HomeBelts and Cooling > Thermostat and HousingFour Seasons 86312 Engine Coolant Thermostat Housing
Part #: 86312

Four Seasons 86312 Engine Coolant Thermostat Housing

Thermostat Housing
⚙️ 18 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Thermostat Housing
🚗Fitment: Hyundai and Kia, Optima, Santa Fe Sport, Sonata, and Sportage
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Engine Coolant Thermostat Housing for Hyundai and Kia

The Four Seasons Thermostat Housing 86312 is designed to provide a durable and precise fit for select Hyundai and Kia models. Engineered from high-quality plastic, this thermostat housing ensures proper coolant flow and engine temperature regulation without including the thermostat or gasket.

Key Features of Four Seasons Thermostat Housing 86312

  • Constructed from durable plastic material for corrosion resistance
  • Compatible with Hyundai Optima, Santa Fe Sport, Sonata, and Kia Sportage
  • Flange thickness measures 0.89 inches for secure mounting
  • Inlet port diameter of 1.37 inches to match OEM specifications
  • Overall height of 3.54 inches for proper fitment
  • Bolt hole center-to-center distance of 2.8 inches for accurate installation
  • Meets or exceeds OEM standards for quality and performance
  • Does not include thermostat or gasket, sold separately

Detailed Description of the Thermostat Housing

This Four Seasons Thermostat Housing 86312 is a critical engine coolant component designed to house the thermostat and connect coolant passages. Made from plastic, it offers resistance to corrosion and heat, ensuring longevity in the cooling system. The housing’s dimensions, including a 0.89-inch flange thickness and 2.8-inch bolt hole spacing, are engineered to match OEM specifications precisely. It is designed without the thermostat, allowing for replacement or upgrade of the housing independently. This part is compatible with popular Hyundai and Kia models such as the Optima, Santa Fe Sport, Sonata, and Sportage, making it a reliable choice for maintaining proper engine temperature regulation.

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing product line focuses on providing high-quality replacement housings that meet or exceed OEM standards. These housings are engineered to fit specific vehicle applications accurately, ensuring proper coolant flow and engine temperature control. The 86312 model is part of this line, offering a plastic construction designed for durability and compatibility with select Hyundai and Kia vehicles.

Common Issues Addressed by This Thermostat Housing

  • Coolant leaks caused by cracked or damaged thermostat housings
  • Overheating issues due to faulty or warped housing components
  • Improper thermostat seating resulting from worn or broken housings
  • Corrosion damage affecting coolant flow and engine temperature regulation
  • Replacement of aging or OEM housings to maintain cooling system integrity

Installation Notes and Tips

When installing the Four Seasons Thermostat Housing 86312, ensure the mating surfaces are clean and free of old gasket material, as the gasket or seal is not included. Verify bolt hole alignment using the 2.8-inch center-to-center measurement. Use the correct torque specifications for mounting bolts to avoid damage to the plastic housing. Since the thermostat is not included, install a compatible thermostat separately according to vehicle manufacturer guidelines.

Quality Assurance and Warranty

This thermostat housing meets or exceeds OEM quality standards, ensuring reliable performance and fitment. Four Seasons products are manufactured under strict quality control processes. While specific warranty details are not provided, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for warranty information.

BrandFour Seasons
Part Number86312
PositionThermostat Housing
MaterialPlastic
Gasket Or Seal IncludedNot included
Bolt Hole Center To Bolt Hole Center2.8
Inlet Port Diameter1.37
Flange Thickness0.89
DescriptionEngine coolant components
Meets / Exceeds OEM?Yes
Overall Height IN3.54
StyleW/o thermostat
Thermostat Included?Not included
TypeThermostat housing

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016HyundaiSanta Fe Sport2.0LL4N/AThermostat Housing
2016KiaSportage2.0LL4N/AThermostat Housing
2015HyundaiSanta Fe Sport2.0LL4N/AThermostat Housing
2015KiaSportage2.0LL4N/AThermostat Housing
2014HyundaiSanta Fe Sport2.0LL4N/AThermostat Housing
2014HyundaiSonata2.0LL4N/AThermostat Housing
2014HyundaiSonata2.0LL4GASN/AThermostat Housing
2014KiaSportage2.0LL4N/AThermostat Housing
2013HyundaiSanta Fe Sport2.0LL4N/AThermostat Housing
2013HyundaiSonata2.0LL4GASN/AThermostat Housing
2013KiaOptima2.0LL4N/AThermostat Housing
2013KiaSportage2.0LL4N/AThermostat Housing
2012HyundaiSonata2.0LL4GASN/AThermostat Housing
2012KiaOptima2.0LL4N/AThermostat Housing
2012KiaSportage2.0LL4N/AThermostat Housing
2011HyundaiSonata2.0LL4GASN/AThermostat Housing
2011KiaOptima2.0LL4N/AThermostat Housing
2011KiaSportage2.0LL4N/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:

256202G540256202G545256202G56081714286312W98842

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