Koyorad CD311421 A/C Condenser

Koyorad CD311421 A/C Condenser for GM Vans

The Koyorad CD311421 is an OE-equivalent A/C condenser built for direct replacement in select Chevrolet Express and GMC Savana vans. It is designed for owners replacing a leaking, damaged, or inefficient condenser and looking for a factory-style HVAC component that matches the original application.

Koyorad’s A/C condenser line focuses on replacement parts manufactured with the technical experience needed to restore proper air-conditioning performance on the first installation. The CD311421 is a practical choice for Chevrolet Express 1500, 2500, and 3500, as well as GMC Savana 1500, 2500, and 3500 applications.

• OE-equivalent A/C condenser for direct replacement
• Built for 2003-2021 Chevrolet Express 2500 and Express 3500
• Built for 2003-2021 GMC Savana 2500 and Savana 3500
• Built for 2003-2014 Chevrolet Express 1500 and GMC Savana 1500
• Part number: CD311421
• Cross-reference: CSF 3887

Detailed Product Overview

This Koyorad A/C Condenser is intended for GM full-size vans that rely on efficient heat exchange to keep cabin air conditioning operating correctly. If your Chevrolet Express or GMC Savana has reduced cooling performance, visible condenser damage, or corrosion-related leakage, the CD311421 provides a replacement built around the original vehicle application. The part number CD311421 is also useful when cross-checking catalog listings for the same condenser fitment.

Vehicle Fitment

• Fits 2003-2021 Chevrolet Express 2500, N/A
• Fits 2003-2021 Chevrolet Express 3500, N/A
• Fits 2003-2021 GMC Savana 2500, N/A
• Fits 2003-2021 GMC Savana 3500, N/A
• Fits 2003-2014 Chevrolet Express 1500, N/A
• Fits 2003-2014 GMC Savana 1500, N/A

Common Replacement Reasons

• Air conditioning no longer cools as effectively as it should
• Condenser fins are bent, clogged, or damaged from road debris
• Refrigerant leakage is present at the condenser assembly
• System performance has dropped after corrosion or age-related wear
• Original condenser needs replacement during HVAC service on a Chevrolet Express or GMC Savana

Installation Notes and Tips

Verify the vehicle year, model, and HVAC configuration before ordering. Inspect adjacent A/C components, lines, and seals during condenser replacement, and evacuate and recharge the system according to proper service procedures after installation. Confirm the part number CD311421 against the existing condenser and catalog references before final assembly.

Quality Assurance

Koyorad manufactures OE-style replacement condensers using application-specific engineering and production experience focused on accurate fit and dependable HVAC service. This product line is positioned as a quality replacement solution for Chevrolet Express and GMC Savana condenser service.