Denso 221-9119 Radiator

Overview of the Denso Radiator 221-9119 for Buick and Cadillac

The Denso radiator part number 221-9119 is designed specifically for Buick Lucerne and Cadillac DTS models. This radiator features integrated transmission oil cooling, ensuring efficient engine and transmission temperature management for these vehicles.

• Core Height: 15.0787 inches
• Core Width: 30.5512 inches
• Core Thickness: 1.2598 inches
• Inlet Diameter: 1.3228 inches
• Outlet Diameter: 1.5748 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications and Features

The Denso 221-9119 radiator is engineered with precise core dimensions to optimize cooling performance. The core height of approximately 15.08 inches and width of 30.55 inches provide a substantial surface area for heat dissipation. With a core thickness of 1.26 inches, this radiator balances durability and efficient coolant flow. The inlet and outlet diameters of 1.32 inches and 1.57 inches respectively are designed to match factory hose sizes, ensuring proper fitment and fluid transfer. The inclusion of a transmission oil cooler supports the cooling needs of automatic transmissions in Buick Lucerne and Cadillac DTS models, helping maintain optimal operating temperatures under various driving conditions.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

• Buick Lucerne
• Cadillac DTS

It is intended for use in cooling the engine and transmission systems, addressing issues such as:

• Engine overheating due to radiator core damage or clogging
• Transmission overheating caused by insufficient oil cooling
• Coolant leaks from worn or damaged radiator components
• Reduced cooling efficiency from corrosion or buildup inside the radiator
• Maintaining proper engine temperature for reliable vehicle performance

Installation Notes and Tips

When installing the Denso 221-9119 radiator, ensure that all hose connections match the specified inlet and outlet diameters for a secure fit. Verify that the transmission oil cooler lines are properly connected to maintain transmission cooling functionality. It is recommended to inspect and replace any worn hoses or clamps during installation to prevent leaks. Proper bleeding of the cooling system after installation will help avoid air pockets and ensure optimal coolant circulation.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications for fit, form, and function. The 221-9119 radiator undergoes rigorous quality control to ensure durability and reliable performance in Buick Lucerne and Cadillac DTS vehicles. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.