Thermostat

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The thermostat in your vehicle plays a vital role in your cooling system. Your vehicle's engine must maintain proper temperature. The thermostat is a valve that regulates its temperature and is located between the radiator and engine. As the coolant temp rises, the thermostat begins to open, allowing hot coolant in the engine to flow into the radiator and then cooler coolant from the radiator to the engine. If your thermostat is not functioning properly, or is broken, you may notice some signs such as an overheating engine, temperature changes, and coolant leaks. Over time, thermostats can sometimes stick, which would not allow coolant to flow into your radiator to get cooled. Thermostats can also develop leaks around the seal. A leaking thermostat would need to be replaced since it cannot seal properly and hold the antifreeze inside where it belongs. If you are leaking antifreeze, that vital fluid cannot cool down your engine like it is designed to do. An overheating engine will cause many problems if you let it go and don't get the problem fixed. Here at Parts Discounters, we have genuine OEM thermostat replacements for your specific make and model vehicle. Check out all of our thermostat options below.

Thermostat
Part Number: 25500-03850
Other Names: Thermostat Assembly More Names
Description: 1.4L. Elantra. More Info
Fits:
  • Hyundai:
    • Elantra
MSRP $205.63
$150.44
MSRP $205.63
$150.44
Thermostat
Part Number: 25500-22600
Other Names: Thermostat Assembly More Names
Description: 1.5L. More Info
Fits:
  • Hyundai:
    • Accent
MSRP $28.56
$20.90
MSRP $28.56
$20.90
Thermostat
Part Number: 25500-23010
Other Names: Thermostat Assembly More Names
Replaces: 25500-23001
Fits:
  • Hyundai:
    • Accent,
    • Elantra,
    • Santa Fe,
    • Santa Fe Sport,
    • Sonata,
    • Tiburon,
    • Tucson
  • 2 more
MSRP $30.68
$22.44
MSRP $30.68
$22.44
Thermostat
Part Number: 25500-2B000
Other Names: Thermostat Assembly More Names
Replaces: 25500-2B400
Description: Kona. Accent. Tucson. 2018-19. Veloster. Elantra GT. Sonata. 1.6l. Without turbo. More Info
Fits:
  • Hyundai:
    • Accent,
    • Elantra,
    • Elantra GT,
    • Kona,
    • Sonata,
    • Tucson,
    • Veloster
  • 2 more
MSRP $25.32
$18.53
MSRP $25.32
$18.53
Thermostat
Part Number: 25500-2E270
Other Names: Thermostat Assembly More Names
Description: Sonata. More Info
Fits:
  • Hyundai:
    • Sonata
MSRP $25.32
$18.53
MSRP $25.32
$18.53
Thermostat
Part Number: 25500-2GTA0
Other Names: Thermostat Assembly More Names
Description: Veloster N. Sonata. 2.0l. Santa Fe. 2.0l. 2.0L turbo, main. More Info
Notes: 11. More Notes
Fits:
  • Hyundai:
    • Santa Fe,
    • Santa Fe Sport,
    • Sonata,
    • Veloster N
MSRP $29.00
$21.22
MSRP $29.00
$21.22
Thermostat
Part Number: 25500-33060
Other Names: Thermostat Assembly More Names
Replaces: 25500-11010, 25500-21100, 25500-21210, 25500-21220, 25500-33020, 25500-33040, 25500-33050
Description: Excel. Sonata. Scoupe. To 6/01/92. Elantra. 1.8l. From 6/01/92. Elantra. 1.6l. More Info
Fits:
  • Hyundai:
    • Elantra,
    • Excel,
    • Scoupe,
    • Sonata
MSRP $26.53
$19.41
MSRP $26.53
$19.41
Thermostat
Part Number: 25500-35531
Other Names: Thermostat Assembly More Names
Replaces: 25500-35530
Description: To 10/1/00. Sonata. 2.5l. Santa Fe. 2.7l. More Info
Fits:
  • Hyundai:
    • Santa Fe,
    • Sonata
MSRP $35.69
$26.11
MSRP $35.69
$26.11
Thermostat
Part Number: 25500-3C130
Other Names: Thermostat Assembly More Names
Description: 3.8L. Azera. Sonata. Veracruz. Entourage. Genesis Coupe. Santa Fe. 3.5l. Santa Fe. 3.3l. More Info
Notes: 19. More Notes
Fits:
  • Hyundai:
    • Azera,
    • Entourage,
    • Genesis,
    • Genesis Coupe,
    • Santa Fe,
    • Sonata,
    • Veracruz
  • 2 more
MSRP $41.53
$30.39
MSRP $41.53
$30.39
Thermostat
Part Number: 25500-3C150
Other Names: Thermostat Assembly More Names
Description: G80. 3.3L. Azera. 3.8L, 2017. Santa Fe XL. Genesis sedan. More Info
Notes: 1. More Notes
Fits:
  • Genesis:
    • G80
  • Hyundai:
    • Azera,
    • Genesis,
    • Santa Fe,
    • Santa Fe XL
MSRP $41.53
$30.39
MSRP $41.53
$30.39
Thermostat
Part Number: 000-501-09-65
Other Names: Oil Cooler Thermostat More Names
Description: 4.6L - v8. More Info
Fits:
  • Mercedes-Benz:
    • S 550
MSRP $155.00
$124.00
MSRP $155.00
$124.00
Thermostat
Part Number: 25500-22250
Other Names: Thermostat Assembly More Names
Replaces: 25500-22050
Description: Sohc. Scoupe. Accent. More Info
Fits:
  • Hyundai:
    • Accent,
    • Scoupe
MSRP $27.87
$20.39
MSRP $27.87
$20.39
Thermostat
Part Number: 25500-35540
Other Names: Thermostat Assembly More Names
Description: Santa Fe. 2.7l. More Info
Fits:
  • Hyundai:
    • Santa Fe
MSRP $41.53
$30.39
MSRP $41.53
$30.39
Thermostat
Part Number: 25500-3L200
Other Names: Thermostat Assembly More Names
Description: G70. G80. G90. From 12/28/16. 3.3L, from 12/28/2016. More Info
Notes: 17. More Notes
Fits:
  • Genesis:
    • G70,
    • G80,
    • G90
MSRP $204.68
$149.74
MSRP $204.68
$149.74
Thermostat
Part Number: 272-200-06-15
Other Names: Coolant Thermostat More Names
Replaces: 273-200-04-15
Description: E550. Cls550. 5.5L, 2007-09. 5.5L, 2007-11. More Info
Fits:
  • Mercedes-Benz:
    • CLK 550,
    • CLS 550,
    • E 550
MSRP $195.00
$156.00
MSRP $195.00
$156.00
Thermostat
Part Number: 278-200-01-15
Other Names: Coolant Thermostat More Names
Description: 5.5L. Slk55 amg. More Info
Fits:
  • Mercedes-Benz:
    • SLK 55 AMG®
MSRP $270.00
$216.00
MSRP $270.00
$216.00
Thermostat
Part Number: 25500-2E272
Other Names: Thermostat Assembly More Names
Description: 2.0L. Sonata. More Info
Fits:
  • Hyundai:
    • Sonata
MSRP $25.32
$18.53
MSRP $25.32
$18.53
Thermostat
Part Number: 25500-37200
Other Names: Thermostat Assembly More Names
Description: Tucson. XG300, XG350. Sonata. 2.7l. Tiburon. 2.7l. From 10/1/00. Santa Fe. 2.7l. Santa Fe. 3.5l. More Info
Fits:
  • Hyundai:
    • Santa Fe,
    • Sonata,
    • Tiburon,
    • Tucson,
    • XG300,
    • XG350
  • 1 more
MSRP $35.29
$25.82
MSRP $35.29
$25.82
Thermostat
Part Number: 25500-03HB0
Other Names: Thermostat Assembly More Names
Description: Ioniq hybrid. Hybrid, plug-in, gas engine. More Info
Fits:
  • Hyundai:
    • Ioniq
MSRP $25.32
$18.53
MSRP $25.32
$18.53
Thermostat
Part Number: 25500-25001
Other Names: Thermostat Assembly More Names
Description: 2.0L. 2.5L. Sonata. 2.4L, 2006-08. Genesis Coupe. More Info
Fits:
  • Genesis:
    • G80
  • Hyundai:
    • Genesis Coupe,
    • Sonata
MSRP $35.29
$25.82
MSRP $35.29
$25.82
Thermostat
Part Number: 25500-26100
Other Names: Thermostat Assembly More Names
Description: 2.0L. Sonata Hybrid. More Info
Fits:
  • Hyundai:
    • Santa Fe Sport,
    • Sonata
MSRP $27.47
$20.10
MSRP $27.47
$20.10
Thermostat
Part Number: 25500-2GGA0
Other Names: Thermostat Assembly More Names
Description: Tucson. Sonata. 2.4l. Santa Fe. 2.4l. More Info
Fits:
  • Hyundai:
    • Santa Fe,
    • Santa Fe Sport,
    • Sonata,
    • Tucson
MSRP $40.73
$29.80
MSRP $40.73
$29.80
Thermostat
Part Number: 25500-38001
Other Names: Thermostat Assembly More Names
Description: Sonata. 2.4l. Santa Fe. 2.4l. More Info
Fits:
  • Hyundai:
    • Santa Fe,
    • Sonata
MSRP $28.56
$20.90
MSRP $28.56
$20.90
Thermostat
Part Number: 25500-3C140
Other Names: Thermostat Assembly More Names
Description: 3.3L. Azera. More Info
Notes: 1. More Notes
Fits:
  • Hyundai:
    • Azera,
    • Santa Fe
MSRP $41.53
$30.39
MSRP $41.53
$30.39
Thermostat
Part Number: 166-501-02-65
Other Names: Oil Cooler Thermostat More Names
Description: Coupe, 3.0l biturbo. More Info
Fits:
  • Mercedes-Benz:
    • GLE 43 AMG®,
    • GLE 450 AMG®
MSRP $144.00
$115.20
MSRP $144.00
$115.20
Thermostat
Part Number: 642-200-21-15
Other Names: Coolant Thermostat More Names
Replaces: 642-200-04-15
Description: E320. Diesel. More Info
Fits:
  • Mercedes-Benz:
    • E 320
MSRP $214.00
$171.20
MSRP $214.00
$171.20
Thermostat Housing
Part Number: 601-203-01-74
Other Names: Engine Coolant Thermostat Housing, Cover, Cover, Thermostat More Names
Description: Diesel. 190. 300d 2.5 turbo. 300d, e300 diesel. More Info
Fits:
  • Mercedes-Benz:
    • 190 D,
    • 300 D,
    • 300 SDL,
    • 300 TD,
    • 350 SD,
    • 350 SDL
  • 1 more
MSRP $114.00
$91.20
MSRP $114.00
$91.20
Thermostat Housing
Part Number: 25600-2G600
Other Names: Thermostat Unit, Control Assembly-Coolant Temperature More Names
Description: Sonata. 2.4L, 2009-10. More Info
Fits:
  • Hyundai:
    • Sonata
MSRP $271.89
$198.91
MSRP $271.89
$198.91
Thermostat Unit
Part Number: 25600-2GTA0
Other Names: Water Inlet, Thermostat Housing, Control Assembly-Coolant Temperature More Names
Description: 2.0L turbo. Sonata. 2.0l. More Info
Fits:
  • Hyundai:
    • Santa Fe,
    • Santa Fe Sport,
    • Sonata
MSRP $267.89
$195.99
MSRP $267.89
$195.99
Thermostat Housing
Part Number: 25613-22600
Other Names: Housing-Thermostat More Names
Description: 1.5L. More Info
Fits:
  • Hyundai:
    • Accent
MSRP $45.77
$33.49
MSRP $45.77
$33.49
Thermostat Housing
Part Number: 25620-23501
Positions: Lower
Other Names: Case-Thermostat More Names
Replaces: 25620-23500
Description: 2.0L. Lower. Elantra. More Info
Fits:
  • Hyundai:
    • Elantra,
    • Tiburon
MSRP $81.29
$59.47
MSRP $81.29
$59.47
Thermostat Housing
Part Number: 25620-2G500
Other Names: Case-Thermostat More Names
Description: Sonata. 2.4l. Tucson. 2.4l. 2010-13, 2.4l. 2014-15, 2.4L. Santa Fe. 2.4l. More Info
Fits:
  • Hyundai:
    • Santa Fe,
    • Santa Fe Sport,
    • Sonata,
    • Tucson
MSRP $113.47
$83.01
MSRP $113.47
$83.01
Thermostat Housing
Part Number: 25620-2G540
Other Names: Case-Thermostat More Names
Description: To 7/9/13. Sonata. 2.0l. Santa Fe. 2.0l. More Info
Fits:
  • Hyundai:
    • Santa Fe Sport,
    • Sonata
MSRP $113.47
$83.01
MSRP $113.47
$83.01
Thermostat Housing
Part Number: 25620-2G545
Other Names: Case-Thermostat More Names
Description: From 7/9/13. Sonata. 2.0l. Santa Fe. 2.0l. More Info
Fits:
  • Hyundai:
    • Santa Fe Sport,
    • Sonata
MSRP $113.47
$83.01
MSRP $113.47
$83.01
Thermostat Housing
Part Number: 25620-2GGB5
Other Names: Housing Assembly-Thermostat More Names
Description: 2.4L. Tucson. More Info
Fits:
  • Hyundai:
    • Tucson
MSRP $144.24
$105.53
MSRP $144.24
$105.53
Thermostat Housing
Part Number: 25620-2GTP0
Other Names: Case-Thermostat More Names
Description: Veloster N. 2.0L turbo, main. More Info
Fits:
  • Hyundai:
    • Veloster N
MSRP $97.08
$71.02
MSRP $97.08
$71.02
Thermostat Housing
Part Number: 25620-33102
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Case-Thermostat More Names
Replaces: 25620-33101
Description: Lower. Elantra. California. More Info
Fits:
  • Hyundai:
    • Elantra,
    • Sonata
MSRP $42.84
$31.34
MSRP $42.84
$31.34
Thermostat Housing
Part Number: 25620-37351
Other Names: Housing Assembly-Thermostat More Names
Replaces: 25620-37350
Description: Tucson. Sonata. 2.7l. Tiburon. 2.7l. Santa Fe. 2.7l. More Info
Fits:
  • Hyundai:
    • Santa Fe,
    • Sonata,
    • Tiburon,
    • Tucson
MSRP $207.26
$151.63
MSRP $207.26
$151.63
Thermostat Housing
Part Number: 25620-39011
Other Names: Case-Thermostat More Names
Replaces: 25620-39010
Description: XG300. More Info
Fits:
  • Hyundai:
    • XG300,
    • XG350
MSRP $204.56
$149.66
MSRP $204.56
$149.66
Thermostat Gasket
Part Number: 25623-2S000
Other Names: Gasket Thermostat Housing More Names
Description: 2.5L. More Info
Fits:
  • Hyundai:
    • Sonata
MSRP $68.47
$50.09
MSRP $68.47
$50.09
Thermostat Cover
Part Number: 25630-2GTA0
Other Names: Water Inlet, Thermostat Outlet, Fitting-Coolant Inlet More Names
Description: Sonata. 2.0l. Santa Fe. 2.0l. 2.0L turbo, main. More Info
Notes: 11. More Notes
Fits:
  • Hyundai:
    • Santa Fe,
    • Santa Fe Sport,
    • Sonata,
    • Veloster N
MSRP $21.18
$15.49
MSRP $21.18
$15.49
Thermostat Outlet
Part Number: 25631-2B057
Other Names: Thermostat Housing, Water Inlet, Fitting-Coolant Inlet More Names
Description: 1.6L. Kona. Veloster. Elantra GT. More Info
Fits:
  • Hyundai:
    • Elantra,
    • Elantra GT,
    • Kona,
    • Veloster
MSRP $27.73
$20.28
MSRP $27.73
$20.28
Thermostat Clamp
Part Number: 000-991-47-00
Other Names: Thermostat Unit Clamp, Mounting Clamp More Names
Description: Glb250. Coupe, convertible, i6-3.0l. More Info
Notes: 14. More Notes
Fits:
  • Mercedes-Benz:
    • AMG® GT 53,
    • CLS 450,
    • CLS 53 AMG®,
    • E 53 AMG®,
    • GLB 250,
    • GLE 450
  • 1 more
MSRP $2.70
$2.43
MSRP $2.70
$2.43
Thermostat Housing
Part Number: 112-203-03-75
Other Names: Thermostat, Thermostat Element More Names
Replaces: 112-200-01-15
Description: C32. Slk32. 3.2l with supercharger. More Info
Fits:
  • Mercedes-Benz:
    • C 32 AMG®,
    • SLK 32 AMG®
MSRP $45.00
$40.50
MSRP $45.00
$40.50
Thermostat Unit
Part Number: 113-203-03-75
Other Names: Thermostat, Thermostat Element More Names
Description: 5.5L. Slk55 amg. More Info
Fits:
  • Mercedes-Benz:
    • SLK 55 AMG®
MSRP $145.00
$116.00
MSRP $145.00
$116.00
Thermostat Housing
Part Number: 117-203-01-74
Other Names: Engine Coolant Thermostat Housing, Cover, Thermostat More Names
Description: 420sel, 560sec, 560sel. More Info
Fits:
  • Mercedes-Benz:
    • 420 SEL,
    • 560 SEC,
    • 560 SEL,
    • 560 SL
MSRP $117.00
$93.60
MSRP $117.00
$93.60
Thermostat Housing
Part Number: 177-200-08-15
Other Names: Engine Thermostat More Names
Description: 4.0L. S63 amg. E63 amg s. Amg gt 63 s. Coupe, convertible, s63. More Info
Fits:
  • Mercedes-Benz:
    • AMG® GT 63,
    • AMG® GT 63 S,
    • E 63 AMG®,
    • E 63 AMG® S,
    • S 63 AMG®
MSRP $640.00
$512.00
MSRP $640.00
$512.00
Thermostat Housing
Part Number: 272-200-05-15
Other Names: Thermostat, Coolant Thermostat More Names
Replaces: 273-200-02-15
Notes: 19. More Notes
Fits:
  • Mercedes-Benz:
    • CL 550,
    • E 550,
    • G 550,
    • GL 450,
    • GL 550,
    • ML 550,
    • S 550,
    • SL 550
  • 3 more
MSRP $135.00
$108.00
MSRP $135.00
$108.00
Thermostat Housing
Part Number: 68027789AA
Other Names: Thermostat, Thrmostat More Names
Replaces: 4792699AA, 4892107AA, 4892107AB
Description: With Thermostat [Thermostat only serviced with Housing]. More Info
Fits:
  • Chrysler:
    • 300,
    • 300M,
    • Concorde
  • Dodge:
    • Charger,
    • Intrepid,
    • Magnum
  • 1 more
MSRP $30.35
$20.38
MSRP $30.35
$20.38
Thermostat, Primary
Part Number: 55111016AE
Other Names: Thermostat, Thermostat, Secondary, Thrmostat More Names
Replaces: 55111016AD
Description: Primary. Secondary. After 04/16/12. After 04/06/12. 170 Degrees Fahrenheit. See Catalog Note. 170 Degrees f. More Info
Notes: 10. More Notes
Fits:
  • Chrysler:
    • 200,
    • Sebring
  • Dodge:
    • Avenger,
    • Caliber,
    • Journey
  • Jeep:
    • Compass,
    • Patriot
  • 2 more
MSRP $57.25
$38.47
MSRP $57.25
$38.47

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