Denso 221-9173 Radiator

Overview of the Denso Radiator for Nissan Frontier and Xterra

The Denso radiator part number 221-9173 is engineered to provide reliable cooling performance for Nissan Frontier and Xterra models. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine temperature regulation under various driving conditions.

• Core Height: 17.7165 inches
• Core Width: 27.0866 inches
• Core Thickness: 1.2598 inches
• Inlet Diameter: 1.3780 inches
• Outlet Diameter: 1.3780 inches
• Includes Transmission Oil Cooler

Technical Specifications and Features

This Denso radiator features a core height of 17.7165 inches and a width of 27.0866 inches, providing ample surface area for heat dissipation. The core thickness of 1.2598 inches ensures durability and efficient coolant flow. Both the inlet and outlet diameters measure 1.3780 inches, matching OEM specifications for seamless integration. The inclusion of a transmission oil cooler supports the cooling of transmission fluid, which is critical for maintaining transmission performance and longevity in Nissan Frontier and Xterra vehicles.

Compatible Nissan Models and Applications

This radiator is specifically compatible with Nissan Frontier and Nissan Xterra models, ensuring proper fitment and function. The part number 221-9173 corresponds directly to these vehicles, making it a suitable replacement for original equipment radiators that require the same core dimensions and transmission oil cooler integration.

• Overheating issues due to radiator core damage or clogging
• Transmission fluid overheating caused by a faulty cooler
• Coolant leaks from worn or cracked radiator components
• Reduced engine cooling efficiency impacting vehicle performance
• Replacement of OEM radiator with matching specifications

Installation Notes and Tips

When installing the Denso radiator 221-9173, ensure all hose connections match the 1.3780-inch inlet and outlet diameters for a secure fit. Verify that the transmission oil cooler lines are properly connected to maintain transmission fluid cooling. It is recommended to flush the cooling system before installation to remove debris and prevent contamination. Use manufacturer-recommended coolant and follow torque specifications for mounting hardware to avoid leaks or damage.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM standards, providing reliable cooling system performance. This radiator includes a transmission oil cooler integrated within the core, tested for durability and efficiency. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms related to part number 221-9173.