Denso 221-9004 Radiator

Overview of the Denso Radiator 221-9004 for Chevrolet Cavalier and Pontiac Sunfire

The Denso 221-9004 radiator is engineered to provide reliable cooling performance for Chevrolet Cavalier and Pontiac Sunfire models. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine temperature regulation under various driving conditions.

• Core Height: 15.078 inches
• Core Width: 25.980 inches
• Core Thickness: 1.000 inch
• Inlet Diameter: 1.338 inches
• Outlet Diameter: 1.338 inches
• Includes Transmission Oil Cooler

Detailed Specifications and Features

The Denso radiator 221-9004 features a core measuring 15.078 inches in height, 25.980 inches in width, and 1.000 inch in thickness, providing an optimal surface area for heat dissipation. Both the inlet and outlet diameters are 1.338 inches, ensuring compatibility with the original coolant hoses of Chevrolet Cavalier and Pontiac Sunfire vehicles. The inclusion of a transmission oil cooler enhances the radiator’s functionality by helping maintain transmission fluid temperature, which is critical for transmission longevity and performance.

Compatible Vehicles and Application

This radiator is specifically designed for use in Chevrolet Cavalier and Pontiac Sunfire models, making it a direct replacement part for these vehicles. The Denso 221-9004 radiator supports the cooling system by addressing common issues such as:

• Engine overheating due to inefficient heat exchange
• Transmission fluid overheating affecting transmission operation
• Coolant leaks from damaged or worn radiator cores
• Reduced cooling capacity from clogged or corroded radiator passages
• Incompatibility with original equipment cooling system dimensions

Installation Notes and Tips

When installing the Denso radiator 221-9004, ensure that the inlet and outlet hose diameters match the vehicle’s original specifications (1.338 inches). Properly secure all mounting points and verify that the transmission oil cooler lines are correctly connected to avoid leaks. It is recommended to flush the cooling system before installation to remove any debris or contaminants that could impair radiator performance.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM standards for durability and performance. The 221-9004 radiator undergoes rigorous quality control to ensure reliable operation in Chevrolet Cavalier and Pontiac Sunfire vehicles. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.