Four Seasons 86373 Engine Coolant Water Inlet

Engine Coolant Water Inlet

Four Seasons 86373 is an engine coolant water inlet built for direct replacement use in compatible cooling system applications. It includes a gasket or seal and is made from steel for a durable fit in the thermostat and housing area.

Key Features

• Steel construction for cooling system service
• Gasket or seal included for installation
• Thermostat not included
• Water inlet style for engine coolant components
• Four Seasons 86373 part number for easy identification

Detailed Description

This Four Seasons water inlet, part number 86373, is a replacement engine coolant component used in applications that require an inlet without a thermostat. The steel body and included gasket or seal support a secure connection in the cooling circuit, helping restore proper coolant routing where the original inlet has worn, corroded, or begun to leak. It is a practical choice for service on Cadillac XT5, CT5, and XT6 models, as well as Chevrolet Camaro applications and other listed vehicles.

Four Seasons 86373 cross-references Gates CO35087 for the same application.

What It Is Used For

• Replacing a leaking or damaged coolant inlet
• Restoring coolant flow through the thermostat housing area
• Addressing corrosion or wear in the inlet assembly
• Correcting sealing issues at the coolant connection

Installation Notes and Tips

Verify the inlet style, thermostat requirement, and fitment before installation. Confirm the gasket or seal seats properly and inspect the mating surfaces for debris, pitting, or old seal material. This part number 86373 is listed for multiple Cadillac, Chevrolet, and Buick applications, so matching the vehicle and cooling system configuration is important.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation, backed by more than 50 years of mobile A/C experience. Part number 86373 reflects that focus on service-ready replacement components.