HomeBelts and Cooling > Thermostat and HousingFour Seasons 86036 Engine Coolant Thermostat Housing - Lower
Part #: 86036

Four Seasons 86036 Engine Coolant Thermostat Housing - Lower

Thermostat Housing, Lower
⚙️ 89 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Thermostat Housing, Lower
🚗Fitment: Lexus and Toyota, ES350, Avalon, RX350, Camry, Highlander, Sienna, Venza, RX450h, and RAV4
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Overview of Four Seasons Thermostat Housing 86036

The Four Seasons Thermostat Housing 86036 is designed for reliable engine coolant management in select Lexus and Toyota vehicles. Engineered from durable aluminum, this thermostat housing supports efficient cooling system operation without including the thermostat or gasket.

  • Constructed from corrosion-resistant aluminum material
  • Compatible with Lexus and Toyota models including Avalon, Camry, ES350, Highlander, RAV4, RX350, RX450h, Sienna, and Venza
  • Measures 2.58 inches in overall height with a flange thickness of 0.375 inches
  • Bolt hole center-to-center distance of 2.815 inches for precise fitment
  • Inlet port diameter of 0.747 inches
  • Meets or exceeds OEM specifications for quality assurance
  • Part number 86036 identifies this specific thermostat housing

Detailed Product Description

The Four Seasons Thermostat Housing 86036 is an engine coolant thermostat housing designed without the thermostat included, allowing for flexible installation with existing or aftermarket thermostats. Made from aluminum, it offers strength and resistance to corrosion, which is critical for maintaining the integrity of the cooling system. The housing features a flange thickness of 0.375 inches and a bolt hole center-to-center measurement of 2.815 inches, ensuring a secure and accurate fit on compatible engines. Its inlet port diameter of 0.747 inches supports proper coolant flow. This part is engineered to meet or exceed OEM standards, providing a dependable replacement for vehicles such as the Toyota Camry, Lexus RX350, and Toyota Highlander.

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing product line focuses on delivering engine coolant components that maintain optimal engine temperature control. This line includes housings designed to fit a range of popular Lexus and Toyota models, offering precise fitment and durable construction. The 86036 housing is part of this line, providing a reliable solution for cooling system repairs or upgrades without the thermostat included, allowing for customization based on vehicle requirements.

Common Applications and Issues Addressed

  • Replacement of cracked or damaged thermostat housing
  • Resolving coolant leaks around the thermostat housing area
  • Preventing engine overheating due to faulty housing seals or warping
  • Supporting cooling system maintenance on Lexus RX450h and Toyota Sienna
  • Ensuring proper coolant flow in Toyota RAV4 and Venza models

Installation Notes and Tips

  • Thermostat and gasket are not included; ensure compatible parts are sourced separately
  • Verify bolt hole spacing and inlet port dimensions before installation
  • Clean mating surfaces thoroughly to prevent leaks
  • Use manufacturer-recommended torque specifications for bolts
  • Inspect cooling system components during installation for additional wear

Quality Assurance and Warranty

The Four Seasons Thermostat Housing 86036 meets or exceeds OEM specifications, ensuring compatibility and durability for Lexus and Toyota vehicles. While the product does not include a gasket or thermostat, it is manufactured to maintain engine cooling system integrity. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandFour Seasons
Part Number86036
PositionThermostat Housing, Lower
Bolt Hole Center To Bolt Hole Center2.815
DescriptionEngine Coolant Components
Flange Thickness0.375
Gasket Or Seal IncludedNot Included
Inlet Port Diameter0.747
MaterialAluminum
Meets / Exceeds OEM?Yes
Overall Height IN2.58
Stylew/o Thermostat
Thermostat Included?Not Included
TypeThermostat Housing

This part fits 89 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2018LexusES350N/AJapan Built; Thermostat Housing
2018ToyotaAvalonN/AThermostat Housing
2018ToyotaAvalonLimitedN/AThermostat Housing
2018ToyotaAvalonTouringN/AThermostat Housing
2018ToyotaAvalonXLEN/AThermostat Housing
2018ToyotaAvalonXLE PremiumN/AThermostat Housing
2018ToyotaAvalonXLE PlusN/AThermostat Housing
2017LexusES350N/AThermostat Housing
2017LexusRX350N/AThermostat Housing
2017ToyotaAvalon3.5LV6N/AThermostat Housing
2017ToyotaCamry3.5LV6N/AThermostat Housing
2017ToyotaHighlander3.5LV6N/AThermostat Housing
2017ToyotaSiennaN/AThermostat Housing
2016LexusES350N/AThermostat Housing
2016LexusRX350N/AThermostat Housing
2016ToyotaAvalon3.5LV6N/AThermostat Housing
2016ToyotaCamry3.5LV6N/AThermostat Housing
2016ToyotaHighlander3.5LV6N/AThermostat Housing
2016ToyotaSiennaN/AThermostat Housing
2016ToyotaVenza3.5LV6N/AThermostat Housing
2015LexusES350N/AThermostat Housing
2015LexusRX350N/AThermostat Housing
2015LexusRX450hLowerThermostat Housing
2015ToyotaAvalon3.5LV6N/AThermostat Housing
2015ToyotaCamry3.5LV6N/AThermostat Housing
2015ToyotaHighlander3.5LV6N/AThermostat Housing
2015ToyotaSiennaN/AThermostat Housing
2015ToyotaVenza3.5LV6N/AThermostat Housing
2014LexusES350N/AThermostat Housing
2014LexusRX350N/AThermostat Housing
2014ToyotaAvalon3.5LV6N/AThermostat Housing
2014ToyotaCamry3.5LV6N/AThermostat Housing
2014ToyotaHighlander3.5LV6N/AThermostat Housing
2014ToyotaSiennaN/AThermostat Housing
2014ToyotaVenza3.5LV6N/AThermostat Housing
2013LexusES350N/AThermostat Housing
2013LexusRX350N/AThermostat Housing
2013ToyotaAvalon3.5LV6N/AThermostat Housing
2013ToyotaCamry3.5LV6N/AThermostat Housing
2013ToyotaHighlander3.5LV6N/AThermostat Housing
2013ToyotaSiennaN/AThermostat Housing
2013ToyotaVenza3.5LV6N/AThermostat Housing
2012LexusES350N/AThermostat Housing
2012LexusRX350N/AThermostat Housing
2012ToyotaAvalonN/AThermostat Housing
2012ToyotaCamry3.5LV6N/AThermostat Housing
2012ToyotaHighlander3.5LV6N/AThermostat Housing
2012ToyotaRAV43.5LV6N/AThermostat Housing
2012ToyotaSiennaN/AThermostat Housing
2012ToyotaVenza3.5LV6N/AThermostat Housing
2011LexusES350N/AThermostat Housing
2011LexusRX350N/AThermostat Housing
2011ToyotaAvalonN/AThermostat Housing
2011ToyotaCamry3.5LV6N/AThermostat Housing
2011ToyotaHighlander3.5LV6N/AThermostat Housing
2011ToyotaRAV43.5LV6N/AThermostat Housing
2011ToyotaSiennaN/AThermostat Housing
2011ToyotaVenza3.5LV6N/AThermostat Housing
2010LexusES350N/AThermostat Housing
2010LexusRX350N/AThermostat Housing
2010ToyotaAvalonN/AThermostat Housing
2010ToyotaCamry3.5LV6N/AThermostat Housing
2010ToyotaHighlander3.5LV6N/AThermostat Housing
2010ToyotaRAV43.5LV6N/AThermostat Housing
2010ToyotaSiennaN/AThermostat Housing
2010ToyotaVenza3.5LV6N/AThermostat Housing
2009LexusES350N/AThermostat Housing
2009LexusRX350N/AThermostat Housing
2009ToyotaAvalonN/AThermostat Housing
2009ToyotaCamry3.5LV6N/AThermostat Housing
2009ToyotaHighlander3.5LV6N/AThermostat Housing
2009ToyotaRAV43.5LV6N/AThermostat Housing
2009ToyotaSiennaN/AThermostat Housing
2009ToyotaVenza3.5LV6N/AThermostat Housing
2008LexusES350N/AThermostat Housing
2008LexusRX350N/AThermostat Housing
2008ToyotaAvalonN/AThermostat Housing
2008ToyotaCamry3.5LV6N/AThermostat Housing
2008ToyotaHighlander3.5LV6N/AThermostat Housing
2008ToyotaRAV43.5LV6N/AThermostat Housing
2008ToyotaSiennaN/AThermostat Housing
2007LexusES350N/AThermostat Housing
2007LexusRX350N/AThermostat Housing
2007ToyotaAvalonN/AThermostat Housing
2007ToyotaCamry3.5LV6N/AThermostat Housing
2007ToyotaRAV43.5LV6N/AThermostat Housing
2007ToyotaSiennaN/AThermostat Housing
2006ToyotaAvalonN/AThermostat Housing
2006ToyotaRAV43.5LV6N/AThermostat Housing

* 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:

163230P030163230W0111632331040815856860369025861CH7036W98566

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