Denso 221-3149 Radiator

Denso Radiator for Toyota Sequoia and Tundra

The Denso 221-3149 radiator is built for direct-fit cooling system service on select Toyota trucks and SUVs. It is engineered to match OE-style dimensions and connection sizes for dependable engine temperature control in demanding driving conditions.

• Core height: 25.5620 in.
• Core width: 27.6870 in.
• Core thickness: 1.4370 in.
• Inlet diameter: 1.5000 in.
• Outlet diameter: 1.5000 in.
• No transmission oil cooler included

OE-Style Cooling Performance

Denso supplies radiators to original equipment vehicle manufacturers worldwide, and this radiator reflects that OE-focused engineering approach. The core dimensions, tank design, fin pitch, and materials are built to meet strict manufacturer standards for fitment, durability, and cooling efficiency. Part number 221-3149 is a practical replacement choice for Toyota Sequoia and Toyota Tundra applications where consistent engine cooling is critical.

This part cross-references Toyota 16400-0S010 and 16400-0S030 for the same application.

Vehicle Fitment

• Fits 2014 Toyota Sequoia, N/A, to 08/2013
• Fits 2008-2013 Toyota Sequoia, N/A
• Fits 2007-2013 Toyota Tundra, N/A

What This Radiator Helps Address

• Overheating caused by a worn or inefficient radiator
• Coolant temperature instability during towing or stop-and-go driving
• Leaks from aging radiator tanks or core damage
• Reduced cooling performance from restricted or deteriorated internal passages
• Fitment issues when replacing an OE-style Toyota Sequoia or Toyota Tundra radiator

Installation Notes

Verify core dimensions, inlet and outlet sizes, and vehicle application before installation. This radiator does not include a transmission oil cooler, so confirm your original cooling system configuration matches this design. For best results, inspect hoses, clamps, and coolant condition during replacement on Toyota Sequoia and Toyota Tundra models.

Quality Assurance

Denso radiators are built to OE standards and undergo durability and function testing before release. That testing process supports reliable cooling performance and consistent fitment for part number 221-3149.