Denso 221-3233 Radiator

Denso Radiator for Honda Civic

Restore proper engine cooling with the Denso 221-3233 radiator for 2006-2011 Honda Civic applications. Built to OE-style dimensions and materials, this radiator is made for direct-fit replacement service where consistent coolant flow and dependable heat transfer matter.

• Fits 2006-2011 Honda Civic, N/A
• Core height: 14.7500 in.
• Core width: 26.4370 in.
• Core thickness: 0.6250 in.
• Inlet diameter: 1.2500 in.
• Outlet diameter: 1.2500 in.
• No transmission oil cooler included

OE-Style Cooling Performance

Denso 221-3233 is engineered around OE radiator standards, with tank, fin pitch, core size, and material selection aligned to factory requirements. That focus on fitment and thermal performance helps maintain stable engine temperatures in daily driving, stop-and-go traffic, and other demanding conditions. This radiator cross-references Honda 19010-RNB-A01 and 19010-RNB-A51 for the same application.

What This Radiator Helps Address

• Overheating caused by a leaking or restricted radiator
• Coolant loss from cracked tanks or worn core seams
• Reduced cooling efficiency from clogged internal passages
• Temperature fluctuation during normal Honda Civic operation
• Replacement needs for a damaged 2006-2011 Honda Civic radiator

Installation Notes and Tips

Verify inlet and outlet hose sizes, mounting points, and overall core dimensions before installation. Transfer any vehicle-specific components from the original radiator as needed, and flush the cooling system if contamination or corrosion is present. After installation, refill with the correct coolant mixture and bleed the system according to Honda service procedures.

Quality Assurance

Denso supplies radiators to OE vehicle manufacturers worldwide, and this radiator is built to meet strict durability and function testing standards. The result is a replacement radiator for Honda Civic cooling service that follows OE-level fitment expectations and performance requirements.