Denso 221-9594 Radiator

Overview of the Denso Radiator 221-9594 for Lexus Vehicles

The Denso Radiator part number 221-9594 is designed specifically for select Lexus models including the GS200t, GS300, RC200t, and RC300. This radiator ensures proper engine cooling with precise core dimensions and inlet/outlet sizes tailored for these vehicles.

• Core Height: 16.75 inches
• Core Width: 28.44 inches
• Core Thickness: 1.0625 inches
• Inlet Diameter: 1.5 inches
• Outlet Diameter: 1.5 inches
• Transmission Oil Cooler: Not included

Details on the Denso Radiator Product Line

The Denso Radiator line focuses on delivering reliable cooling components engineered to meet OEM specifications. Radiators in this line are designed with precise core dimensions to optimize heat dissipation and maintain engine temperature stability. The 221-9594 radiator is part of this line, providing a direct replacement solution for compatible Lexus models.

Technical Description and Specifications

This radiator features a core height of 16.75 inches, a core width of 28.44 inches, and a core thickness of just over 1 inch, ensuring efficient coolant flow and heat exchange. Both the inlet and outlet diameters measure 1.5 inches, matching factory hose sizes for straightforward installation. The absence of a transmission oil cooler means this radiator is intended for vehicles with separate transmission cooling systems or none at all.

Common Applications and Problem Resolution

• Replaces damaged or leaking radiators in Lexus GS200t, GS300, RC200t, and RC300 models
• Addresses engine overheating issues caused by inefficient cooling
• Resolves coolant leaks due to corrosion or physical damage
• Restores proper coolant flow with OEM-matched core dimensions
• Eliminates radiator clogging problems affecting engine performance

Installation Notes and Tips

• Verify compatibility with Lexus GS200t, GS300, RC200t, or RC300 before installation
• Ensure all hoses and clamps match the 1.5-inch inlet and outlet diameters
• Drain coolant completely before removing the old radiator to avoid spills
• Inspect and replace any worn hoses or seals during installation
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet strict quality standards and OEM specifications. The 221-9594 radiator undergoes rigorous testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.