Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for Kia Optima Thermostat Housing
Select your vehicle for the best product fit
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Make
Select Model
Select Year
or

Kia Optima Thermostat Housing

< Back to View All
Cooling Systems, Fans & Radiators
  • Department
  • Brands
  • Prices

34 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM Kia Optima Fitting-COOLANT Inlet Diagram - 256302G700
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT Inlet

    PartNumber: 256302G700
    OEM Kia Optima Fitting-COOLANT Inlet - 256302G700
    Product Specifications
    • Other Names: Thermostat Cover, Water Inlet
    • Item Dimensions: 8.2 x 8.2 x 6.2 inches
    • Item Weight: 4.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT Inlet
    More Info
    $19.57 MSRP: $26.12
    You Save: $6.55 (26%)
  • OEM Kia Optima Case-Thermostat Diagram - 256202GGA5
    View Related Parts

    OEM (Genuine) Kia Optima Case-Thermostat

    PartNumber: 256202GGA5
    OEM Kia Optima Case-Thermostat - 256202GGA5
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 17.3 x 11.4 x 11.7 inches
    • Item Weight: 3.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Case-Thermostat
    More Info
    $99.36 MSRP: $132.70
    You Save: $33.34 (26%)
  • Dorman Engine Coolant Thermostat Housing for Kia Optima - 902-5918

    Dorman® Engine Coolant Thermostat Housing for Kia Optima

    PartNumber: 902-5918
    Product Specifications
    • Air Vent (Bleeder Valve): No
    • Bolt Hole Diameter: 0.375"
    • Bolt Hole Quantity: 2
    • Bolts Included: No
    • Color/Finish: Natural
    • Gasket or Seal Included: No
    • Housing Neck Angle (°): Straight
    • Material: Metal
    • O Rings Included: Not Required
    • OE Part Number: 2562138000
    • Outlet Diameter: 1.47"
    • Thermostat Included: No
    • UPC: 885484263758
    • Part Description: Kia Optima Engine Coolant Thermostat Housing
    More Info
    $14.89
  • Gates Engine Coolant Water Outlet for Kia Optima - CO34874

    Gates® Engine Coolant Water Outlet for Kia Optima

    PartNumber: CO34874
    Product Specifications
    • By-Pass Holes: No
    • Material: Plastic
    • Number of Bolt Holes: 3
    • Number of Gaskets: 0
    • Number of Seals: 2
    • OE Exact: No
    • Outlet Inside Diameter 1: 1.2"
    • Outlet Inside Diameter 2: 0.694"
    • Outlet Inside Diameter 3: 0.694"
    • Outlet Inside Diameter 4: 0.54"
    • Outlet Inside Diameter 5: 0.19"
    • Outlet Inside Diameter 6: 0.19"
    • Outlet Outside Diameter 1: 1.39"
    • Outlet Outside Diameter 2: 0.862"
    • Outlet Outside Diameter 3: 0.862"
    • Outlet Outside Diameter 4: 0.7"
    • Outlet Outside Diameter 5: 0.35"
    • Outlet Outside Diameter 6: 0.35"
    • Type: Coolant Outlet
    • UPC: 770075748984
    • Part Description: Kia Optima Engine Coolant Water Outlet
    More Info
    $86.55
  • Four Seasons Engine Coolant Thermostat Housing for Kia Optima - 86025

    Four Seasons® Engine Coolant Thermostat Housing for Kia Optima

    PartNumber: 86025
    Product Specifications
    • Flange Thickness: 0.400
    • Gasket or Seal Included: Included
    • Inlet Port Diameter: 1.551
    • Material: Plastic
    • Meets / Exceeds OEM: Yes
    • Overall Height IN: 3.750
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361860254
    • Part Description: Kia Optima Engine Coolant Thermostat Housing
    More Info
    $78.16
  • OEM Kia Optima Case-Thermostat Diagram - 256202G500
    View Related Parts

    OEM (Genuine) Kia Optima Case-Thermostat

    PartNumber: 256202G500
    OEM Kia Optima Case-Thermostat - 256202G500
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 20.6 x 10.8 x 7.3 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Case-Thermostat
    More Info
    $101.79 MSRP: $135.95
    You Save: $34.16 (26%)
  • Dorman Engine Coolant Thermostat Housing for Kia Optima - 902-5038

    Dorman® Engine Coolant Thermostat Housing for Kia Optima

    PartNumber: 902-5038
    Product Specifications
    • Air Vent (Bleeder Valve): No
    • Bolt Hole Diameter: 0.313"
    • Bolt Hole Quantity: 2
    • Bolts Included: No
    • Color/Finish: Natural
    • Gasket or Seal Included: No
    • Housing Neck Angle (°): 180 Degree
    • Material: Metal
    • O Rings Included: Not Required
    • OE Part Number: 2563137100
    • Outlet Diameter: 1.25"
    • Thermostat Included: No
    • UPC: 885484547780
    • Part Description: Kia Optima Engine Coolant Thermostat Housing
    More Info
    $12.23
  • Four Seasons Engine Coolant Thermostat Housing W O Thermostat for Kia Optima - 86027

    Four Seasons® Engine Coolant Thermostat Housing W O Thermostat for Kia Optima

    PartNumber: 86027
    Product Specifications
    • Gasket or Seal Included: Not Included
    • Inlet Dia. IN: 1.185
    • Material: Plastic
    • Maximum Height: 2.753
    • Meets / Exceeds OEM: Yes
    • Mnt Flange Width IN: 0.394
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361860278
    • Part Description: Kia Optima Engine Coolant Thermostat Housing W O Thermostat
    More Info
    $25.61
  • OEM Kia Optima Case-Thermostat Diagram - 256202G540
    View Related Parts

    OEM (Genuine) Kia Optima Case-Thermostat

    PartNumber: 256202G540
    OEM Kia Optima Case-Thermostat - 256202G540
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 15.6 x 7.7 x 5.8 inches
    • Item Weight: 2.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Case-Thermostat
    More Info
    $109.29 MSRP: $145.97
    You Save: $36.68 (26%)
  • Four Seasons Engine Coolant Water Inlet W O Thermostat for Kia Optima - 85395

    Four Seasons® Engine Coolant Water Inlet W O Thermostat for Kia Optima

    PartNumber: 85395
    Product Specifications
    • Gasket or Seal Included: Not Included
    • Inlet Dia. IN: 1.160
    • Material: Aluminum
    • Maximum Height: 1.789
    • Meets / Exceeds OEM: Yes
    • Mnt Flange Width IN: 0.395
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361853959
    • Part Description: Kia Optima Engine Coolant Water Inlet W O Thermostat
    More Info
    $24.10
  • OEM Kia Optima Fitting-COOLANT Diagram - 256302G000
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT

    PartNumber: 256302G000
    OEM Kia Optima Fitting-COOLANT - 256302G000
    Product Specifications
    • Other Names: Thermostat Cover, Water Inlet
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT
    More Info
    $19.75 MSRP: $26.37
    You Save: $6.62 (26%)
  • Four Seasons Engine Coolant Water Outlet W O Thermostat for Kia Optima - 86028

    Four Seasons® Engine Coolant Water Outlet W O Thermostat for Kia Optima

    PartNumber: 86028
    Product Specifications
    • Gasket or Seal Included: Not Included
    • Inlet Dia. IN: 1.172
    • Material: Plastic
    • Maximum Height: 3.000
    • Meets / Exceeds OEM: Yes
    • Mnt Flange Width IN: 0.399
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361860285
    • Part Description: Kia Optima Engine Coolant Water Outlet W O Thermostat
    More Info
    $21.80
  • OEM Kia Optima Case-Thermostat Diagram - 256202G600
    View Related Parts

    OEM (Genuine) Kia Optima Case-Thermostat

    PartNumber: 256202G600
    OEM Kia Optima Case-Thermostat - 256202G600
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 15.8 x 7.4 x 6.2 inches
    • Item Weight: 2.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Case-Thermostat
    More Info
    $102.75 MSRP: $137.23
    You Save: $34.48 (26%)
  • Four Seasons Water Outlet for Kia Optima - 85127

    Four Seasons® Water Outlet for Kia Optima

    PartNumber: 85127
    Product Specifications
    • Bolt Hole Center To Bolt Hole Center: 3.250
    • Gasket or Seal Included: Not Included
    • Inlet Dia. IN: 1.142
    • Material: Aluminum
    • Maximum Height: 2.170
    • Meets / Exceeds OEM: Yes
    • Mnt Flange Width IN: 0.427
    • Style: w/o Thermostat
    • Symetrical Base: No
    • Thermostat Included: Not Included
    • UPC: 096361851276
    • Part Description: Kia Optima Water Outlet
    More Info
    $18.69
  • OEM Kia Optima Case-Thermostat Diagram - 256202G545
    View Related Parts

    OEM (Genuine) Kia Optima Case-Thermostat

    PartNumber: 256202G545
    OEM Kia Optima Case-Thermostat - 256202G545
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 17.3 x 11.4 x 11.6 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Case-Thermostat
    More Info
    $102.75 MSRP: $137.23
    You Save: $34.48 (26%)
  • OEM Kia Optima Case-Thermostat Diagram - 256202GTA0
    View Related Parts

    OEM (Genuine) Kia Optima Case-Thermostat

    PartNumber: 256202GTA0
    OEM Kia Optima Case-Thermostat - 256202GTA0
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 23.9 x 13.4 x 7.3 inches
    • Item Weight: 3.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Case-Thermostat
    More Info
    $99.36 MSRP: $132.70
    You Save: $33.34 (26%)
  • OEM Kia Optima Housing Assembly-Thermostat Diagram - 2562025002
    View Related Parts

    OEM (Genuine) Kia Optima Housing Assembly-Thermostat

    PartNumber: 2562025002
    OEM Kia Optima Housing Assembly-Thermostat - 2562025002
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 17.7 x 11.4 x 11.7 inches
    • Item Weight: 5.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Housing Assembly-Thermostat
    More Info
    $151.58 MSRP: $202.45
    You Save: $50.87 (26%)
  • OEM Kia Optima Fitting-COOLANT Inlet Diagram - 256302GGA0
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT Inlet

    PartNumber: 256302GGA0
    OEM Kia Optima Fitting-COOLANT Inlet - 256302GGA0
    Product Specifications
    • Other Names: Thermostat Cover, Thermostat Outlet, Water Inlet
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT Inlet
    More Info
    $18.67 MSRP: $24.92
    You Save: $6.25 (26%)
  • OEM Kia Optima Fitting-COOLANT Inlet Diagram - 2563137100
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT Inlet

    PartNumber: 2563137100
    OEM Kia Optima Fitting-COOLANT Inlet - 2563137100
    Product Specifications
    • Other Names: Thermostat Cover, Water Inlet
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT Inlet
    More Info
    $15.85 MSRP: $21.15
    You Save: $5.30 (26%)
  • OEM Kia Optima Case-Thermostat Diagram - 256202G670
    View Related Parts

    OEM (Genuine) Kia Optima Case-Thermostat

    PartNumber: 256202G670
    OEM Kia Optima Case-Thermostat - 256202G670
    Product Specifications
    • Item Dimensions: 18.9 x 9.4 x 9.3 inches
    • Item Weight: 3.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Case-Thermostat
    More Info
    $102.75 MSRP: $137.23
    You Save: $34.48 (26%)
  • OEM Kia Optima Control Assembly-COOLANT Diagram - 256002B701
    View Related Parts

    OEM (Genuine) Kia Optima Control Assembly-COOLANT

    PartNumber: 256002B701
    OEM Kia Optima Control Assembly-COOLANT - 256002B701
    Product Specifications
    • Other Names: Thermostat Housing, Water Inlet, Water Inlet Pipe
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Control Assembly-COOLANT
    More Info
    $97.77 MSRP: $130.59
    You Save: $32.82 (26%)
  • OEM Kia Optima Fitting Assembly-Water Outlet Diagram - 2561135520
    View Related Parts

    OEM (Genuine) Kia Optima Fitting Assembly-Water Outlet

    PartNumber: 2561135520
    OEM Kia Optima Fitting Assembly-Water Outlet - 2561135520
    Product Specifications
    • Other Names: Housing Cover, Outlet Pipe, Water Outlet
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting Assembly-Water Outlet
    More Info
    $10.71 MSRP: $14.28
    You Save: $3.57 (25%)
  • OEM Kia Optima Fitting-COOLANT Inlet Diagram - 256313E000
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT Inlet

    PartNumber: 256313E000
    OEM Kia Optima Fitting-COOLANT Inlet - 256313E000
    Product Specifications
    • Other Names: Thermostat Cover, Water Inlet
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT Inlet
    More Info
    $14.17 MSRP: $18.92
    You Save: $4.75 (26%)
  • OEM Kia Optima Fitting-COOLANT Inlet Diagram - 256312B055
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT Inlet

    PartNumber: 256312B055
    OEM Kia Optima Fitting-COOLANT Inlet - 256312B055
    Product Specifications
    • Other Names: Thermostat Housing, Thermostat Outlet, Water Inlet
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT Inlet
    More Info
    $20.03 MSRP: $26.77
    You Save: $6.74 (26%)
  • OEM Kia Optima Fitting-COOLANT Inlet Diagram - 256302GTA0
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT Inlet

    PartNumber: 256302GTA0
    OEM Kia Optima Fitting-COOLANT Inlet - 256302GTA0
    Product Specifications
    • Other Names: Thermostat Cover, Thermostat Outlet, Water Inlet
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT Inlet
    More Info
    $18.67 MSRP: $24.92
    You Save: $6.25 (26%)
  • OEM Kia Optima Fitting Assembly-COOLANT Diagram - 256302G650
    View Related Parts

    OEM (Genuine) Kia Optima Fitting Assembly-COOLANT

    PartNumber: 256302G650
    OEM Kia Optima Fitting Assembly-COOLANT - 256302G650
    Product Specifications
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting Assembly-COOLANT
    More Info
    $18.33 MSRP: $24.47
    You Save: $6.14 (26%)
  • OEM Kia Optima Housing Assembly-Thermostat Diagram - 256202G650
    View Related Parts

    OEM (Genuine) Kia Optima Housing Assembly-Thermostat

    PartNumber: 256202G650
    OEM Kia Optima Housing Assembly-Thermostat - 256202G650
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 21.2 x 11.1 x 7.4 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Housing Assembly-Thermostat
    More Info
    $87.19 MSRP: $117.20
    You Save: $30.01 (26%)
  • OEM Kia Optima Fitting Assembly-Water Outlet Diagram - 2562238000
    View Related Parts

    OEM (Genuine) Kia Optima Fitting Assembly-Water Outlet

    PartNumber: 2562238000
    OEM Kia Optima Fitting Assembly-Water Outlet - 2562238000
    Product Specifications
    • Other Names: Housing Cover, Water Outlet
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting Assembly-Water Outlet
    More Info
  • OEM Kia Optima Fitting-COOLANT Inlet Diagram - 2562138000
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT Inlet

    PartNumber: 2562138000
    OEM Kia Optima Fitting-COOLANT Inlet - 2562138000
    Product Specifications
    • Other Names: Thermostat Cover, Water Inlet
    • Item Dimensions: 7.4 x 4.1 x 2.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT Inlet
    More Info
  • OEM Kia Optima Fitting-COOLANT Inlet Diagram - 2563125002
    View Related Parts

    OEM (Genuine) Kia Optima Fitting-COOLANT Inlet

    PartNumber: 2563125002
    OEM Kia Optima Fitting-COOLANT Inlet - 2563125002
    Product Specifications
    • Item Dimensions: 7.9 x 5.3 x 4.6 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Kia Optima Fitting-COOLANT Inlet
    More Info
1-30 of 34 Results
< Previous
12
Next >

Browse Kia Optima Thermostat Housing by Years

2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001