Denso 221-9348 Radiator

Denso 221-9348 Radiator for Lexus CT200h

This Denso radiator is built for 2011-2017 Lexus CT200h inverter cooling applications. It uses OE-style dimensions and materials to support proper heat transfer, fitment, and dependable cooling performance in daily driving and demanding conditions.

Key Features

• OE-style radiator construction from Denso, a supplier to global vehicle manufacturers
• Core height: 23.6200 in.
• Core width: 03.5600 in.
• Core thickness: 0.8700 in.
• Inlet diameter: 0.6900 in.
• Outlet diameter: 0.6900 in.
• No transmission oil cooler included
• Part number: 221-9348

Detailed Description

Denso 221-9348 is a radiator engineered to match OE manufacturer standards for configuration, fin pitch, core dimensions, and materials. For Lexus CT200h inverter cooling, that means a direct-fit cooling component built around the dimensions and connection sizes needed to maintain stable thermal control. Denso’s OE manufacturing background and durability testing help ensure consistent performance and fitment for the 2011-2017 Lexus CT200h.

This radiator cross-references Spectra Premium CU13427 and CSF 3686 for the same application.

What This Radiator Helps Address

• Overheating caused by reduced coolant flow or heat rejection
• Cooling system leaks from a damaged or corroded radiator
• Temperature instability in inverter cooling service
• Poor fitment from a worn or incorrect replacement radiator
• Cooling efficiency loss from aging core materials

Installation Notes and Tips

Fits 2011-2017 Lexus CT200h, N/A. Verify inlet and outlet hose diameters, mounting points, and system configuration before installation. Flush the cooling system, inspect hoses and clamps, and confirm proper coolant fill and bleeding after replacement. This radiator does not include a transmission oil cooler.

Quality Assurance

Denso radiators are manufactured to OE-level standards and undergo durability and function testing before release. The brand’s OE supply experience supports consistent fitment and reliable cooling performance for Lexus CT200h applications.