Koyorad A2683 Radiator

Koyorad A2683 Radiator for INFINITI FX35

The Koyorad A2683 radiator is an OE-equivalent replacement built for the 2003-2008 INFINITI FX35. It combines an aluminum core with plastic tanks and includes an internal transmission oil cooler for direct replacement service on the factory cooling system.

Key Features

• Fits 2003-2008 INFINITI FX35, N/A
• Aluminum core construction for efficient heat transfer
• Plastic tank design for OE-style fit and function
• Single-row core layout
• Internal transmission oil cooler included
• Transmission oil cooler diameter: 1.0625 in.
• Inlet and outlet diameter: 1.375 in.
• Core dimensions: 17.6875 in. height x 29.625 in. width x 1 in. thickness

Product Details

Koyorad A2683 is a radiator replacement for the INFINITI FX35 that follows OE-equivalent construction and sizing. The aluminum core supports heat dissipation, while the plastic tanks match the common factory-style radiator layout used in many late-model vehicles. With the internal transmission oil cooler included, this radiator supports both engine cooling and transmission fluid temperature control in one assembly. Koyorad A2683 is a practical choice for drivers looking for a direct-fit radiator replacement for 2003-2008 INFINITI FX35 cooling system service.

This part cross-references OE-style radiator applications for the same vehicle platform.

Common Cooling System Issues It May Address

• Coolant leaks from a damaged or aging radiator
• Overheating caused by restricted or inefficient heat exchange
• Transmission fluid temperature concerns related to the radiator cooler circuit
• Cracked plastic tanks or worn hose connections
• Reduced cooling performance from corrosion or internal wear

Installation Notes and Tips

Verify inlet and outlet hose sizes, cooler line connections, and overall core dimensions before installation. Flush the cooling system, inspect hoses and clamps, and confirm the transmission cooler lines are clean before connecting the replacement radiator. After installation, refill with the correct coolant mixture and bleed air from the system according to factory service procedures.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific engineering and replacement-focused construction. The A2683 is built to match the factory-style cooling layout for the INFINITI FX35 and support reliable fitment in the specified model years.