Denso 221-9626 Radiator

Denso Radiator for Toyota Highlander and Grand Highlander

This Denso radiator, part number 221-9626, is built for OE-style cooling performance and direct fitment on select Toyota applications. It serves 2020-2024 Toyota Highlander and 2024 Toyota Grand Highlander models with the radiator configuration specified below.

Key Features

• Core height: 22.6220
• Core width: 27.5590
• Core thickness: 0.6300
• Inlet diameter: 1.5160
• Outlet diameter: 1.5160
• No transmission oil cooler included
• OE-style radiator construction from Denso Radiator

OE-Style Cooling Performance

Denso is a major OE radiator supplier, and this radiator reflects that background with dimensions, tank design, fin pitch, core size, and materials selected to meet original equipment standards. The result is a radiator engineered for consistent engine temperature control and dependable fitment in Toyota Highlander and Toyota Grand Highlander cooling systems. If you are replacing a worn or leaking radiator, Denso 221-9626 provides a direct replacement path for the listed vehicles.

This part cross-references Bosch 13842 and CSF 3970 for the same application.

What This Radiator Helps Address

• Coolant leaks from a damaged or corroded radiator core
• Overheating caused by restricted coolant flow
• Temperature instability from an aging radiator assembly
• Fitment issues when replacing an OE-style Toyota Highlander radiator
• Cooling system service needs on a Toyota Grand Highlander radiator replacement

Installation Notes and Fitment

• Fits 2024 Toyota Grand Highlander, N/A
• Fits 2020-2024 Toyota Highlander, N/A
• Verify inlet and outlet diameter, core dimensions, and transmission cooler requirements before installation.
• Inspect hoses, clamps, and coolant condition during radiator replacement.
• Flush the cooling system if contamination or debris is present.

Quality Assurance

Denso states that its radiators undergo durability and function testing before release. Part number 221-9626 is built to the brand’s OE-focused standards for fit, performance, and reliability in demanding driving conditions.