Denso 221-3106 Radiator

Denso 221-3106 Radiator for Toyota Paseo and Tercel

Denso 221-3106 is a radiator built for specific Toyota applications, including the 1996-1998 Toyota Paseo and 1995-1998 Toyota Tercel. It is engineered around OE-style dimensions and cooling requirements to support consistent engine temperature control and dependable fitment.

Key Features

• Core height: 12.8120
• Core width: 25.1250
• Core thickness: 1.0000
• Inlet diameter: 1.1250
• Outlet diameter: 1.1250
• Transmission oil cooler included
• OE-focused radiator construction from Denso

Detailed Description

This Denso radiator, part number 221-3106, is built to match the cooling system requirements of the Toyota Paseo and Toyota Tercel listed in the fitment data. Denso supplies radiators to OE vehicle manufacturers worldwide, and this unit reflects that experience through controlled core dimensions, tank design, fin pitch, and material selection. The result is a radiator intended to maintain proper engine cooling performance while matching the original application’s fitment needs.

For shoppers searching for a Toyota Paseo radiator or Toyota Tercel radiator, Denso 221-3106 provides a direct replacement option with a transmission oil cooler included. It cross-references APDI 8011750 and Spectra Premium CU1750 for the same application.

What This Radiator Helps Address

• Engine overheating caused by a failing or restricted radiator
• Coolant leaks from cracked tanks or worn radiator seams
• Reduced cooling efficiency from damaged or clogged core passages
• Transmission fluid temperature control when the cooler circuit is part of the system
• Fitment issues when replacing the original Toyota Paseo or Toyota Tercel radiator

Installation Notes and Tips

Verify inlet and outlet hose sizes before installation: both are 1.1250. Confirm the radiator matches the vehicle’s cooling system layout and transmission cooler connections before removing the original unit. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation. Bleed air from the system according to factory service procedures to help prevent hot spots and temperature fluctuations.

Quality Assurance

Denso states that its radiators are built to OE standards and undergo durability and function testing before release. That manufacturing approach supports consistent performance, fitment, and reliability for Toyota Paseo and Toyota Tercel cooling system service.