Four Seasons 86239 Engine Coolant Thermostat / Water Outlet Assembly

Reliable Engine Coolant Thermostat and Water Outlet Assembly

The Four Seasons Water Outlet assembly with part number 86239 is designed specifically for Acura MDX and RDX models. This engine coolant thermostat and water outlet assembly ensures proper coolant flow and temperature regulation for optimal engine performance.

• Includes thermostat and gasket for complete installation
• Constructed from durable plastic material
• Maximum height of 4.3 inches for precise fitment
• Inlet diameter of 1.26 inches to match OEM specifications
• Bolt hole center-to-center distance of 2.53 inches for secure mounting
• Meets or exceeds OEM standards for reliable operation
• Flange width of 0.28 inches for proper sealing
• Designed as an outlet type with integrated thermostat

About the Four Seasons Water Outlet Product Line

The Four Seasons Water Outlet product line focuses on engine coolant components that combine thermostat and water outlet functions into a single assembly. This integration simplifies replacement and maintenance for vehicles like the Acura MDX and RDX, ensuring consistent coolant flow and temperature control. The Water Outlet assemblies are engineered to meet or exceed OEM requirements, providing a dependable solution for cooling system repairs.

Detailed Product Description

This Four Seasons engine coolant thermostat and water outlet assembly (part number 86239) is made from high-quality plastic designed to withstand engine heat and pressure. The included thermostat regulates coolant temperature, while the water outlet directs coolant flow through the engine cooling system. The assembly features a 1.26-inch inlet diameter and a bolt hole spacing of 2.53 inches, matching the exact specifications required for Acura MDX and RDX models. The gasket included ensures a secure, leak-free installation. With a maximum height of 4.3 inches and a flange width of 0.28 inches, this part fits precisely and maintains proper sealing under operating conditions.

Common Issues Addressed by This Part

• Engine overheating due to thermostat failure
• Coolant leaks from damaged or worn water outlet
• Inconsistent engine temperature regulation
• Corrosion or cracking in original plastic water outlet
• Coolant flow restrictions affecting engine performance

Installation Notes and Tips

• Ensure engine is cool before beginning installation
• Drain coolant system to prevent spills and contamination
• Remove old thermostat and water outlet carefully to avoid damaging mounting surfaces
• Clean gasket surfaces thoroughly before installing new gasket and assembly
• Tighten bolts evenly to specified torque to prevent leaks
• Refill coolant and bleed air from the system after installation

Quality Assurance and Warranty

The Four Seasons 86239 thermostat and water outlet assembly meets or exceeds OEM standards for fit, form, and function. It is manufactured with quality materials and tested for durability and performance. This part includes a gasket and thermostat to ensure a complete and reliable replacement. Warranty coverage details should be confirmed with the product documentation or supplier.