Koyorad A13078 Radiator

Koyorad A13078 Radiator for Infiniti Cooling Repair

The Koyorad A13078 radiator is an OE-equivalent replacement built for select Infiniti models with automatic transmission cooling provisions. It uses an aluminum core with plastic tanks to match common factory-style construction and support dependable heat transfer in daily driving.

Compatible With 2008-2017 Infiniti EX35, FX35, FX37, and QX50 applications, this radiator is a direct-fit cooling system service part for vehicles that need a replacement radiator with integrated transmission oil cooler connections. The Koyorad A13078 is a practical choice when restoring proper engine temperature control on Infiniti EX35 and FX35 cooling systems.

Key Features

• OE-equivalent replacement radiator from Koyorad
• Aluminum core with plastic tanks
• Single-row core design
• Core dimensions: 25.0625 in. height, 21.375 in. width, 0.625 in. thickness
• Inlet and outlet diameter: 1.375 in.
• Transmission oil cooler diameter: 1.0625 in. with 5 plates
• Part number A13078 for accurate ordering and catalog matching

Detailed Description

Koyorad manufactures replacement radiators with OE-equivalent specifications, and the A13078 follows that approach for Infiniti cooling system service. The aluminum core helps transfer heat efficiently, while the plastic tank construction reflects the factory-style layout used on many modern vehicles. With integrated transmission oil cooler fittings, this radiator supports both engine cooling and automatic transmission fluid temperature management in the same assembly. For shoppers searching for an Infiniti EX35 radiator replacement, FX35 radiator, or Infiniti QX50 radiator by part number A13078, this unit provides a direct-reference solution for the listed applications.

Common Problems This Radiator Can Address

• Leaking radiator tanks or core seams
• Overheating caused by reduced coolant flow or heat rejection
• Transmission fluid temperature issues related to a failing cooler section
• Corrosion or age-related deterioration in the original radiator
• Cooling system service needs after long-term wear

Installation Notes and Tips

Verify inlet and outlet sizing, core dimensions, and transmission cooler connections before installation. Drain the cooling system fully, inspect hoses and clamps, and check the fan shroud, thermostat, and coolant condition while the radiator is out. After installation, refill with the correct coolant mixture and bleed air from the system according to the vehicle service procedure.

Quality Assurance

Koyorad positions this radiator as an OE-equivalent replacement built from application-specific engineering and manufacturing experience. Part number A13078 is intended for the listed Infiniti fitments and is selected for factory-style replacement needs in the cooling system.

Fits 2014-2017 Infiniti QX50, N/A. Fits 2013 Infiniti FX37, N/A. Fits 2009-2012 Infiniti FX35, N/A. Fits 2008-2011 Infiniti EX35, N/A.