Denso 221-9458 Radiator

Overview of Denso Radiator for Infiniti Q50

The Denso 221-9458 radiator is engineered specifically for the Infiniti Q50, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.

• Core Height: 14.9606 inches
• Core Width: 29.1220 inches
• Core Thickness: 1.0630 inches
• Inlet Diameter: 1.3750 inches
• Outlet Diameter: 1.3750 inches
• Includes Transmission Oil Cooler

Detailed Radiator Specifications

This Denso radiator (part number 221-9458) features a core height of nearly 15 inches and a width exceeding 29 inches, ensuring sufficient surface area for effective heat dissipation. The core thickness of just over 1 inch balances cooling capacity with fitment constraints. Both the inlet and outlet diameters measure 1.375 inches, compatible with the Infiniti Q50’s cooling system hoses. The inclusion of a transmission oil cooler within the radiator assembly allows for integrated cooling of transmission fluid, which helps maintain transmission performance and longevity.

Compatible Vehicles and Applications

This radiator is compatible with Infiniti Q50 models, designed to meet the specific cooling requirements of this vehicle. It is suitable for addressing common cooling system issues such as:

• Engine overheating due to radiator core damage or clogging
• Transmission fluid overheating from a faulty or missing transmission oil cooler
• Leaks or cracks in the radiator core or tanks
• Reduced cooling efficiency from corrosion or buildup inside the radiator
• Maintaining proper coolant flow with correct inlet and outlet diameters

Installation Notes and Tips

When installing the Denso 221-9458 radiator on an Infiniti Q50, ensure all hose connections match the 1.375-inch inlet and outlet diameters for a secure fit. Verify that the transmission oil cooler lines are properly connected to maintain transmission fluid cooling. Inspect the radiator mounting points for alignment and secure the radiator firmly to prevent vibration damage. It is recommended to flush the cooling system before installation to remove any debris that could impair radiator performance.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring compatibility and durability for the Infiniti Q50. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed quality assurance. Using the Denso 221-9458 radiator helps maintain the vehicle’s cooling system integrity and supports reliable engine and transmission operation.