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1356 Products found

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  • $71.88 MSRP: $101.53
    You Save: $29.65 (30%)
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 2.9 x 2.9 x 2.6 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19301-PR7-305, 19300-PR7-A02, 19301-PR7-A00, 19301-PR7-A01, 19300-PR7-A01, 19301-PR7-306, 19301-PR7-307
    • Part Description: Thermostat Assembly (Nippon Thermostat)
    More Info
  • AISIN Engine Coolant Thermostat - THT-019
    $20.14
    Product Specifications
    • Part Description: Engine Coolant Thermostat
  • VEMO Engine Coolant Thermostat with Housing and Seal - V30-99-0197
    $119.45
    Product Specifications
    • Height [mm]: 105
    • Housing Type: Synthetic Material Housing
    • Length [mm]: 165
    • Opening Temperature [°C]: 97
    • Supplementary Article/Info 2: with sensor
    • Supplementary Article/Supplementary Info: with seal
    • Weight [kg]: 0.465
    • Width [mm]: 120
    • Part Description: Engine Coolant Thermostat with Housing and Seal
    More Info
  • facet Engine Coolant Thermostat with Gasket, Wiring Harness, Housing and Thermostat - 7.8927K
    $103.22
    Product Specifications
    • Part Description: Engine Coolant Thermostat with Gasket, Wiring Harness, Housing and Thermostat
  • STANT OE Exact Engine Coolant Thermostat - 48829
    $36.11
    Product Specifications
    • Flange Diameter (Without Seal): 1.87"
    • Height from Flange to Bottom: 1.97"
    • Height from Flange to Top of Bridge: 0.9"
    • OE Part Number: A2712000015, A2712030575, A2712030375
    • Temperature (F): 194 Degrees
    • UPC: 033342086500
    • Part Description: OE Exact Engine Coolant Thermostat
    More Info
  • $40.82 MSRP: $57.67
    You Save: $16.85 (30%)
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 6.1 x 5.3 x 2.1 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19301-PAA-305, 19301-P08-306, 19300-PH7-004, 19300-PH7-024, 19300-PT0-003, 19300-PL2-004, 19300-P08-014, 19301-P08-315, 19300-PR3-004, 19300-P08-003, 19300-PR3-003, 19301-P08-316, 19301-P08-305, 19301-P10-307, 19300-PT0-004, 19301-P08-000, 19300-PH7-014
    • Part Description: Thermostat Assembly (Nippon Thermostat)
    More Info
  • Gates OE Type Engine Coolant Thermostat - 34814
    $54.58
    Product Specifications
    • Depth from Flange: 0.75"
    • Design: Reverse Poppet
    • Flange Diameter: 1.8"
    • Height from Flange: 0.7"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: Yes
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 1
    • Number of Seals: 1
    • OE Comparison Rating: OE Performance
    • Seal Type: O-Ring
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 1.45"
    • Type: OE Type Thermostat
    • UPC: 770075686309
    • Part Description: OE Type Engine Coolant Thermostat
    More Info
  • VEMO Engine Coolant Thermostat Assembly - V30-99-0198
    $114.95
    Product Specifications
    • Height [mm]: 123
    • Housing Type: with housing
    • Length [mm]: 205
    • Opening Temperature [°C]: 95
    • Packaging Depth [cm]: 11,6
    • Packaging height [cm]: 17,7
    • Packaging width [cm]: 20,7
    • Supplementary Article/Info 2: with sensor
    • Supplementary Article/Supplementary Info: with seal
    • Weight [kg]: 0,317
    • Width [mm]: 177
    • Part Description: Engine Coolant Thermostat Assembly
    More Info
  • facet Engine Coolant Thermostat - 7.8738
    $53.53
    Product Specifications
    • Part Description: Engine Coolant Thermostat
  • STANT Engine Coolant Thermostat - 48759
    $28.60
    Product Specifications
    • Bypass Plate Diameter: 1.18"
    • Flange Diameter (With Seal): 1.6"
    • Flange Diameter (Without Seal): 1.83"
    • Height from Flange to Bottom: 1.06"
    • Height from Flange to Top of Bridge: 0.93"
    • OE Part Number: 5958079, 24420652, 55353492, 4503017, 4623815, 30553038, 22687712, 90502201, 11097431, 24420653, 30563202, 09120455
    • Temperature (F): 198 Degrees
    • UPC: 033342086401
    • Part Description: Engine Coolant Thermostat
    More Info
  • $55.99 MSRP: $79.10
    You Save: $23.11 (30%)
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 5.9 x 3.7 x 2.0 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19301-RNA-306, 19301-RNA-305
    • Part Description: Thermostat Assembly (Fuji Seiko)
    More Info
  • Gates OE Type Engine Coolant Thermostat - 34800
    $51.59
    Product Specifications
    • Depth from Flange: 0.98"
    • Design: Reverse Poppet
    • Flange Diameter: 2.63"
    • Height from Flange: 0.88"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: Yes
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 1
    • Number of Seals: 2
    • OE Comparison Rating: OE Performance
    • Seal Type: O-Ring
    • Temperature (C): 80
    • Temperature (F): 176
    • Total Height: 1.87"
    • Type: OE Type Thermostat
    • UPC: 770075686163
    • Part Description: OE Type Engine Coolant Thermostat
    More Info
  • VEMO Engine Coolant Thermostat with Gasket - V20-99-1258-1
    $98.35
    Product Specifications
    • Number of Poles: 2
    • Opening Temperature [°C]: 97
    • Part Description: Engine Coolant Thermostat with Gasket
    More Info
  • facet Engine Coolant Thermostat - 7.8758
    $51.77
    Product Specifications
    • Part Description: Engine Coolant Thermostat
  • $21.92 MSRP: $31.59
    You Save: $9.67 (31%)
    Product Specifications
    • Other Names: Water Inlet
    • Item Dimensions: 2.2 x 0.9 x 1.9 inches
    • Item Weight: 1.60 Pounds
    • Replaces: 90916-03129, 90916-03084
    • Part Description: Water Inlet
    More Info
  • Gates Premium Engine Coolant Thermostat - 34025S
    $41.21
    Product Specifications
    • Design: Reverse Poppet
    • Height: 1.92
    • Height Between Flanges: 1.18
    • Height from Flange: .74
    • Includes Installation Tool: No
    • Jiggle Pin Weep Hole: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 0
    • Sealing Flange Outside Diameter: 2.13
    • Start to Open Temperature: 180; 82
    • UPC: 770075753322
    • Part Description: Premium Engine Coolant Thermostat
    More Info
  • VEMO Engine Coolant Thermostat Assembly - V20-99-1294
    $86.03
    Product Specifications
    • Height [mm]: 90
    • Housing Type: Synthetic Material Housing
    • Length [mm]: 150
    • Opening Temperature [°C]: 108
    • Packaging Depth [cm]: 13,4
    • Packaging height [cm]: 12,1
    • Packaging width [cm]: 14,1
    • Supplementary Article/Supplementary Info: without gasket / seal
    • Weight [kg]: 0,273
    • Width [mm]: 130
    • Part Description: Engine Coolant Thermostat Assembly
    More Info
  • facet Engine Coolant Thermostat - 7.8756
    $40.19
    Product Specifications
    • Part Description: Engine Coolant Thermostat
  • $91.76 MSRP: $129.62
    You Save: $37.86 (30%)
    Product Specifications
    • Other Names: Thermostat, Thermostat Unit
    • Item Dimensions: 4.6 x 3.7 x 2.8 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19301-RAF-003
    • Part Description: Thermostat Assembly (Nippon Thermostat)
    More Info
  • VEMO Engine Coolant Thermostat with Housing and Gasket - V15-99-2067
    $67.82
    Product Specifications
    • Closing temperature [°C]: 88
    • Height [mm]: 69
    • Length [mm]: 180
    • Opening Temperature [°C]: 88
    • Packaging Depth [cm]: 9,8
    • Packaging height [cm]: 10,6
    • Packaging width [cm]: 25,9
    • Weight [kg]: 0,265
    • Width [mm]: 75
    • Part Description: Engine Coolant Thermostat with Housing and Gasket
    More Info
  • facet Engine Coolant Thermostat - 7.8770
    $40.19
    Product Specifications
    • Part Description: Engine Coolant Thermostat
  • $25.50 MSRP: $36.75
    You Save: $11.25 (31%)
    Product Specifications
    • Item Dimensions: 2.7 x 2.6 x 2.5 inches
    • Item Weight: 1.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Thermostat
    More Info
  • Gates Premium Engine Coolant Thermostat - 34016S
    $47.20
    Product Specifications
    • By-Pass Flange Diameter: 1.38
    • Design: Bottom By-Pass
    • Height: 2.22
    • Height Between Flanges: 1.4
    • Height from Flange: .82
    • Includes Installation Tool: No
    • Jiggle Pin Weep Hole: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-Ring
    • Sealing Flange Outside Diameter: 2.12
    • Start to Open Temperature: 188; 87
    • UPC: 770075745457
    • Part Description: Premium Engine Coolant Thermostat
    More Info
  • VEMO Engine Coolant Thermostat with Housing and Gasket - V15-99-2081
    $67.60
    Product Specifications
    • Height [mm]: 85
    • Housing Type: with housing
    • Length [mm]: 155
    • Opening Temperature [°C]: 85
    • Packaging Depth [cm]: 11,1
    • Packaging height [cm]: 14,2
    • Packaging width [cm]: 22,1
    • Supplementary Article/Supplementary Info: with seal
    • Weight [kg]: 0,226
    • Width [mm]: 109
    • Part Description: Engine Coolant Thermostat with Housing and Gasket
    More Info
  • facet Engine Coolant Thermostat - 7.8427
    $37.97
    Product Specifications
    • Part Description: Engine Coolant Thermostat
  • $93.95 MSRP: $132.15
    You Save: $38.20 (29%)
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 4.6 x 4.1 x 3.7 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Thermostat Assembly
    More Info
  • Gates Premium Engine Coolant Thermostat - 33943S
    $37.27
    Product Specifications
    • Design: Reverse Poppet
    • Height: 1.91
    • Height Between Flanges: 1.25
    • Height from Flange: .66
    • Includes Installation Tool: No
    • Jiggle Pin Weep Hole: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 1
    • Seal Type: O-Ring
    • Sealing Flange Outside Diameter: 2.12
    • Start to Open Temperature: 180; 82
    • UPC: 770075745327
    • Part Description: Premium Engine Coolant Thermostat
    More Info
  • VEMO Engine Coolant Thermostat - V20-99-0173
    $63.64
    Product Specifications
    • Height [mm]: 73
    • Length [mm]: 100
    • Opening Temperature [°C]: 82
    • Packaging Depth [cm]: 14,1
    • Packaging height [cm]: 8,2
    • Packaging width [cm]: 8,8
    • Vehicle Equipment: for vehicles with automatic transmission
    • Weight [kg]: 0,107
    • Width [mm]: 98
    • Part Description: Engine Coolant Thermostat
    More Info
  • facet Engine Coolant Thermostat - 7.8349
    $34.52
    Product Specifications
    • Part Description: Engine Coolant Thermostat
  • STANT OE Type Engine Coolant Thermostat - 14099
    $13.67
    Product Specifications
    • Bypass Plate Diameter: 1.7"
    • Flange Diameter (Without Seal): 2.625"
    • Height from Flange to Bottom: 1.03"
    • Height from Flange to Top of Bridge: 0.73"
    • OE Part Number: 07D121111AB, 078121113F, 078121113G
    • Temperature (F): 198 Degrees
    • UPC: 033342054752
    • Part Description: OE Type Engine Coolant Thermostat
    More Info
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About Thermostat

The thermostat is fundamental to the vehicles system in order to keep it cool. It is located by the radiator and it helps keep the engine at the best range for max performance. It is vital that the thermostat is perfect because if the engine is too hot or too cool, the engine can be damaged as well as other components.

Mechanical thermostats

Bimetal is a water and steam that is controlled by the metallic thermostat. While mechanical thermostats are used to control the dampers in the vents. Some heating systems have a valve that is controlled by the thermostat which allows the water and temperature to be adjusted to a certain level.

The wax pellet is used to maintain the engine at a stable temperature by controlling the amount of coolant that travels to the radiator by the expansion of the wax pellet. This component does not limit the amount of flow to the heater core on many makes.

There is also a pneumatic thermostat which restricts the heating or cooling system of tubes at a pressure of 15 to 18 psi.

Common issues with a bad thermostat

A bad thermostat can lead to overheating, blown radiator hose, and inaccurate temperature markings.