For Infiniti 11-13 QX56 14-19 QX80 Radiator Overflow Bottle Coolant Reservoir

Radiator Overflow Bottle Coolant Reservoir for Infiniti

This radiator overflow bottle coolant reservoir for Infiniti stores excess engine coolant and maintains correct cooling system pressures.

Overview

This durable radiator overflow bottle coolant reservoir for Infiniti prevents coolant loss by safely catching expanding hot fluids. Designed to resist cracking under high engine bay heat, this radiator overflow bottle coolant reservoir keeps your vehicle operating at stable temperatures. It is ideal for mechanics and DIY enthusiasts replacing brittle or leaking factory expansion tanks.

Built For Performance

• Made of heavy-duty plastic to withstand constant thermal cycling.
• Includes level markings for quick coolant level checks.
• Designed to mount directly to factory chassis mounting brackets.
• Engineered to maintain pressure balance in the cooling system.

Fits These Machines

• for Infiniti QX56 2011-2013
• for Infiniti QX80 2014-2019

On-The-Job Use

• Replacing cracked or leaking coolant tanks to prevent engine overheating.
• Restoring the engine cooling system during front-end body repairs.
• Preventing fluid loss and maintaining correct system pressure.

Specs At A Glance

Good To Know

Q: Why do plastic reservoirs leak over time? A: Repeated heating and cooling cycles cause the plastic tank to become brittle, leading to hairline cracks and leaks.

Q: Does this reservoir come with a cap? A: This reservoir is designed to accept factory cap specifications or includes a matching cap where noted.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.