HomeBelts and Cooling > Thermostat and HousingFour Seasons 86288 Engine Coolant Thermostat Housing - Lower
Part #: 86288

Four Seasons 86288 Engine Coolant Thermostat Housing - Lower

Thermostat Housing, Lower
⚙️ 22 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, Lower
🚗Fitment: Hyundai and Kia, Sonata, Santa Fe Sport, Sorento, Optima, and Sportage
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Coolant Thermostat Housing for Hyundai and Kia

The Four Seasons Thermostat Housing 86288 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 itself.

  • Constructed from durable plastic material
  • Includes gasket or seal for secure installation
  • Bolt hole center-to-center measurement: 3.62 inches
  • Inlet port diameter: 1.37 inches
  • Flange thickness: 2.74 inches
  • Overall height: 3.53 inches
  • Compatible with Hyundai Optima, Santa Fe, Santa Fe Sport, Sonata and Kia Sorento, Sportage
  • Meets or exceeds OEM specifications
  • Style: without thermostat included

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing line focuses on engine coolant components designed to meet or exceed original equipment manufacturer standards. This product line offers reliable replacement parts that maintain proper engine cooling system function, ensuring compatibility and performance for various vehicle makes and models. The 86288 thermostat housing is part of this line, providing a precise fit and quality construction for Hyundai and Kia vehicles.

Product Details and Specifications

This engine coolant thermostat housing is made from plastic, offering resistance to corrosion and heat typical in cooling systems. The included gasket or seal helps prevent leaks during installation. With a bolt hole center-to-center distance of 3.62 inches and an inlet port diameter of 1.37 inches, this housing fits securely on the engine block. The flange thickness of 2.74 inches and overall height of 3.53 inches ensure proper alignment and sealing. Note that this housing does not include the thermostat itself, allowing for flexibility if replacing only the housing.

Common Applications and Issues Addressed

  • Replacement for cracked or damaged thermostat housing
  • Prevents coolant leaks around the thermostat area
  • Restores proper coolant flow and engine temperature regulation
  • Addresses overheating issues caused by faulty housing seals
  • Compatible with Hyundai Optima, Santa Fe, Santa Fe Sport, Sonata and Kia Sorento, Sportage models

Installation Notes and Tips

When installing the Four Seasons Thermostat Housing 86288, ensure the gasket or seal is properly seated to prevent leaks. Clean the mounting surface thoroughly before installation. Since the thermostat is not included, verify the condition of the existing thermostat and replace if necessary. Torque bolts to manufacturer specifications to avoid damage to the plastic housing.

Quality Assurance and Warranty

This thermostat housing meets or exceeds OEM standards, ensuring reliable performance and fitment. Four Seasons products are backed by quality control processes to maintain consistency. Please refer to Four Seasons warranty terms for specific coverage details.

BrandFour Seasons
Part Number86288
PositionThermostat Housing, Lower
Bolt Hole Center To Bolt Hole Center3.62
DescriptionEngine Coolant Components
Flange Thickness2.74
Gasket Or Seal IncludedIncluded
Inlet Port Diameter1.37
MaterialPlastic
Meets / Exceeds OEM?Yes
Overall Height IN3.53
Stylew/o Thermostat
Thermostat Included?Not Included
TypeThermostat Housing

This part fits 22 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2020HyundaiSanta Fe2.0LL4LowerThermostat Housing
2020KiaOptima2.0LL4N/AThermostat Housing
2019HyundaiSanta Fe2.0LL4LowerThermostat Housing
2019HyundaiSonata2.0LL4N/AThermostat Housing
2018HyundaiSanta Fe Sport2.0LL4LowerThermostat Housing
2018HyundaiSanta Fe Sport2.0T2.0LL4LowerThermostat Housing
2018HyundaiSanta Fe Sport2.0T Ultimate2.0LL4LowerThermostat Housing
2018HyundaiSonata2.0LL4LowerThermostat Housing
2018KiaOptima2.0LL4N/AThermostat Housing
2018KiaSorento2.0LL4N/AThermostat Housing
2018KiaSorentoEX2.0LL4N/AThermostat Housing
2017HyundaiSanta Fe Sport2.0LL4LowerThermostat Housing
2017HyundaiSonata2.0LL4LowerThermostat Housing
2017KiaOptima2.0LL4N/AThermostat Housing
2017KiaOptima2.0LL4LowerThermostat Housing
2017KiaSorentoEX2.0LL4LowerThermostat Housing
2017KiaSportageSX Turbo2.0LL4LowerThermostat Housing
2016HyundaiSonata2.0LL4LowerThermostat Housing
2016KiaOptima2.0LL4GASLowerThermostat Housing
2016KiaOptima2.0LL4LowerThermostat Housing
2016KiaSorento2.0LL4LowerThermostat Housing
2015HyundaiSonata2.0LL4N/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:

256202GTA081711886288W98818

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