Denso 221-9221 Radiator

Overview of the Denso 221-9221 Radiator for Buick, Chevrolet, GMC, and Saturn

The Denso 221-9221 radiator is engineered to meet the cooling demands of select Buick, Chevrolet, GMC, and Saturn models. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine temperature regulation and transmission fluid cooling.

• Core Height: 27.56 inches
• Core Width: 19.65 inches
• Core Thickness: 0.63 inches
• Transmission Oil Cooler Included
• Inlet Diameter: 1.313 inches
• Outlet Diameter: 1.320 inches

Detailed Product Description and Specifications

The Denso 221-9221 radiator features a core height of 27.56 inches, width of 19.65 inches, and thickness of 0.63 inches, providing a balanced surface area for optimal heat dissipation. The inclusion of a transmission oil cooler enhances the radiator’s functionality by maintaining transmission fluid temperature, which is critical for vehicle performance and longevity. The inlet and outlet diameters, measuring approximately 1.31 and 1.32 inches respectively, ensure compatibility with the cooling system plumbing of the supported vehicles.

Compatible Vehicles and Applications

This radiator is compatible with the following makes and models:

• Buick Enclave
• Chevrolet Traverse
• GMC Acadia
• Saturn Outlook

It is designed specifically for these models to maintain proper engine and transmission cooling under various driving conditions.

Common Issues Addressed by the Denso 221-9221 Radiator

• Overheating engine due to inefficient heat exchange
• Transmission fluid overheating affecting transmission performance
• Coolant leaks from damaged or corroded radiator cores
• Reduced cooling efficiency from clogged or worn radiator fins
• Incompatible radiator dimensions causing installation or fitment problems

Installation Notes and Tips

• Verify radiator core dimensions and inlet/outlet diameters match vehicle specifications
• Drain coolant and transmission fluid before removal to prevent spills
• Inspect hoses and clamps for wear and replace if necessary during installation
• Ensure proper seating of radiator and secure mounting to avoid vibrations
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet OEM standards, ensuring reliable performance and durability. The 221-9221 radiator undergoes rigorous quality control testing to verify core integrity and cooling efficiency. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.