Denso 221-3117 Radiator

Overview of the Denso Radiator for Toyota 4Runner

The Denso 221-3117 radiator is engineered specifically for Toyota 4Runner models, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine temperature management.

• Core Height: 25.5620 inches
• Core Width: 23.2500 inches
• Core Thickness: 1.0600 inches
• Inlet Diameter: 1.3750 inches
• Outlet Diameter: 1.3750 inches
• Includes Transmission Oil Cooler

Detailed Product Description

The Denso radiator part number 221-3117 features a core height of 25.5620 inches and a core width of 23.2500 inches, providing ample surface area for heat dissipation. With a core thickness of 1.0600 inches, it balances cooling efficiency and durability. Both the inlet and outlet diameters measure 1.3750 inches, ensuring compatibility with the Toyota 4Runner's cooling system hoses. This radiator also includes an integrated transmission oil cooler, which helps maintain optimal transmission fluid temperature, contributing to overall vehicle performance and longevity.

Compatible Vehicles and Applications

This radiator is compatible with Toyota 4Runner models requiring a direct replacement radiator with transmission oil cooler integration. It is designed to meet the specific cooling demands of these vehicles, ensuring proper fit and function.

Common Issues Addressed by This Radiator

• Engine overheating due to inefficient heat dissipation
• Transmission fluid overheating affecting transmission performance
• Leaks or damage in the original radiator core or tanks
• Reduced cooling capacity from clogged or corroded radiator fins
• Incompatibility with OEM hose connections causing coolant leaks

Installation Notes and Tips

• Verify radiator core dimensions and hose diameters before installation
• Ensure proper connection of transmission oil cooler lines to avoid leaks
• Flush the cooling system to remove debris before installing the new radiator
• Check for secure mounting and proper alignment to prevent vibration damage
• Refill coolant and bleed air from the system after installation

Quality Assurance and Warranty

Denso radiators are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 221-3117 radiator undergoes rigorous testing to comply with OEM specifications for the Toyota 4Runner. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.