Four Seasons 86057 Engine Coolant Filler Neck

Coolant Filler Neck for Toyota Yaris

Four Seasons 86057 is an engine coolant filler neck built from steel for a direct-fit cooling system repair. It is a coolant filler neck without thermostat, made for Toyota Yaris applications that need a replacement coolant fill point with the correct OE-style layout.

Key Features

• Steel construction for cooling system durability
• Engine coolant filler neck, w/o thermostat
• Cap not included
• Clamps not included
• Mounting hardware not included
• Part number: 86057

Product Details

This Four Seasons Coolant Filler Neck is part of the brand’s coolant component line and is intended for vehicles that use a separate filler neck in the engine cooling circuit. The steel design supports a secure coolant fill connection and is listed for 2006-2016 Toyota Yaris and 2016 Toyota Yaris R applications. If you are replacing a worn, corroded, or leaking coolant filler neck on a Toyota Yaris, Four Seasons 86057 provides a direct replacement option for the original-style coolant routing.

This part cross-references Motorad CH7680 for the same application.

What It Helps Fix

• Coolant leakage at the filler neck
• Corrosion or rust damage on the original steel neck
• Cracked or warped coolant fill connection
• Poor sealing at the coolant fill point
• Service issues caused by a damaged engine coolant component

Installation Notes

Verify the vehicle’s cooling system layout before installation. This coolant filler neck is listed without thermostat, and cap, clamps, and mounting hardware are not included. Transfer or source the correct related components as needed for the repair, and inspect hoses, seals, and mating surfaces before filling the system with coolant.

Quality Assurance

Four Seasons supplies engine coolant components for cooling system service, and this filler neck is built to match the listed Toyota Yaris and Toyota Yaris R applications. Confirm fitment by year, model, and cooling system configuration before installation.