HomeBelts and Cooling > Thermostat and HousingFour Seasons 86025 Engine Coolant Thermostat Housing - Lower
Part #: 86025

Four Seasons 86025 Engine Coolant Thermostat Housing - Lower

Thermostat Housing, Lower
⚙️ 41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Thermostat Housing, Lower
🚗Fitment: Hyundai and Kia, Santa Fe Sport, Optima, Sportage, Tucson, Sorento, Sonata, and Santa Fe
🔄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 86025 Thermostat Housing 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.

Key Features of Four Seasons 86025 Thermostat Housing

  • Constructed from durable plastic material for corrosion resistance
  • Includes gasket or seal for secure installation
  • Bolt hole center-to-center measurement of 3.55 inches for accurate fit
  • Inlet port diameter of 1.551 inches to match OEM specifications
  • Flange thickness of 0.400 inches for proper sealing
  • Overall height of 3.75 inches to fit designated engine configurations
  • Meets or exceeds OEM standards for quality and performance
  • Style without thermostat, allowing use with existing or aftermarket thermostats

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing line offers engine coolant components designed to meet or exceed original equipment manufacturer requirements. This product line focuses on providing reliable replacement housings that maintain proper coolant flow and engine temperature control. The 86025 model is part of this line, engineered specifically for Hyundai and Kia vehicles, ensuring compatibility and durability.

Detailed Product Description

The Four Seasons 86025 Engine Coolant Thermostat Housing is a precision-engineered replacement part made from plastic to resist corrosion and wear. It includes a gasket or seal to ensure a leak-free installation. The housing features a bolt hole center-to-center distance of 3.55 inches and an inlet port diameter of 1.551 inches, matching OEM specifications for a secure fit. With a flange thickness of 0.400 inches and an overall height of 3.75 inches, this housing is designed to fit without the thermostat, allowing flexibility for use with your existing thermostat or a separate replacement. Compatible with Hyundai Optima, Santa Fe, Santa Fe Sport, Sonata, and Kia Sorento, Sportage, Tucson models, this part supports proper engine cooling system function.

Common Issues Addressed by This Thermostat Housing

  • Coolant leaks caused by cracked or damaged thermostat housing
  • Engine overheating due to faulty coolant flow
  • Corrosion or wear compromising the housing integrity
  • Improper fit or seal leading to coolant system pressure loss
  • Replacement of worn or broken OEM thermostat housing components

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Use the included gasket or seal to prevent coolant leaks
  • Verify bolt hole alignment using the 3.55-inch center-to-center measurement
  • Inspect surrounding components for wear or damage during replacement
  • Tighten bolts to manufacturer torque specifications to avoid warping

Quality Assurance and Warranty

The Four Seasons 86025 Thermostat Housing meets or exceeds OEM standards, ensuring reliable performance and durability. This part is manufactured to strict quality controls to provide a dependable replacement for Hyundai and Kia vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandFour Seasons
Part Number86025
PositionThermostat Housing, Lower
Bolt Hole Center To Bolt Hole Center3.55
DescriptionEngine Coolant Components
Flange Thickness0.400
Gasket Or Seal IncludedIncluded
Inlet Port Diameter1.551
MaterialPlastic
Meets / Exceeds OEM?Yes
Overall Height IN3.750
Stylew/o Thermostat
Thermostat Included?Not Included
TypeThermostat Housing

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016HyundaiSanta Fe Sport2.4LL4LowerThermostat Housing
2016KiaOptima2.4LL4GASN/AThermostat Housing
2016KiaOptima2.4LL4ELECTRIC/GASN/AThermostat Housing
2016KiaOptima2.4LL4N/AThermostat Housing
2016KiaSportage2.4LL4LowerThermostat Housing
2015HyundaiSanta Fe Sport2.4LL4LowerThermostat Housing
2015HyundaiTucson2.4LL4N/AThermostat Housing
2015KiaOptima2.4LL4LowerThermostat Housing
2015KiaSorento2.4LL4LowerThermostat Housing
2015KiaSportage2.4LL4LowerThermostat Housing
2014HyundaiSanta Fe Sport2.4LL4LowerThermostat Housing
2014HyundaiSonata2.4LL4N/AThermostat Housing
2014HyundaiSonata2.4LL4GASN/AThermostat Housing
2014HyundaiSonata2.4LL4ELECTRIC/GASN/AThermostat Housing
2014HyundaiTucson2.4LL4N/AThermostat Housing
2014KiaOptima2.4LL4LowerThermostat Housing
2014KiaSorento2.4LL4LowerThermostat Housing
2014KiaSportage2.4LL4LowerThermostat Housing
2013HyundaiSanta Fe Sport2.4LL4LowerThermostat Housing
2013HyundaiSonata2.4LL4N/AThermostat Housing
2013HyundaiSonata2.4LL4GASN/AThermostat Housing
2013HyundaiSonata2.4LL4ELECTRIC/GASN/AThermostat Housing
2013HyundaiTucson2.4LL4N/AThermostat Housing
2013KiaOptima2.4LL4N/AThermostat Housing
2013KiaSorento2.4LL4LowerThermostat Housing
2013KiaSportage2.4LL4LowerThermostat Housing
2012HyundaiSanta Fe2.4LL4LowerThermostat Housing
2012HyundaiSonata2.4LL4GASN/AThermostat Housing
2012HyundaiSonata2.4LL4ELECTRIC/GASN/AThermostat Housing
2012HyundaiTucson2.4LL4N/AThermostat Housing
2012KiaOptima2.4LL4N/AThermostat Housing
2012KiaSorento2.4LL4LowerThermostat Housing
2012KiaSportage2.4LL4LowerThermostat Housing
2011HyundaiSanta Fe2.4LL4LowerThermostat Housing
2011HyundaiSonata2.4LL4GASN/AThermostat Housing
2011HyundaiTucson2.4LL4N/AThermostat Housing
2011KiaOptima2.4LL4N/AThermostat Housing
2011KiaSorento2.4LL4LowerThermostat Housing
2011KiaSportage2.4LL4LowerThermostat Housing
2010HyundaiSanta Fe2.4LL4LowerThermostat Housing
2010HyundaiTucsonN/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:

256202G500256202G6706052138815845860259025128CH5127W98555

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