OEM Thermostat

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There are many important part's in your car's cooling system, and the thermostat is one of them. A thermostat is a small but vital part that sits between the engine and the radiator. In most cars it is about 2 inches in diameter. It blocks the flow of coolant to the radiator until the engine has warmed up.Thermostats are necessary parts of your vehicle's cooling system. You can check if your thermostat is working properly by the gauges in your car.If your gauge goes into the red within the first 15 minutes, your thermostat may be bad. Your temperature gauge might be acting erratically as well. A bad thermostat can cause your vehicle's engine temperature to be off, which can cause even more problems. A stuck thermostat blocks the flow of coolant to your engine, causing engine overheating. Over time you might also develop a leak around your thermostat, meaning that it is no longer sealing properly and needs to be replaced. If your thermostat isn't working properly for whatever reason, it needs to be replaced. You can find genuine OEM thermostat replacements here at New Hampshire OE Parts Direct for your specific make and model vehicle. Check out all of our thermostat options below!

Thermostat
Part Number: 0K201-61J20A
Other Names: Thermostat-Cool Unit More Names
Replaces: 0K201-61J20
Notes: Included with evaporator assembly. More Notes
Fits:
  • Kia:
    • Sephia
$47.07
$32.76
$47.07
$32.76
Thermostat
Part Number: 25500-2E000
Other Names: Thermostat Assembly More Names
Description: Soul. Forte sedan. 2.0L, gdi. 2.0L, 2012-13. 1.8L. More Info
Fits:
  • Kia:
    • Forte,
    • Forte Koup,
    • Forte5,
    • Soul
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-35540
Other Names: Thermostat Assembly More Names
Description: Rondo. Optima. 2.7L. More Info
Fits:
  • Kia:
    • Optima,
    • Rondo
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-3C150
Other Names: Thermostat Assembly More Names
Description: Sedona. Sorento. Cadenza. K900. 2015-18. 3.3L, 2016-18. 3.8L. More Info
Notes: Included with thermostat unit. Included with control assembly. More Notes
Fits:
  • Kia:
    • Cadenza,
    • K900,
    • Sedona,
    • Sorento
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-3L200
Other Names: Thermostat Assembly More Names
Description: Stinger. K900. 3.3L. More Info
Notes: Includes Thermostat Housing. Included with thermostat unit. More Notes
Fits:
  • Kia:
    • K900,
    • Stinger
$170.83
$114.80
$170.83
$114.80
Thermostat
Part Number: CM5Z-8575-D
Other Names: Thermostat Assembly More Names
Replaces: CM5Z-8575-A, CM5Z-8575-B, RT-1224-, RT-1235-
Description: EcoSport. Focus. Fiesta. 1.0L. Secondary thermostat. To 1/23/17. From 1/23/17. More Info
Fits:
  • Ford:
    • EcoSport,
    • Fiesta,
    • Focus
$28.13
$18.10
$28.13
$18.10
Thermostat
Part Number: BL3Z-8575-A
Other Names: Thermostat Assembly More Names
Notes: Included with thermostat housing. More Notes
Fits:
  • Ford:
    • Expedition,
    • Explorer,
    • F-150,
    • Mustang,
    • Police Interceptor Utility,
    • Transit-150,
    • Transit-250,
    • Transit-350,
    • Transit-350 HD
  • Lincoln:
    • Navigator
  • 5 more
$38.20
$24.16
$38.20
$24.16
Thermostat
Part Number: XW4Z-8575-AA
Other Names: Thermostat Assembly More Names
Description: Ls6. 3.0L. More Info
Fits:
  • Lincoln:
    • LS
$25.40
$6.25
$25.40
$6.25
Thermostat
Part Number: 1X4Z-8575-DB
Other Names: Thermostat Assembly More Names
Description: Ls6. 3.0L. From 8/22/03. To 8/22/03. More Info
Fits:
  • Lincoln:
    • LS
$28.02
$18.03
$28.02
$18.03
Thermostat
Part Number: 21200-3DD0A
Other Names: Thermostat Assembly More Names
Replaces: 21200-1KC0A
Fits:
  • Nissan:
    • Juke
$121.68
$86.88
$121.68
$86.88
Thermostat
Part Number: 21200-3RC5A
Other Names: Thermostat Assembly More Names
Description: Sentra. Manual trans. More Info
Notes: Includes Thermostat Gasket. More Notes
Fits:
  • Nissan:
    • Sentra
$47.93
$34.80
$47.93
$34.80
Thermostat
Part Number: 21200-5RF3A
Other Names: Thermostat Assembly More Names
Description: Kicks. More Info
Notes: Includes Thermostat Gasket. More Notes
Fits:
  • Nissan:
    • Kicks
$29.25
$21.24
$29.25
$21.24
Thermostat
Part Number: 21200-6M43A
Other Names: Thermostat Assembly More Names
Replaces: 21200-4Z000, 21200-4Z010, 21200-6M400
Description: Sentra, 200SX. 1.8L. More Info
Fits:
  • Nissan:
    • Sentra
$31.17
$22.63
$31.17
$22.63
Thermostat
Part Number: HC3Z-8575-B
Other Names: Thermostat Assembly More Names
Description: 6.7L, auxiliary. More Info
Fits:
  • Ford:
    • F-350 Super Duty
$46.13
$29.18
$46.13
$29.18
Thermostat
Part Number: XS7Z-8575-A
Other Names: Thermostat Assembly More Names
Description: 3.2L diesel. Transit. More Info
Notes: Included with thermostat housing. More Notes
Fits:
  • Ford:
    • Transit-150,
    • Transit-250,
    • Transit-350,
    • Transit-350 HD
$36.05
$23.20
$36.05
$23.20
Thermostat
Part Number: K2GZ-8575-A
Other Names: Thermostat Assembly More Names
Description: Nautilus. Edge. 2.0L. 2.3L. More Info
Notes: Includes Thermostat Gasket. More Notes
Fits:
  • Ford:
    • Edge,
    • Escape
  • Lincoln:
    • Corsair,
    • Nautilus
$29.87
$19.22
$29.87
$19.22
Thermostat
Part Number: LC3Z-8575-A
Other Names: Thermostat Assembly More Names
Description: 7.3L. More Info
Fits:
  • Ford:
    • E-350 Super Duty,
    • F-250 Super Duty,
    • F-350 Super Duty
$29.71
$19.12
$29.71
$19.12
Thermostat
Part Number: 2L2Z-8575-AA
Other Names: Thermostat Assembly More Names
Description: Explorer, Mountaineer. Ranger. Explorer Sport Trac. Mustang. 4.0L, 2001-11. Sohc. From 7/24/00. Without sport, sport trac. More Info
Notes: Included with housing assembly. More Notes
Fits:
  • Ford:
    • Explorer,
    • Explorer Sport,
    • Explorer Sport Trac,
    • Mustang,
    • Ranger
  • Mercury:
    • Mountaineer
  • 1 more
$30.09
$19.36
$30.09
$19.36
Thermostat
Part Number: 8C3Z-8575-D
Other Names: Thermostat Assembly More Names
Description: 6.4L turbo diesel. F250 super duty. F350 super duty. More Info
Fits:
  • Ford:
    • F-250 Super Duty,
    • F-350 Super Duty
$49.82
$31.51
$49.82
$31.51
Thermostat
Part Number: BR3Z-8575-E
Other Names: Thermostat Assembly More Names
Replaces: BR3Z-8575-C, RT-1217-
Description: MKX. Continental. MKZ. Edge. Nautilus. Fusion. F150. 5.0L. 3.0L. 2.7L turbo. More Info
Notes: Included with water manifold. Included with thermostat housing. More Notes
Fits:
  • Ford:
    • Edge,
    • F-150,
    • Fusion
  • Lincoln:
    • Continental,
    • MKX,
    • MKZ,
    • Nautilus
  • 2 more
$30.02
$19.32
$30.02
$19.32
Thermostat
Part Number: FR3Z-8575-B
Other Names: Thermostat Assembly More Names
Description: EcoSport. 2.0L. More Info
Notes: Includes Housing And Gasket. More Notes
Fits:
  • Ford:
    • EcoSport
$43.80
$27.70
$43.80
$27.70
Thermostat
Part Number: 0K018-1517Y
Other Names: Thermostat Set More Names
Replaces: 0K20W-1517Y
Description: Sportage. Sephia. Sohc. More Info
Notes: Included with thermostat unit. More Notes
Fits:
  • Kia:
    • Sephia,
    • Sportage
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 0K2C0-15171A
Other Names: Thermostat Assembly More Names
Replaces: 0K2C0-15171, 0K30E-15171
Description: Rio. More Info
Fits:
  • Kia:
    • Rio
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-23010
Other Names: Thermostat Assembly More Names
Replaces: 25500-23001
Notes: Included with thermostat unit. Included with housing assembly. Included with control assembly. More Notes
Fits:
  • Kia:
    • Forte,
    • Forte Koup,
    • Optima,
    • Rio,
    • Rio5,
    • Rondo,
    • Sorento,
    • Soul,
    • Spectra,
    • Spectra5,
    • Sportage
  • 6 more
$23.37
$16.26
$23.37
$16.26
Thermostat
Part Number: 25500-25001
Other Names: Thermostat Assembly More Names
Description: Optima. Rondo. 2.4L, to 5/22/08. More Info
Fits:
  • Kia:
    • Optima,
    • Rondo
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-2G670
Other Names: Thermostat Assembly More Names
Description: Optima Hybrid. 2.4l. More Info
Notes: Included with thermostat unit. More Notes
Fits:
  • Kia:
    • Optima
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-3C130
Other Names: Thermostat Assembly More Names
Description: Sorento. Sedona. 3.5L. 2011-12. More Info
Fits:
  • Kia:
    • Sedona,
    • Sorento
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: BC3Z-8575-C
Positions: Left
Other Names: Thermostat Assembly More Names
Description: F250, f350 super duty. Left. 6.7L diesel, cooler & reservoir. More Info
Notes: Included with intercooler. More Notes
Fits:
  • Ford:
    • F-250 Super Duty,
    • F-350 Super Duty
$60.71
$38.40
$60.71
$38.40
Thermostat
Part Number: LB5Z-8575-B
Other Names: Thermostat Assembly More Names
Description: Ranger. 2.3L. More Info
Notes: Includes Thermostat Gasket. More Notes
Fits:
  • Ford:
    • Explorer,
    • Ranger
$30.84
$19.84
$30.84
$19.84
Thermostat
Part Number: YU3Z-8575-AA
Other Names: Thermostat Assembly More Names
Description: Explorer, Mountaineer. 4.0L, sohc. With sport, sport trac. To 7/24/00. More Info
Notes: Included with housing assembly. More Notes
Fits:
  • Ford:
    • Explorer,
    • Explorer Sport,
    • Explorer Sport Trac
  • Mercury:
    • Mountaineer
$48.04
$30.38
$48.04
$30.38
Thermostat
Part Number: 1X4Z-8575-A
Other Names: Thermostat Assembly More Names
Replaces: 1X4Z-8575-FA, RT-1172-
Notes: Includes Thermostat Gasket. Included with housing assembly. Included with thermostat housing. More Notes
Fits:
  • Ford:
    • Edge,
    • Explorer,
    • Flex,
    • Freestyle,
    • Fusion,
    • Police Interceptor Sedan,
    • Police Interceptor Utility,
    • Taurus,
    • Taurus X
  • Lincoln:
    • Continental,
    • MKS,
    • MKT,
    • MKX,
    • MKZ
  • Mercury:
    • Sable
  • 10 more
$22.16
$14.26
$22.16
$14.26
Thermostat
Part Number: F5RZ-8575-B
Other Names: Thermostat Assembly More Names
Description: Sable, Taurus. 2.5l. 3.0L dohc. More Info
Fits:
  • Ford:
    • Contour,
    • Taurus
  • Mercury:
    • Mystique,
    • Sable
$24.56
$5.92
$24.56
$5.92
Thermostat
Part Number: 5F9Z-8575-AA
Other Names: Thermostat Assembly More Names
Description: Five Hundred, Montego. Freestyle. More Info
Notes: Includes Thermostat Gasket. More Notes
Fits:
  • Ford:
    • Five Hundred,
    • Freestyle
  • Mercury:
    • Montego
$22.95
$14.77
$22.95
$14.77
Thermostat
Part Number: 7C3Z-8575-B
Other Names: Thermostat Assembly More Names
Description: Excursion. 6.8L. E350 vans. E150-350 vans. F250 pick-up. F250 super duty. F350 super duty. More Info
Fits:
  • Ford:
    • E-350 Club Wagon,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • E-350 Super Duty,
    • Excursion,
    • F-250 Super Duty,
    • F-350 Super Duty
  • 2 more
$18.96
$12.20
$18.96
$12.20
Thermostat
Part Number: 25500-26100
Other Names: Thermostat Assembly More Names
Description: Sportage. Optima Hybrid. 2.0L turbo. More Info
Notes: Included with thermostat unit. Included with control assembly. More Notes
Fits:
  • Kia:
    • Optima,
    • Sportage
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-2CTA0
Other Names: Thermostat Assembly More Names
Description: Stinger. 2.0L. More Info
Fits:
  • Kia:
    • Stinger
$133.34
$91.20
$133.34
$91.20
Thermostat
Part Number: 25500-2E080
Other Names: Thermostat Assembly More Names
Description: Forte. 2.0L, mpi. More Info
Fits:
  • Kia:
    • Forte,
    • Forte5
$166.67
$114.00
$166.67
$114.00
Thermostat
Part Number: 25500-2GTA0
Other Names: Thermostat Assembly More Names
Description: Optima. Sorento. Sportage. 2.0L. More Info
Notes: Includes Thermostat Gasket. Included with thermostat unit. Included with control assembly. More Notes
Fits:
  • Kia:
    • Optima,
    • Sorento,
    • Sportage
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-37200
Other Names: Thermostat Assembly More Names
Description: Sportage. Optima. Sedona. Sorento. Amanti. 2.7l. 2003-06. 2.5L. More Info
Notes: Included with thermostat unit. Included with control assembly. More Notes
Fits:
  • Kia:
    • Amanti,
    • Optima,
    • Sedona,
    • Sorento,
    • Sportage
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-38001
Other Names: Thermostat Assembly More Names
Description: Optima. 2.4L. More Info
Notes: Included with housing assembly. More Notes
Fits:
  • Kia:
    • Optima
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-3C100
Other Names: Thermostat Assembly More Names
Description: Sedona. Sorento. Amanti. Borrego. 2006-10. 3.8l. 2007-09. Thermostat housing components. More Info
Fits:
  • Kia:
    • Amanti,
    • Borrego,
    • Sedona,
    • Sorento
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 25500-3C140
Other Names: Thermostat Assembly More Names
Description: 3.3L. More Info
Notes: Included with thermostat unit. More Notes
Fits:
  • Kia:
    • Sorento
$25.00
$17.40
$25.00
$17.40
Thermostat
Part Number: 21200-8J10B
Other Names: Thermostat Assembly More Names
Replaces: 21200-8J100
Description: Quest. Maxima. Murano. Altima. 3.5L. More Info
Fits:
  • Nissan:
    • Altima,
    • Maxima,
    • Murano,
    • Quest
$31.17
$22.63
$31.17
$22.63
Thermostat
Part Number: 21200-JF00A
Other Names: Thermostat Assembly More Names
Notes: Included with bracket. More Notes
Fits:
  • Nissan:
    • GT-R
$80.73
$58.61
$80.73
$58.61
Thermostat
Part Number: F8RZ-8575-BA
Other Names: Thermostat Assembly More Names
Description: Sable, Taurus. Escape, Mariner. Cougar. To 3/28/03. 2.5L. 3.0L dohc. More Info
Fits:
  • Ford:
    • Contour,
    • Escape,
    • Taurus
  • Mercury:
    • Cougar,
    • Mystique,
    • Sable
  • 1 more
$23.04
$5.03
$23.04
$5.03
Thermostat
Part Number: F8RZ-8575-CA
Other Names: Thermostat Assembly More Names
Description: Focus. Escort, Tracer. Escape, Mariner. Cougar. 2.0L, dohc engine. More Info
Fits:
  • Ford:
    • Contour,
    • Escape,
    • Escort,
    • Focus
  • Mercury:
    • Cougar,
    • Mystique
  • 1 more
$12.07
$7.77
$12.07
$7.77
Thermostat
Part Number: AG9Z-8575-B
Other Names: Thermostat Assembly More Names
Description: Edge. Explorer. 2.0L, to 9/04/12. More Info
Notes: Includes Thermostat Gasket. More Notes
Fits:
  • Ford:
    • Edge,
    • Explorer
$44.62
$28.22
$44.62
$28.22
Thermostat
Part Number: BC3Z-8575-B
Positions: Right
Other Names: Thermostat Assembly More Names
Description: F250, f350 super duty. Right. 6.7L diesel, cooler & reservoir. More Info
Notes: Included with intercooler. More Notes
Fits:
  • Ford:
    • F-250 Super Duty,
    • F-350 Super Duty
$60.71
$38.40
$60.71
$38.40
Thermostat
Part Number: BC3Z-8575-D
Other Names: Thermostat Assembly More Names
Replaces: BC3Z-8575-A, RT-1205-
Description: F250, f350 super duty. 6.7L diesel. F250, f350, f450, f550. More Info
Notes: Included with water manifold. More Notes
Fits:
  • Ford:
    • F-250 Super Duty,
    • F-350 Super Duty
$64.09
$40.54
$64.09
$40.54
Thermostat
Part Number: BE8Z-8575-Z
Other Names: Thermostat Assembly More Names
Description: Fiesta. 1.6L non turbo. Without turbo. More Info
Fits:
  • Ford:
    • Fiesta
$16.07
$10.34
$16.07
$10.34

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