickness: 0.6250 inches
• Inlet Diameter: 0.9370 inches
• Outlet Diameter: 0.9370 inches
• Transmission Oil Cooler: Not included

Detailed Radiator Specifications

This Denso radiator (part number 221-3508) features a core height of 26.4370 inches and a width of 14.5000 inches, providing a substantial surface area for effective cooling. The core thickness of 0.6250 inches ensures durability while allowing sufficient coolant flow. Both the inlet and outlet diameters measure 0.9370 inches, matching the Mazda 3’s factory hose connections for straightforward installation. Note that this radiator does not include a transmission oil cooler, making it suitable for Mazda 3 models without integrated transmission cooling requirements.

Compatible Vehicles and Applications

This radiator is compatible with Mazda 3 models, engineered to meet the specific cooling demands of this vehicle. The Denso 221-3508 radiator is ideal for replacing worn or damaged radiators in Mazda 3 vehicles, ensuring consistent engine temperature regulation and preventing overheating.

• Overheating issues due to radiator core damage or clogging
• Coolant leaks from cracked or corroded radiator tanks
• Reduced cooling efficiency from bent or damaged fins
• Engine temperature fluctuations caused by radiator failure

Installation Notes and Tips

When installing the Denso 221-3508 radiator on a Mazda 3, ensure all hose connections match the 0.9370-inch inlet and outlet diameters for a secure fit. It is recommended to drain the coolant system completely before removal and to inspect all hoses and clamps for wear. Properly bleed the cooling system after installation to avoid air pockets that can affect performance.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring reliable performance and fitment for the Mazda 3. While specific warranty details for part number 221-3508 should be confirmed at the point of purchase, Denso products typically come with a limited warranty covering defects in materials and workmanship.