Denso 221-9012 Radiator

Overview of the Denso 221-9012 Radiator

The Denso 221-9012 radiator is engineered for reliable cooling performance in select Buick, Chevrolet, GMC, and Oldsmobile SUVs. Designed to meet the specific cooling needs of models like the Envoy, Trailblazer, and Bravada, this radiator includes an integrated transmission oil cooler for enhanced vehicle efficiency.

• Core Height: 18.11 inches
• Core Thickness: 1.062 inches
• Core Width: 26.877 inches
• Transmission Oil Cooler Included
• Inlet Diameter: 1.338 inches
• Outlet Diameter: 1.574 inches

Technical Specifications and Features

The Denso 221-9012 radiator features a core measuring 18.11 inches in height, 26.877 inches in width, and 1.062 inches in thickness, providing an optimal surface area for heat dissipation. The inclusion of a transmission oil cooler supports the cooling of transmission fluid, which is critical for maintaining transmission performance and longevity. The radiator’s inlet and outlet diameters of 1.338 inches and 1.574 inches respectively ensure proper fluid flow and compatibility with the vehicle’s cooling system.

Compatible Vehicles and Applications

This radiator is compatible with a range of SUVs from Buick, Chevrolet, GMC, and Oldsmobile, specifically designed for the following models: Buick Rainier, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, and Oldsmobile Bravada. The Denso 221-9012 radiator is suitable for owners seeking a direct replacement radiator that maintains factory specifications and cooling efficiency.

• Overheating issues due to radiator core damage or clogging
• Transmission fluid overheating caused by a faulty transmission oil cooler
• Leaks or cracks in the radiator core or tanks
• Reduced engine cooling efficiency impacting vehicle performance
• Corrosion or wear in original radiator components

Installation Notes and Tips

When installing the Denso 221-9012 radiator, ensure the vehicle is fully cooled and the cooling system is depressurized. Properly drain coolant and transmission fluid before removal. Verify inlet and outlet hose diameters match the radiator connections to avoid leaks. Inspect and replace any worn hoses or clamps during installation. Bleed the cooling system after installation to remove air pockets and ensure optimal performance.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM standards, ensuring durability and reliable cooling performance. The 221-9012 radiator undergoes rigorous quality control testing to verify fitment and function. While specific warranty details may vary, Denso products typically include a limited warranty covering defects in materials and workmanship under normal use.