Denso 221-9046 Radiator

Reliable Radiator for Cadillac, Chevrolet, and GMC Vehicles

The Denso 221-9046 radiator is engineered to provide efficient cooling for select Cadillac, Chevrolet, and GMC trucks and SUVs. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine performance and temperature regulation.

• Core Height: 17.2441 inches
• Core Width: 34.0157 inches
• Core Thickness: 1.2598 inches
• Transmission Oil Cooler Included for enhanced cooling
• Inlet Diameter: 1.3386 inches
• Outlet Diameter: 1.5748 inches

Detailed Radiator Specifications and Features

This Denso radiator (part number 221-9046) features a robust core measuring 17.2441 inches in height, 34.0157 inches in width, and 1.2598 inches in thickness, ensuring effective 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 inlet and outlet diameters of 1.3386 inches and 1.5748 inches respectively are designed to match OEM specifications for a secure fit and efficient coolant flow.

Compatible Vehicles and Applications

This radiator is compatible with a range of Cadillac, Chevrolet, and GMC models, including:

• Cadillac Escalade
• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Tahoe
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Yukon

Common Issues Addressed by This Radiator

• Engine overheating due to inefficient cooling
• Transmission fluid overheating affecting transmission performance
• Leaks or damage in the radiator core
• Reduced coolant flow from worn or damaged radiator
• Corrosion or clogging impacting heat exchange

Installation Notes and Tips

Ensure the radiator core dimensions and inlet/outlet diameters match your vehicle’s specifications before installation. Properly flush the cooling system to remove debris and old coolant. Check all hose connections for secure fitment to prevent leaks. It is recommended to inspect the transmission cooler lines when replacing this radiator to maintain optimal transmission cooling.

Quality Assurance and Warranty

Denso radiators are manufactured to meet or exceed OEM standards, providing reliable cooling performance. While specific warranty details for part number 221-9046 are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for exact terms.