Denso 221-9279 Radiator

Overview of the Denso Radiator 221-9279 for Toyota 4Runner

The Denso Radiator part number 221-9279 is designed specifically for Toyota 4Runner models, providing reliable cooling performance. This radiator includes a transmission oil cooler, making it a comprehensive cooling solution for your vehicle.

• Core Height: 22.64 inches
• Core Width: 26.59 inches
• Core Thickness: 1.06 inches
• Transmission Oil Cooler Included
• Inlet Diameter: 1.375 inches
• Outlet Diameter: 1.36 inches

Detailed Features of the Denso Radiator Line

The Denso Radiator product line focuses on delivering efficient heat dissipation and durability for automotive cooling systems. This radiator model 221-9279 is engineered to meet the specific cooling requirements of the Toyota 4Runner, ensuring optimal engine temperature regulation. The inclusion of a transmission oil cooler enhances the radiator’s functionality by supporting transmission fluid cooling, which is critical for maintaining transmission performance and longevity.

Technical Description and Specifications

The Denso radiator 221-9279 features a core height of 22.64 inches, a core width of 26.59 inches, and a core thickness of 1.06 inches, dimensions that are tailored to fit the Toyota 4Runner’s engine bay precisely. The inlet and outlet diameters are 1.375 inches and 1.36 inches respectively, allowing for proper coolant flow and system compatibility. The integrated transmission oil cooler supports the vehicle’s transmission system by dissipating heat from the transmission fluid, which helps prevent overheating during demanding driving conditions.

Common Applications and Problem Solving

• Replaces damaged or leaking radiators in Toyota 4Runner vehicles
• Addresses overheating issues caused by inefficient cooling
• Supports transmission cooling to prevent fluid breakdown
• Restores proper coolant flow with precise inlet and outlet sizing
• Improves engine temperature regulation for consistent performance

Installation Notes and Tips

When installing the Denso radiator 221-9279 on a Toyota 4Runner, ensure all connections for the inlet and outlet hoses are secure and free of leaks. Verify that the transmission oil cooler lines are properly connected to maintain transmission fluid flow. It is recommended to flush the cooling system before installation to remove any debris or contaminants. Follow manufacturer torque specifications for mounting bolts to avoid damage.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM standards, ensuring compatibility and durability. The 221-9279 radiator undergoes rigorous quality control testing to verify performance and reliability. While specific warranty details are not provided here, Denso typically offers coverage against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.