How to remove and replace a thermostat?

To remove the thermostat, remove the drive belt, power steering bracket, tube, air conditioning compressor, cooling fan, shroud, and ignition coil cover. After that, replace the thermostat rubber seal. During installation, replace the sealing ring, fit the thermostat, and tighten the bolts. Finally, let the engine reach normal temperature and inspect for leaks.

Genuine Ford Focus Thermostat

Engine Coolant Thermostat

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8 Thermostats found

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Ford Focus Thermostat Assembly
Part Number: FR3Z-8575-A
- Other Name: Thermostat Assy; Thermostat, Thermostat Housing, Thermostat Unit
$40.81 MSRP: $65.09
You Save: $24.28 (38%)

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Fits the following Vehicles:
2016-2018 Ford Focus | 4 Cyl 2.3L Ecoboost | 1-Speed Transmission, 5-Speed Manual Transmission - B5/IB5, 5-Speed Manual Transmission - MTX75, 6-Speed Automatic Transmission 6DCT450 - MPS6, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F15, 6-Speed Automatic Transmission DPS6, 6-Speed Manual Transaxle - MMT6, 6-Speed Manual Transmission - B6, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, RHD 4WD (FTD)
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Ford Focus Thermostat Assembly
Part Number: CJ5Z-8575-A
- Other Name: Thermostat Assy; Thermostat, Thermostat Housing, Thermostat Unit
$42.98 MSRP: $68.55
You Save: $25.57 (38%)

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Fits the following Vehicles:
2013-2018 Ford Focus | 4 Cyl 2.0L EcoBoost (240PS) | 1-Speed Transmission, 5-Speed Manual Transmission - MTX75, 6-Speed Automatic Transmission 6F15, 6-Speed Automatic Transmission DPS6, 6-Speed Manual Transaxle - MMT6, 6-Speed Manual Transmission - B6, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Focus Thermostat Assembly
Part Number: CP9Z-8592-G
- Other Name: Thermostat Assy; Thermostat Housing
$54.23 MSRP: $89.64
You Save: $35.41 (40%)

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Fits the following Vehicles:
2012-2018 Ford Focus | 4 Cyl 2.0L DI TIVCT Petrol | 1-Speed Transmission, 5-Speed Manual Transmission - MTX75, 6-Speed Automatic Transmission 6F15, 6-Speed Automatic Transmission DPS6, 6-Speed Manual Transaxle - MMT6, 6-Speed Manual Transmission - B6, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Focus Thermostat Assembly
Part Number: 1S7Z-8575-AG
- Other Name: Thermostat Assy; Thermostat, Thermostat Housing
$120.78 MSRP: $240.00
You Save: $119.22 (50%)

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Fits the following Vehicles:
2005-2011 Ford Focus | 4 Cyl 2.0L Duratec HE | 4-Speed Automatic Transaxle - 4F27E, 5-Speed Manual Transmission - MTX75, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Focus Thermostat Assembly
Part Number: 3M4Z-8575-AB
- Other Name: Thermostat Assy
- Replaced by: 3M4Z-8575-B
$34.88 MSRP: $55.64
You Save: $20.76 (38%)

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Fits the following Vehicles:
2003-2011 Ford Focus | 4 Cyl 2.0L Duratec HE, 4 Cyl 2.3L | 4AT 4F27E, 4-Speed Automatic Transaxle - 4F27E, 5MT, 5-Speed Manual Transmission - B5/IB5, 5-Speed Manual Transmission - MTX75, 6MT, 6-Speed Manual Transmission, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Focus Thermostat Assembly
Part Number: CM5Z-8575-A
- Other Name: Thermostat Assy
- Replaced by: CM5Z-8575-D
$15.85 MSRP: $25.27
You Save: $9.42 (38%)

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Fits the following Vehicles:
2015-2018 Ford Focus | 3 Cyl 1.0L EcoBoost 120PS/125PS/140PS | 1-Speed Transmission, 5-Speed Manual Transmission - MTX75, 6-Speed Automatic Transmission 6F15, 6-Speed Automatic Transmission DPS6, 6-Speed Manual Transaxle - MMT6, 6-Speed Manual Transmission - B6, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Focus Thermostat Assembly
Part Number: F8RZ-8575-CA
- Other Name: Thermostat Assy; Thermostat
- Replaces: F8RZ-8575-AA, F5RZ-8575-A
$10.65 MSRP: $16.55
You Save: $5.90 (36%)

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Fits the following Vehicles:
2000-2004 Ford Focus | 4 Cyl 2.0L, 4 Cyl 2.0L Zetec EFI, 4 Cyl 2.0L Zetec VVT | 4AT 4F27E, 4-Speed Automatic Transaxle - 4F27E, 5MT, 5-Speed Manual Transmission - B5/IB5, 5-Speed Manual Transmission - MTX75, 6MT, 6-Speed Manual Transmission, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Focus Thermostat Assembly
Part Number: YS4Z-8575-AA
- Other Name: Thermostat Assy
- Replaced by: KU2Z-8575-A
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Fits the following Vehicles:
2000-2004 Ford Focus | 4 Cyl 2.0L, 4 Cyl 2.0L CVH EFI | 4AT 4F27E, 4-Speed Automatic Transaxle - 4F27E, 5MT, 5-Speed Manual Transmission - B5/IB5, 5-Speed Manual Transmission - MTX75, 6MT, 6-Speed Manual Transmission, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Focus Thermostat Parts Questions & Answers

Thermostat Assembly
1S7Z-8575-AG
Q: How to remove and replace a thermostat?
A: To remove the thermostat, remove the drive belt, power steering bracket, tube, air conditioning compressor, cooling fan, shroud, and ignition coil cover. After that, replace the thermostat rubber seal. During installation, replace the sealing ring, fit the thermostat, and tighten the bolts. Finally, let the engine reach normal temperature and inspect for leaks.

Related Ford Focus Parts

About Ford Focus Thermostat

Of all the high-precision auto parts within a car, the most important one is the Ford Focus Thermostat. Keeping your Focus Thermostat in top condition is critical to keeping your vehicle running smoothly. By buying a new replacement part, you can save hundreds, even thousands of dollars in costly auto repairs later down the road.

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