Koyorad A2577 Radiator

Koyorad A2577 Radiator for Nissan 350Z

The Koyorad A2577 radiator is an OE-equivalent replacement built for 2003-2006 Nissan 350Z applications. It uses an aluminum core with plastic tanks to match the factory-style layout while supporting reliable engine cooling for daily driving and repair work.

For buyers searching for a 2003 Nissan 350Z radiator, 2004-2006 Nissan 350Z cooling replacement, or a direct-fit Koyorad A2577 radiator, this part is built around the original dimensions and hose connections.

• Fits 2003-2006 Nissan 350Z, N/A
• Aluminum core construction for efficient heat transfer
• Single-row core design
• Core dimensions: 15.75 in. height, 29.5 in. width, 0.625 in. thickness
• Inlet diameter: 1.375 in.; outlet diameter: 1.375 in.
• Plastic tank construction for OE-style fit and function

OE-Style Cooling Replacement

Koyorad builds the A2577 as a direct replacement radiator for the Nissan 350Z, using OE-equivalent construction and dimensions to match the original cooling system layout. The aluminum core helps transfer heat efficiently, while the plastic tanks follow the factory-style design used on the vehicle. This makes the Koyorad A2577 a practical choice when replacing a leaking, clogged, or damaged radiator on 2003-2006 Nissan 350Z models.

Common Issues This Radiator Can Address

• Coolant leaks from a cracked or aging radiator tank
• Restricted coolant flow from internal buildup or corrosion
• Overheating caused by reduced radiator efficiency
• Physical damage to the core from road debris or impact
• Cooling system service needs during engine repair or maintenance

Installation Notes and Tips

Verify hose diameter, core size, and mounting points against the original radiator before installation. Inspect the radiator cap, hoses, clamps, and coolant condition at the same time to help complete the cooling system service. Proper bleeding of the cooling system after installation is important to remove trapped air and restore stable operating temperatures.

Quality Assurance

Koyorad states that its radiators are built as OE-equivalent replacements and are backed by the company’s manufacturing experience in cooling components. Part number A2577 is intended for direct replacement use on the listed Nissan 350Z applications.