Four Seasons 86377 Engine Coolant Water Inlet

Engine Coolant Water Inlet Overview

This Four Seasons engine coolant water inlet is built for Mitsubishi cooling system service where a direct-fit inlet is needed. It is an aluminum inlet with no thermostat and no gasket or seal included, making it a focused replacement for the cooling circuit.

Part number 86377 is listed for Mitsubishi Outlander, Outlander PHEV, and Lancer applications. If you are replacing a worn or leaking coolant inlet on a Mitsubishi Outlander or Mitsubishi Lancer, this part number 86377 matches the specified inlet-style application.

Key Features

• Aluminum construction for a durable cooling-system component.
• Inlet-style design for engine coolant routing.
• No thermostat included for applications that reuse the existing thermostat setup.
• No gasket or seal included, so sealing components must be sourced separately if required.
• Four Seasons Water Inlet product line for engine coolant components.

Detailed Description

Four Seasons 86377 is an engine coolant water inlet designed as an inlet-only component for the cooling system. The aluminum body and compact inlet dimensions support a precise replacement where the original part uses a thermostat-less inlet configuration. This part number 86377 is cataloged for 2008-2024 Mitsubishi Outlander, 2018-2024 Mitsubishi Outlander PHEV, and 2008-2017 Mitsubishi Lancer applications.

The Water Inlet line focuses on engine coolant components, giving buyers a straightforward replacement option when servicing the coolant passage on a Mitsubishi Outlander or Mitsubishi Lancer. For fitment-specific searches, this is a Mitsubishi Outlander water inlet and Mitsubishi Lancer coolant inlet replacement identified by part number 86377.

What It Is Used For

• Replacing a cracked or corroded coolant inlet.
• Restoring coolant flow through the inlet housing.
• Addressing leaks at the inlet connection point.
• Servicing a thermostat-less cooling system layout.
• Matching the specified inlet-style cooling component for listed Mitsubishi applications.

Installation Notes and Tips

Verify the inlet diameter, mounting flange width, and overall height against the original part before installation. Because no gasket or seal is included, confirm the required sealing components for your application. This part is specified without a thermostat, so reuse or source the thermostat separately only if your vehicle setup requires one.

Quality Assurance

Four Seasons states that its products are engineered and tested for long service life, backed by more than 50 years of mobile A/C experience. Part number 86377 is supported by that product-development background for cooling-system replacement use.