Nissens 686805 Radiator

Nissens Radiator for Infiniti Q50

The Nissens 686805 radiator is built for direct-fit cooling performance on 2014-2015 Infiniti Q50 applications. It combines an aluminum core with plastic tanks and an integrated transmission oil cooler to support stable operating temperatures in daily driving and demanding conditions.

Fits 2014-2015 Infiniti Q50, N/A.

Key Features

• Aluminum core with plastic tank construction
• Brazed cooling fins for efficient heat transfer
• Transmission oil cooler included
• Single-row core design
• Manufactured and tested to OE specifications
• Part number 686805 for Infiniti Q50 radiator replacement

Detailed Product Overview

Nissens 686805 is a radiator assembly engineered for the 2014-2015 Infiniti Q50 and built around OE-style dimensions and materials. The core measures 14.96 inches long, 28.27 inches wide, and 1.02 inches thick, with a brazed fin construction that supports consistent thermal exchange. The aluminum core and plastic tank layout is paired with an included transmission oil cooler, making this radiator a practical replacement for vehicles that rely on integrated cooling management. If you are sourcing a 686805 radiator for an Infiniti Q50, this unit is designed to match the original application requirements.

This part cross-references APDI 8013440 for the same application.

Common Problems This Radiator Can Address

• Engine temperature running higher than normal
• Coolant leaks from a damaged radiator core or tank
• Transmission heat buildup in vehicles with an integrated cooler
• Reduced cooling efficiency from corrosion or internal restriction
• Fitment issues after replacing a worn Infiniti Q50 radiator

Installation Notes and Tips

Verify radiator dimensions and cooler line connections against the original unit before installation. Inspect hoses, clamps, and mounting points for wear, and flush the cooling system if contamination or corrosion is present. Because this radiator includes a transmission oil cooler, confirm proper line routing and secure all connections to factory specifications during installation.

Quality Assurance

Nissens radiators are tested for corrosion resistance, vibration, pressure impulse, thermal expansion, and thermal performance. The 686805 radiator is manufactured and validated to OE specifications for fit and function on the listed Infiniti Q50 applications.