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KIA OPTIMA Thermostats, Housings & Fillers

Showing In Stock Items. Show All 94 Items.

Individual Parts

Part Groups

Results 1 - 25 of 26

Mishimoto Thermostats MMTS-S2K-00L

Thermostat, Mechanical, Standard-flow, 154 degrees, Copper/Stainless Steel, for use on Acura®, Honda®, Each

Part Number: MIO-MMTS-S2K-00L

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Beck/Arnley Coolant Thermostats 143-0722

Thermostat, Replacement, 180 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0722

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits 86230

Water Neck, Outlet and Thermostat Housing Kit, Plastic, Black, for Hyundai, for Kia, Each

Part Number: FSS-86230

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits for 2003-2006 OPTIMA, 2001-2005 SONATA - 86245

Water Neck, Outlet and Thermostat Housing Kit, Stock Style, Plastic, Black, for Hyundai, for Kia, Each

Part Number: FSS-86245

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Mishimoto Thermostats MMTS-SEN-13

Thermostat, 154.4 Degrees Opening Temp Rating, Copper/Stainless, Gasket, Nissan, Each

Part Number: MIO-MMTS-SEN-13

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Beck/Arnley - Water Necks and Thermostat Housings for 2013-2016 OPTIMA, 2013-2015 SONATA - 143-0967

TSTAT with HOUSING

Part Number: BCK-143-0967

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Dorman Thermostat Housings 902-5195

Water Neck, Thermostat Housing, Hyundai, Kia, Each

Part Number: RNB-902-5195

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Four Seasons Water Necks 86285

Engine Coolant Water Outlet

Part Number: FSS-86285

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Four Seasons - Water Necks and Thermostat Housings for 2006-2010 OPTIMA, 2007-2010 RONDO, 2007-2009 SANTA FE - 86334

Engine Coolant Water Inlet

Part Number: FSS-86334

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Four Seasons Water Necks 86290

Engine Coolant Water Outlet

Part Number: FSS-86290

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Beck/Arnley Thermostats, Mechanical 143-0973

THERMOSTAT

Part Number: BCK-143-0973

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Beck/Arnley Thermostats, Mechanical 143-0970

THERMOSTAT

Part Number: BCK-143-0970

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits 86312

Thermostat Housing, Engine Coolant Thermostat Housing

Part Number: FSS-86312

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Beck/Arnley - Water Necks and Thermostat Housings for 2016-2020 OPTIMA, 2019-2020 SANTA FE, 2015-2019 SONATA - 143-0968

TSTAT with HOUSING

Part Number: BCK-143-0968

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits 86288

Thermostat Housing, Engine Coolant Thermostat Housing

Part Number: FSS-86288

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Dorman Thermostats 902-5038

Engine Coolant Thermostat Housing

Part Number: RNB-902-5038

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Beck/Arnley Coolant Thermostats 143-0900

Thermostat, 179 Degree, Standard-Flow, Copper/Brass, Hyundai, Kia, Each

Part Number: BCK-143-0900

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Dorman Thermostat Housings 902-5128

Water Neck, Thermostat Housing, Hyundai, Kia, Each

Part Number: RNB-902-5128

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Four Seasons Water Necks for 2006-2008 OPTIMA, SONATA, 2007-2008 RONDO - 86287

Water Outlet, Engine Coolant Water Outlet

Part Number: FSS-86287

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits 86025

Engine Coolant Thermostat Housing

Part Number: FSS-86025

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits for 2006-2010 OPTIMA, 2007-2009 SANTA FE - 86324

Engine Coolant Thermostat Housing

Part Number: FSS-86324

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Four Seasons Outlet and Thermostat Housing Kits 86277

Water Neck, Outlet and Thermostat Housing Kit, Stock Style, Plastic, Black, for Hyundai, for Kia, Each

Part Number: FSS-86277

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Four Seasons Water Necks for 2017-2020 OPTIMA, 2017-2019 SONATA - 86300

Water Outlet, Engine Coolant Water Outlet

Part Number: FSS-86300

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Beck/Arnley Coolant Thermostats 143-0707

Thermostat, Replacement, 170 Degree, Standard-Flow, Copper, Stainless Steel, Each

Part Number: BCK-143-0707

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Dorman Thermostat Housings 902-5994

Thermostat Housing

Part Number: RNB-902-5994

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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