Four Seasons 86056 Engine Coolant Filler Neck

Four Seasons Coolant Filler Neck 86056

Four Seasons 86056 is an engine coolant filler neck for select Toyota and Scion applications. This plastic coolant filler neck is specified as a w/o thermostat style component and is listed as engine coolant components for direct replacement use.

Key Features

• Plastic coolant filler neck construction
• Style: w/o thermostat
• Type: engine coolant filler neck
• Clamps not included
• Mounting hardware not included
• Cap not included

Product Details

The Four Seasons Coolant Filler Neck line focuses on replacement engine coolant components for cooling system service. Part number 86056 is built for vehicles that use a filler neck without an integrated thermostat, making it a direct-match service part for the cooling system inlet area. This part number 86056 is listed for 2000-2005 Toyota Echo, 2004-2006 Scion xA, and 2004-2006 Scion xB applications.

This part cross-references Motorad CH7679 for the same application.

Common Issues Addressed

• Cracked or brittle coolant filler neck housing
• Coolant leakage at the filler neck connection point
• Damaged plastic neck from age or heat cycling
• Improper sealing at the coolant fill location
• Cooling system service needs on Toyota Echo and Scion xA/xB models

Installation Notes

Verify the vehicle’s cooling system layout before installation and compare the original neck to Four Seasons 86056. Transfer any reusable related components as needed, since clamps, mounting hardware, and cap are not included. Confirm the replacement matches the w/o thermostat configuration before final assembly.

Quality Assurance

Four Seasons supplies replacement cooling system components for service applications, and this coolant filler neck is cataloged for specific Toyota Echo and Scion xA/xB fitments. Confirm year, model, and cooling system configuration against the vehicle before installation.