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Replacement and OEM Parts for Thermostat Housing
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Thermostat Housing

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  • OEM (Genuine) Case, Thermostat

    PartNumber: 19320-PNA-003
    OEM Case, Thermostat - 19320-PNA-003
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 5.1 x 4.2 x 3.9 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Case, Thermostat
    More Info
    $64.57 MSRP: $90.83
    You Save: $26.26 (29%)
  • Gates Engine Coolant Water Outlet - CO34760

    Gates® Engine Coolant Water Outlet

    PartNumber: CO34760
    Product Specifications
    • By-Pass Holes: No
    • Material: Plastic
    • Number of Bolt Holes: 3
    • Number of Gaskets: 0
    • Number of Seals: 1
    • OE Exact: No
    • Outlet Inside Diameter 1: 0.918"
    • Outlet Inside Diameter 2: 0.922"
    • Outlet Inside Diameter 3: 1.379"
    • Outlet Inside Diameter 4: 0.268"
    • Outlet Inside Diameter 5: 0.268"
    • Outlet Outside Diameter 1: 1.179"
    • Outlet Outside Diameter 2: 1.171"
    • Outlet Outside Diameter 3: 1.635"
    • Outlet Outside Diameter 4: 0.65"
    • Outlet Outside Diameter 5: 0.65"
    • Type: Coolant Outlet
    • UPC: 770075726012
    • Part Description: Engine Coolant Water Outlet
    More Info
    $134.53
  • Four Seasons Engine Coolant Thermostat Housing - 86132

    Four Seasons® Engine Coolant Thermostat Housing

    PartNumber: 86132
    Product Specifications
    • Gasket or Seal Included: Not Included
    • Material: Steel
    • Meets / Exceeds OEM: Yes
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361031180
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $202.86
  • VEMO Engine Coolant Thermostat Housing - V15-99-0004

    VEMO® Engine Coolant Thermostat Housing

    PartNumber: V15-99-0004
    Product Specifications
    • Height [mm]: 89
    • Length [mm]: 319
    • Material: Plastic
    • OE Part Number: 078121121K
    • Packaging Depth [cm]: 9,5
    • Packaging height [cm]: 10,4
    • Packaging width [cm]: 38,2
    • Supplementary Article/Info 2: without thermostat
    • Weight [kg]: 0,255
    • Width [mm]: 117
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $66.46
  • MTC Engine Coolant Thermostat Housing - 1102

    MTC® Engine Coolant Thermostat Housing

    PartNumber: 1102
    Product Specifications
    • UPC: 849290059790
    • Part Description: Engine Coolant Thermostat Housing
    $30.43
  • VAICO Engine Coolant Thermostat Housing - V30-1909

    VAICO® Engine Coolant Thermostat Housing

    PartNumber: V30-1909
    Product Specifications
    • Length [mm]: 130
    • OE Part Number: 271 200 12 56, A 271 200 12 56
    • Packaging Depth [cm]: 13
    • Packaging height [cm]: 7
    • Packaging width [cm]: 8
    • UPC: 884109107903
    • Weight [kg]: 0,1
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $29.32
  • OEM (Genuine) Case, Thermostat

    PartNumber: 19320-PNA-003
    OEM Case, Thermostat - 19320-PNA-003
    Product Specifications
    • Other Names: Thermostat Housing
    • Item Dimensions: 5.1 x 4.2 x 3.9 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Case, Thermostat
    More Info
    $64.30 MSRP: $90.83
    You Save: $26.53 (30%)
  • Dorman Engine Coolant Thermostat Housing - 902-5115

    Dorman® Engine Coolant Thermostat Housing

    PartNumber: 902-5115
    Product Specifications
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 1.062"; 1.308"; 2.902"; 2.322"; 1.668"
    • Bolt Hole Quantity: 7
    • Color/Finish: Natural
    • Flange Length: 2.43"
    • Flange Thickness: 0.395"
    • Flange Width: 2.668"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 1.288"
    • Material: Metal
    • Mounting Hardware Included: No
    • OE Part Number: 07D121111AB
    • Outlet Port Quantity: 2
    • Thermostat Opening Temperature (F): 221 Degrees
    • UPC: 885484677401
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $349.56
  • Gates Engine Coolant Water Outlet - CO34838

    Gates® Engine Coolant Water Outlet

    PartNumber: CO34838
    Product Specifications
    • By-Pass Holes: No
    • Material: Plastic
    • Number of Bolt Holes: 4
    • Number of Gaskets: 0
    • Number of Seals: 2
    • OE Exact: No
    • Outlet Inside Diameter 1: 1.4"
    • Outlet Inside Diameter 2: 1.4"
    • Outlet Inside Diameter 3: 0.65"
    • Outlet Inside Diameter 4: 0.24"
    • Outlet Inside Diameter 5: 0.24"
    • Outlet Outside Diameter 1: 1.6"
    • Outlet Outside Diameter 2: 1.6"
    • Outlet Outside Diameter 3: 0.78"
    • Outlet Outside Diameter 4: 0.39"
    • Outlet Outside Diameter 5: 0.39"
    • Type: Coolant Outlet
    • UPC: 770075748885
    • Part Description: Engine Coolant Water Outlet
    More Info
    $116.35
  • Four Seasons Engine Coolant Thermostat Housing - 86138

    Four Seasons® Engine Coolant Thermostat Housing

    PartNumber: 86138
    Product Specifications
    • Gasket or Seal Included: Included
    • Material: Aluminum
    • Meets / Exceeds OEM: Yes
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361031241
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $181.40
  • VAICO Engine Coolant Thermostat Housing - V10-8196

    VAICO® Engine Coolant Thermostat Housing

    PartNumber: V10-8196
    Product Specifications
    • Cooling Hose: from distributor to cylinder head
    • Length [mm]: 127
    • OE Part Number: 3864, 021 121 117 A, 21121117A, 0002030061, 21 121 117 A
    • Packaging height [cm]: 9,5
    • Packaging width [cm]: 9,91
    • Weight [kg]: 0,299
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $27.12
  • VEMO Engine Coolant Thermostat Housing - V20-99-0001

    VEMO® Engine Coolant Thermostat Housing

    PartNumber: V20-99-0001
    Product Specifications
    • Height [mm]: 65
    • Length [mm]: 133
    • Material: Plastic
    • OE Part Number: 11537512733
    • Packaging Depth [cm]: 14,1
    • Packaging height [cm]: 8,2
    • Packaging width [cm]: 8,8
    • Supplementary Article/Info 2: without thermostat
    • Supplementary Article/Supplementary Info: with seal
    • Temperature range [°C]: 91
    • Weight [kg]: 0,125
    • Width [mm]: 63
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $18.06
  • OEM (Genuine) Cover Assembly, Thermostat (Nippon Thermostat)

    PartNumber: 19310-5A2-A02
    OEM Cover Assembly, Thermostat (Nippon Thermostat) - 19310-5A2-A02
    Product Specifications
    • Other Names: Cover Assembly, Thermostat, Thermostat Housing
    • Item Dimensions: 4.4 x 4.5 x 4.6 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Cover Assembly, Thermostat (Nippon Thermostat)
    More Info
    $57.24 MSRP: $80.86
    You Save: $23.62 (30%)
  • Gates Radiator Coolant Hose Flange - CO34880

    Gates® Radiator Coolant Hose Flange

    PartNumber: CO34880
    Product Specifications
    • Bolt Hole Quantity: 2
    • Contents: Coolant Hose Flange, Temperature Sensor, Seal
    • Gasket Quantity: 0
    • Grade Type: No
    • Material: Plastic
    • OE Part Number: 201242
    • Outlet Inside Diameter: 1.04 in
    • Outlet Outside Diameter: 1.25 in
    • Type: Coolant Hose Flange
    • UPC: 770075749028
    • Part Description: Radiator Coolant Hose Flange
    More Info
    $115.39
  • Four Seasons Engine Coolant Thermostat Housing - 86131

    Four Seasons® Engine Coolant Thermostat Housing

    PartNumber: 86131
    Product Specifications
    • Gasket or Seal Included: Not Included
    • Material: Plastic
    • Meets / Exceeds OEM: Yes
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361031173
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $143.96
  • OEM (Genuine) Case, Thermostat (Fuji Seiko)

    PartNumber: 19320-RAA-A01
    OEM Case, Thermostat (Fuji Seiko) - 19320-RAA-A01
    Product Specifications
    • Other Names: Thermostat Housing, Water Inlet
    • Item Dimensions: 4.5 x 3.8 x 3.4 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Case, Thermostat (Fuji Seiko)
    More Info
    $60.34 MSRP: $85.24
    You Save: $24.90 (30%)
  • Gates Engine Coolant Water Outlet - CO34834

    Gates® Engine Coolant Water Outlet

    PartNumber: CO34834
    Product Specifications
    • By-Pass Holes: No
    • Material: Aluminum
    • Number of Bolt Holes: 3
    • Number of Gaskets: 0
    • Number of Seals: 0
    • OE Exact: No
    • Outlet Inside Diameter 1: 1.35"
    • Outlet Outside Diameter 1: 1.75"
    • Type: Coolant Outlet
    • UPC: 770075748878
    • Part Description: Engine Coolant Water Outlet
    More Info
    $101.64
  • Four Seasons Engine Coolant Thermostat Housing W O Thermostat - 85360

    Four Seasons® Engine Coolant Thermostat Housing W O Thermostat

    PartNumber: 85360
    Product Specifications
    • Flange Thickness: 0.881
    • Gasket or Seal Included: Included
    • Inlet Port Diameter: 1.222
    • Material: Aluminum
    • Meets / Exceeds OEM: Yes
    • Overall Height IN: 7.500
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361853607
    • Part Description: Engine Coolant Thermostat Housing W O Thermostat
    More Info
    $139.72
  • VAICO Engine Coolant Thermostat Housing - V10-9708

    VAICO® Engine Coolant Thermostat Housing

    PartNumber: V10-9708
    Product Specifications
    • Length [mm]: 165
    • OE Part Number: 38121121B, 038 121 121 B, 38 121 121 B
    • Packaging height [cm]: 3,9
    • Packaging width [cm]: 7
    • Weight [kg]: 0,12
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $5.92
  • OEM (Genuine) Thermostat Unit

    PartNumber: 16031-0P010
    OEM Thermostat Unit - 16031-0P010
    Product Specifications
    • Item Dimensions: 3.2 x 2.8 x 2.5 inches
    • Item Weight: 0.60 Pounds
    • Replaces: 16031-31011, 16031-31010
    • Part Description: Thermostat Unit
    More Info
    $45.02 MSRP: $64.86
    You Save: $19.84 (31%)
  • Dorman Engine Coolant Thermostat Housing Assembly - 902-5210

    Dorman® Engine Coolant Thermostat Housing Assembly

    PartNumber: 902-5210
    Product Specifications
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 2.888"
    • Bolt Hole Quantity: 2
    • Color: Natural
    • Flange Length: 3.56"
    • Flange Thickness: 0.45"
    • Flange Width: 2.56"
    • Gasket Type: Gasket
    • Grade Type: Regular
    • Inside Diameter: 2"
    • Material: Aluminum
    • Mounting Hardware Included: No
    • Outlet Port Quantity: 1
    • Thermostat Opening Temperature: 212 Deg. F
    • UPC: 889245530004
    • Part Description: Engine Coolant Thermostat Housing Assembly
    More Info
    $186.02
  • Gates Engine Coolant Water Outlet - CO34874

    Gates® Engine Coolant Water Outlet

    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: Engine Coolant Water Outlet
    More Info
    $84.82
  • Four Seasons Engine Coolant Water Outlet - 86142

    Four Seasons® Engine Coolant Water Outlet

    PartNumber: 86142
    Product Specifications
    • Gasket or Seal Included: Included
    • Material: Aluminum
    • Meets / Exceeds OEM: Yes
    • Style: w/o Thermostat
    • Thermostat Included: Included
    • UPC: 096361031272
    • Part Description: Engine Coolant Water Outlet
    More Info
    $131.01
  • VAICO Engine Coolant Thermostat Housing - V10-8198

    VAICO® Engine Coolant Thermostat Housing

    PartNumber: V10-8198
    Product Specifications
    • Length [mm]: 163
    • Material: Plastic
    • OE Part Number: 06B 121 121, 6B 121 121 L, 06B 121 121 L, 6B121121L, 6B121121, 6B 121 121
    • Packaging height [cm]: 4,5
    • Packaging width [cm]: 4,5
    • Weight [kg]: 0,08
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $4.96
  • OEM (Genuine) Outlet Assy., Water

    PartNumber: 19350-PRB-A00
    OEM Outlet Assy., Water - 19350-PRB-A00
    Product Specifications
    • Other Names: Water Outlet
    • Item Dimensions: 7.2 x 5.6 x 3.2 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Outlet Assy., Water
    More Info
    $158.85 MSRP: $224.38
    You Save: $65.53 (30%)
  • Gates Engine Coolant Water Outlet - CO34898

    Gates® Engine Coolant Water Outlet

    PartNumber: CO34898
    Product Specifications
    • By-Pass Holes: No
    • Material: Plastic
    • Number of Bolt Holes: 2
    • Number of Gaskets: 0
    • Number of Seals: 1
    • OE Exact: Yes
    • Outlet Inside Diameter 1: 1.11"
    • Outlet Inside Diameter 2: 1.05"
    • Outlet Inside Diameter 3: 1.05"
    • Outlet Inside Diameter 4: 0.63"
    • Outlet Inside Diameter 5: 0.21"
    • Outlet Inside Diameter 6: 0.21"
    • Outlet Outside Diameter 1: 1.3"
    • Outlet Outside Diameter 2: 1.26"
    • Outlet Outside Diameter 3: 1.26"
    • Outlet Outside Diameter 4: 0.83"
    • Outlet Outside Diameter 5: 0.313"
    • Outlet Outside Diameter 6: 0.375"
    • Type: Thermostat Housing
    • UPC: 770075766353
    • Part Description: Engine Coolant Water Outlet
    More Info
    $78.13
  • Four Seasons Engine Coolant Thermostat Housing - 86035

    Four Seasons® Engine Coolant Thermostat Housing

    PartNumber: 86035
    Product Specifications
    • Gasket or Seal Included: Not Included
    • Material: Aluminum
    • Meets / Exceeds OEM: Yes
    • Style: w/o Thermostat
    • Thermostat Included: Not Included
    • UPC: 096361860353
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $113.45
  • VAICO Engine Coolant Thermostat Housing - V10-0372

    VAICO® Engine Coolant Thermostat Housing

    PartNumber: V10-0372
    Product Specifications
    • Length [mm]: 150
    • Material: Plastic
    • OE Part Number: 021 121 121 A, 21 121 121 A, 21121121A
    • Packaging Depth [cm]: 15
    • Packaging height [cm]: 4,1
    • Packaging width [cm]: 8,4
    • Weight [kg]: 0,05
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $3.89
  • OEM (Genuine) Case, Thermostat

    PartNumber: 19320-P2A-000
    OEM Case, Thermostat - 19320-P2A-000
    Product Specifications
    • Item Dimensions: 4.9 x 3.1 x 2.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Case, Thermostat
    More Info
    $48.05 MSRP: $67.89
    You Save: $19.84 (30%)
  • Dorman Engine Coolant Thermostat Housing Assembly - 902-5842

    Dorman® Engine Coolant Thermostat Housing Assembly

    PartNumber: 902-5842
    Product Specifications
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 3.36"
    • Bolt Hole Quantity: 3
    • Color/Finish: Black
    • Flange Length: 1.2"
    • Flange Thickness: 0.62"
    • Flange Width: 4.1"
    • Gasket Type: Standard
    • Grade Type: Regular
    • Inside Diameter: 1.21"; 1"; 1.31"
    • Material: Plastic
    • OE Part Number: 2742000115
    • Outlet Port Quantity: 1
    • Thermostat Opening Temperature (F): 207 Degrees
    • UPC: 889245253620
    • Part Description: Engine Coolant Thermostat Housing Assembly
    More Info
    $218.69
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About Thermostat Housing

The thermostat housing houses the thermostat which helps coolant travel so that the engine won't overheat. Although the thermostat housing may not seem like much, it is responsible for important components around the vehicle.

Importance of thermostat and thermostat housing

The thermostat is important for the engine, as it prevents it from overheating and causing damage to other components. The thermostat housing makes sure that no element is being affected from any debris or dirt. There are many housing like metal and plastic but both have their vulnerabilities.

Defective thermostat housing

The thermostat housing can run into problems quite often, some of those problems are the reading on the temperature gauge, and the leaking. The housing is responsible for allowing restriction of the travel of coolant. Leaks can also be caused due to a bad thermostat housing building pressure.

Often this type of incidents can lead to overheating and the coolant flow becoming inconsistent. A closed housing may be that the engine is not receiving the cooling effect it needs.