Four Seasons 86190 Engine Coolant Thermostat / Water Outlet Assembly

Reliable Engine Coolant Thermostat and Water Outlet Assembly

The Four Seasons 86190 Water Outlet assembly is designed to maintain optimal engine temperature for select Infiniti and Nissan vehicles. This aluminum engine coolant thermostat and water outlet assembly ensures proper coolant flow and temperature regulation for models like the Infiniti G35 and Nissan 350Z.

• Constructed from durable aluminum for long-lasting performance
• Includes thermostat and gasket for a complete installation
• Compatible with Infiniti 350Z, EX35, FX35, G35, M35 and Nissan models
• Features three mounting holes with precise bolt hole spacing of 2.545 inches
• Inlet diameter of 1.350 inches for proper coolant flow
• Meets or exceeds OEM specifications for reliable fit and function
• Part number 86190 ensures correct replacement part

About the Four Seasons Water Outlet Product Line

The Four Seasons Water Outlet product line focuses on engine coolant components designed to provide reliable temperature control and coolant circulation. This Water Outlet assembly with thermostat combines essential cooling system parts into one unit, simplifying replacement and ensuring compatibility with specific Infiniti and Nissan models.

Product Details and Specifications

This engine coolant thermostat and water outlet assembly is made from aluminum, offering corrosion resistance and durability under high-temperature conditions. The assembly includes a thermostat and gasket, eliminating the need for additional parts during installation. It features three mounting holes with a bolt hole center-to-center distance of 2.545 inches and a mounting flange width of 0.924 inches. The inlet diameter measures 1.350 inches, designed to match OEM coolant hose connections. The base is asymmetrical, and while a bleeder screw is not included, the assembly meets or exceeds OEM standards for fit and performance.

Common Applications and Issues Addressed

• Replacement for faulty or leaking water outlet assemblies on Infiniti G35 and Nissan 350Z
• Resolves engine overheating caused by thermostat failure
• Prevents coolant leaks due to worn or damaged gaskets
• Restores proper coolant flow in the cooling system
• Addresses corrosion or damage to original aluminum water outlet parts

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Remove the old water outlet assembly carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly before installing the new gasket and assembly. Torque mounting bolts to manufacturer specifications to prevent leaks. Verify proper thermostat operation after installation by monitoring engine temperature during initial startup.

Quality Assurance and Warranty

The Four Seasons 86190 Water Outlet assembly is manufactured to meet or exceed OEM quality standards, ensuring reliable performance and fitment. This part is backed by Four Seasons' quality assurance protocols, providing confidence in durability and function. Please refer to Four Seasons for specific warranty details related to this part number.