HomeBelts and Cooling > Thermostat and HousingFour Seasons 86234 Engine Coolant Thermostat / Water Outlet Assembly
Part #: 86234

Four Seasons 86234 Engine Coolant Thermostat / Water Outlet Assembly

Water Outlet
⚙️ 62 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Water Outlet
🚗Fitment: Honda and Acura, Odyssey, Passport, Pilot, Ridgeline, and RDX
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Overview of Four Seasons Water Outlet Assembly 86234

The Four Seasons Water Outlet Assembly 86234 is designed for reliable engine coolant management in select Acura and Honda vehicles. This assembly includes a thermostat and gasket, ensuring proper fit and function for models such as the MDX, Odyssey, Passport, Pilot, RDX, and Ridgeline.

  • Material: Durable plastic construction
  • Includes thermostat and gasket for complete installation
  • Maximum height: 4.77 inches
  • Bolt hole center-to-center distance: 2.66 inches
  • Inlet diameter: 1.25 inches
  • Mount flange width: 0.27 inches
  • Meets or exceeds OEM specifications
  • Style: Water outlet with integrated thermostat

Four Seasons Water Outlet Product Line Details

The Four Seasons Water Outlet product line focuses on engine coolant components that maintain optimal engine temperature and performance. This line includes assemblies that combine the water outlet and thermostat into a single unit, simplifying replacement and ensuring compatibility with specific vehicle models. The 86234 part is engineered to meet or exceed OEM standards, providing a reliable solution for cooling system maintenance.

Product Description and Features

This engine coolant thermostat and water outlet assembly is constructed from high-quality plastic designed to withstand engine heat and pressure. The included thermostat regulates coolant flow, while the gasket ensures a secure, leak-free seal. With precise dimensions such as a 2.66-inch bolt hole spacing and a 1.25-inch inlet diameter, this part fits accurately on compatible Acura and Honda vehicles. The integrated design streamlines installation and reduces the risk of coolant leaks or overheating.

Common Applications and Issues Addressed

  • Replacement of faulty or leaking water outlet assemblies
  • Thermostat failure causing engine overheating or poor temperature regulation
  • Coolant leaks due to worn or damaged gaskets
  • Maintaining proper coolant flow in Acura MDX, Honda Odyssey, Passport, Pilot, RDX, and Ridgeline models
  • Preventing engine damage from overheating or coolant system malfunctions

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns. Remove the old water outlet assembly carefully, cleaning the mounting surface thoroughly to remove any old gasket material. Use the included gasket to prevent leaks and torque bolts to manufacturer specifications. Verify proper thermostat orientation and coolant flow direction during installation. After installation, refill the cooling system and check for leaks during engine warm-up.

Quality Assurance and Warranty

The Four Seasons Water Outlet Assembly 86234 meets or exceeds OEM specifications for fit, form, and function. It is manufactured to provide reliable performance in Acura and Honda vehicles. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandFour Seasons
Part Number86234
PositionWater Outlet
Bolt Hole Center To Bolt Hole Center2.66
DescriptionEngine Coolant Components
Gasket Or Seal IncludedIncluded
Inlet Dia. IN1.25
MaterialPlastic
Maximum Height4.77
Meets / Exceeds OEM?Yes
Mnt Flange Width IN0.27
Stylew/ Thermostat
Thermostat Included?Included
TypeOutlet

This part fits 62 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2025AcuraMDX3.5LV6N/AWater Outlet
2025HondaOdysseyN/AWater Outlet
2025HondaPassportN/AWater Outlet
2025HondaPilotN/AWater Outlet
2025HondaRidgelineN/AWater Outlet
2024AcuraMDX3.5LV6N/AWater Outlet
2024HondaOdysseyN/AWater Outlet
2024HondaPassportN/AWater Outlet
2024HondaPilotN/AWater Outlet
2024HondaRidgelineN/AWater Outlet
2023AcuraMDX3.5LV6N/AWater Outlet
2023HondaOdysseyN/AWater Outlet
2023HondaPassportN/AWater Outlet
2023HondaPilotN/AWater Outlet
2023HondaRidgelineN/AWater Outlet
2022AcuraMDX3.5LV6N/AWater Outlet
2022HondaOdysseyN/AWater Outlet
2022HondaPassportN/AWater Outlet
2022HondaPilotN/AWater Outlet
2022HondaRidgelineN/AWater Outlet
2021HondaOdysseyN/AWater Outlet
2021HondaPassportN/AWater Outlet
2021HondaPilotN/AWater Outlet
2021HondaRidgelineN/AWater Outlet
2020HondaOdysseyN/AWater Outlet
2020HondaPassportN/AWater Outlet
2020HondaPilotTouringN/AWater Outlet
2020HondaPilotEliteN/AWater Outlet
2020HondaRidgelineN/AWater Outlet
2019HondaOdysseyN/AWater Outlet
2019HondaPassportN/AWater Outlet
2019HondaPilotTouringN/AOutlet w/ Thermostat; Water Outlet
2019HondaPilotTouringN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2019HondaPilotLXN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2019HondaPilotEXN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2019HondaPilotEliteN/AOutlet w/ Thermostat; Water Outlet
2019HondaPilotEliteN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2019HondaPilotEX-LN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2019HondaPilotBlack EditionN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2019HondaPilotPrimeN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2018AcuraRDXN/AOutlet w/ Thermostat; Water Outlet
2018HondaOdysseyN/AWater Outlet
2018HondaPilotN/AOutlet w/ Thermostat; Water Outlet
2018HondaPilotN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2018HondaPilotTouringN/AOutlet w/ Thermostat; Water Outlet
2018HondaPilotTouringN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2018HondaPilotLXN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2018HondaPilotEXN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2018HondaPilotEliteN/AOutlet w/ Thermostat; Water Outlet
2018HondaPilotEliteN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2018HondaPilotEX-LN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2017HondaPilotN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2017HondaPilotTouringN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2017HondaPilotLXN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2017HondaPilotEXN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2017HondaPilotEliteN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2017HondaPilotEX-LN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2016HondaPilotTouringN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2016HondaPilotLXN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2016HondaPilotEXN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2016HondaPilotEliteN/Aw/ Gasket, Housing and Thermostat; Water Outlet
2016HondaPilotEX-LN/Aw/ Gasket, Housing and Thermostat; Water Outlet

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

19315RLVA51817064862349025836951180W98764

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.