Four Seasons 86130 Engine Coolant Filler Neck

Four Seasons Coolant Filler Neck 86130

Four Seasons 86130 is an engine coolant filler neck for vehicles that use a plastic, single-port coolant fill component without a thermostat. It is built for direct replacement service on select Chevrolet, Pontiac, Buick, and Saturn applications, including Chevrolet Impala, Chevrolet Uplander, and Pontiac Montana models.

Key Features

• Plastic coolant filler neck construction
• Single-port design for engine coolant components
• Style: without thermostat
• Outside diameter: 1.360 in.
• Cap not included
• Clamps not included
• Mounting hardware not included

Product Details

This Four Seasons coolant filler neck is part of the Coolant Filler Neck product line and is intended for cooling system service where the original filler neck has cracked, warped, or no longer seals correctly. Part number 86130 is listed for 2006-2011 Chevrolet Impala, 2006-2009 Chevrolet Uplander, 2006-2009 Pontiac Montana, 2006-2007 Buick Terraza, 2006-2007 Chevrolet Monte Carlo, and 2006-2007 Saturn Relay. This part cross-references Dayco 86130 for the same application.

Common Issues This Part Can Address

• Coolant leakage at a damaged filler neck
• Cracking or deterioration of the original plastic neck
• Poor sealing at the coolant fill point
• Service replacement after thermostat-related housing wear
• Cooling system refill issues caused by a failed neck assembly

Installation Notes

Verify the outside diameter, port count, and thermostat configuration before installation. Transfer any required components from the original setup as needed, since cap, clamps, and mounting hardware are not included. Confirm vehicle-specific fitment for the exact year and model before ordering, especially on Chevrolet Impala, Chevrolet Uplander, and Pontiac Montana applications.

Quality Assurance

Four Seasons manufactures engine coolant components for cooling system repair and replacement service. Part number 86130 is built as a direct-fit coolant filler neck for the listed applications and is intended to restore proper coolant fill function when the original part is no longer serviceable.