Denso 221-3207 Radiator

Denso 221-3207 Radiator for Honda Civic

The Denso 221-3207 radiator is a direct-fit cooling system replacement for select 1999-2000 Honda Civic models. Built to OE-level specifications, it supports stable engine temperature control with the fitment and dimensions needed for a proper radiator replacement.

Key Features

• Fits 1999-2000 Honda Civic, N/A
• Core height: 13.7500 in.
• Core width: 13.6870 in.
• Core thickness: 0.6250 in.
• Inlet diameter: 1.1250 in.
• Outlet diameter: 1.1250 in.
• Transmission oil cooler included
• Denso part number 221-3207

Detailed Description

Denso 221-3207 is engineered as an OE-style radiator replacement for the 1999-2000 Honda Civic. Denso supplies radiators to vehicle manufacturers worldwide, and this radiator follows the same focus on fitment, core sizing, tank design, fin pitch, and material selection used in original equipment applications. The result is a radiator built to match the cooling demands of the vehicle while maintaining the dimensions needed for installation in the factory location.

This radiator includes a transmission oil cooler and uses 1.1250-inch inlet and outlet connections. For buyers searching for a 1999 Honda Civic radiator, 2000 Honda Civic radiator, or Denso 221-3207 replacement, this unit provides the OE-based specifications needed for a straightforward cooling system repair.

This part cross-references Honda (e.g., 19010-P03-505, 19010-P2C-903) for the same application.

What It Helps Address

• Engine overheating caused by a failing radiator core
• Coolant leaks from cracked or worn radiator components
• Restricted heat transfer from damaged fins or internal blockage
• Transmission cooling concerns when the original cooler circuit is compromised
• Fitment issues from using a radiator with incorrect dimensions

Installation Notes and Tips

Verify core height, core width, core thickness, and hose connection sizes before installation. Confirm that the transmission oil cooler lines match the vehicle’s original setup, and inspect hoses, clamps, and coolant condition during replacement. Proper bleeding of the cooling system helps restore normal circulation after installation.

Quality Assurance

Denso builds radiators to OE manufacturer standards and subjects them to durability and function testing before release. That manufacturing approach supports consistent fitment and dependable cooling performance in daily driving conditions.