Denso 221-4101 Radiator

Overview of Denso Radiator for Lexus LS400

The Denso 221-4101 radiator is engineered specifically for the Lexus LS400, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

• Core Height: 15.75 inches
• Core Width: 28.25 inches
• Core Thickness: 0.625 inches
• Inlet Diameter: 1.5 inches
• Outlet Diameter: 1.5 inches
• Includes Transmission Oil Cooler

Detailed Product Description

This Denso radiator, part number 221-4101, is tailored for the Lexus LS400 to ensure proper fit and function. The radiator core measures 15.75 inches in height, 28.25 inches in width, and 0.625 inches in thickness, dimensions that support efficient heat dissipation. Both the inlet and outlet diameters are 1.5 inches, matching the vehicle’s cooling system connections. The inclusion of a transmission oil cooler allows for integrated cooling of the transmission fluid, which helps maintain transmission performance and longevity.

Common Applications and Problem Solving

• Replaces leaking or damaged radiator in Lexus LS400
• Addresses overheating issues due to inefficient cooling
• Resolves transmission fluid overheating with built-in oil cooler
• Fixes coolant leaks from cracked or corroded radiator cores
• Improves engine temperature regulation for consistent performance

Installation Notes and Tips

When installing the Denso 221-4101 radiator on a Lexus LS400, ensure all hose connections match the 1.5-inch inlet and outlet diameters. Properly flush the cooling system before installation to prevent contamination. Verify the transmission oil cooler lines are securely connected to avoid leaks. It is recommended to inspect and replace related components such as hoses and clamps during installation for optimal system integrity.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications for the Lexus LS400, ensuring compatibility and durability. The 221-4101 radiator undergoes rigorous quality control to maintain performance standards. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.