How do you diagnose and replace a thermostat in your Ford Mustang's cooling system?

First of all, before you diagnose and replace a thermostat in your vehicle's cooling system, you need to check the coolant level, drive belt and temperature gauge. To avoid any negative effects, don't drive without a thermostat. In order to replace it, you should first disconnect the battery, then drain out the cooling system, locate its housing and remove all necessary components before detaching the radiator hose and opening its cover. To accomplish this, get another thermostat which will have an o-ring seal that is well lubricated, fix back the radiator hose into position then assemble all components together again.

Genuine Ford Mustang Thermostat

Engine Coolant Thermostat

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21 Thermostats found

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Ford Mustang Thermostat Assembly
Part Number: BL3Z-8575-A
$23.06 MSRP: $32.73
You Save: $9.67 (30%)
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Product Specifications
- Other Name: Thermostat Assy; Thermostat
- Replaced by: BL3Z-8575-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2019 Ford Mustang | 6 Cyl 3.7L PFI NA | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: 7L3Z-8575-B
$21.78 MSRP: $30.91
You Save: $9.13 (30%)
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Product Specifications
- Other Name: Thermostat Assy
- Replaced by: 7L3Z-8575-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Ford Mustang | 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.8L DOHC SC | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: 3L3Z-8575-AC
$21.78 MSRP: $30.91
You Save: $9.13 (30%)
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy
- Replaced by: 7L3Z-8575-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Ford Mustang | 8 Cyl 4.6L SOHC EFI | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: BR3Z-8575-D
$25.50 MSRP: $36.18
You Save: $10.68 (30%)
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Product Specifications
- Other Name: Thermostat Assy; Thermostat
- Replaced by: BR3Z-8575-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2019 Ford Mustang | 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2L | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: 2L2Z-8575-AA
$19.38 MSRP: $30.91
You Save: $11.53 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy; Thermostat
- Replaces: 1L2Z-8575-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: FR3Z-8575-A
$39.56 MSRP: $63.09
You Save: $23.53 (38%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy; Thermostat, Thermostat Housing, Thermostat Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford Mustang | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: F5OY-8575-A
$12.65 MSRP: $20.00
You Save: $7.35 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy; Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2000 Ford Mustang | 8 Cyl 4.6L | 4AT 4R70W, 5MT
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Ford Mustang Thermostat Assembly
Part Number: 2C5Z-8575-AA
$12.54 MSRP: $19.82
You Save: $7.28 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy; Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2006 Ford Mustang | 8 Cyl 4.6L DOHC EFI, 8 Cyl 4.6L DOHC EFI S/C, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.8L DOHC SC | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang CONNECTION - WATER OUTLET
Part Number: BR3Z-8A586-N
$157.32 MSRP: $250.91
You Save: $93.59 (38%)
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Product Specifications
- Other Name: Thermostat Housing, Thermostat Unit
- Replaces: BR3Z-8A586-K, BR3Z-8A586-L, BR3Z-8A586-M, BR3Z-8592-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2024 Ford Mustang | 8 Cyl 5.0 L GAS, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS, 8 Cyl 5.2L | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: BR3Z-8575-A
$23.28 MSRP: $36.18
You Save: $12.90 (36%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy
- Replaced by: BR3Z-8575-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford Mustang | 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA | 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang THERMOSTAT ASY
Part Number: BC3Z-8575-E
$44.20 MSRP: $62.73
You Save: $18.53 (30%)
ADD TO CART
Product Specifications
- Other Name: Thermostat
- Replaces: BC3Z-8575-A, RT-1231, RT-1205, BC3Z-8575-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2022 Ford Mustang | 8 Cyl 5.2 L GAS
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Ford Mustang THERMOSTAT ASY
Part Number: BR3Z-8575-G
$25.50 MSRP: $36.18
You Save: $10.68 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Thermostat
- Replaces: BR3Z-8575-D, RT-1208, BR3Z-8575-A, RT-1225
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2024 Ford Mustang | 8 Cyl 5.0 L GAS, 8 Cyl 5.0L DOHC EFI Modular, 8 Cyl 5.0L MOD DOHC SEFI NA, 8 Cyl 5.2 L GAS, 8 Cyl 5.2L | 10-Speed Automatic Transmission (10R80), 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-3160, 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: 7R3Z-8575-A
$42.52 MSRP: $67.82
You Save: $25.30 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy
- Replaced by: 7R3Z-8575-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2014 Ford Mustang | 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC | 5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Automatic Transmission (6R80), 6-Speed Manual Transmission (T56), 6-Speed Manual Transmission-MT82, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang THERMOSTAT ASY
Part Number: P2GZ-8575-A
$29.13 MSRP: $45.27
You Save: $16.14 (36%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024 Ford Mustang | 4 Cyl 2.3 L GAS
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Ford Mustang Thermostat Assembly
Part Number: F5DZ-8575-A
$9.90 MSRP: $15.38
You Save: $5.48 (36%)
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy
- Replaced by: YF1Z-8575-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1982-1983 Ford Mustang | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C5, 4MT, 5MT
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Ford Mustang Thermostat Assembly
Part Number: GR3Z-8575-A
$51.19 MSRP: $81.64
You Save: $30.45 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assy; Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024 Ford Mustang | 8 Cyl 5.0 L GAS
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Ford Mustang Thermostat Assembly
Part Number: XR3Z-8575-BA
$7.28 MSRP: $11.31
You Save: $4.03 (36%)
Product Specifications
- Other Name: Thermostat Assy; Thermostat
- Manufacturer Note: Thermostat 192 #XR3E 8597-BA
- Replaces: F88Z-8575-AA, E8TZ-8575-A, XL2Z-8575-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Mustang | 6 Cyl 3.8L OHV EFI, 6 Cyl 3.9L OHV EFI NA | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission Tremec T56, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: F6ZZ-8575-A
Product Specifications
- Other Name: THERMOSTAT ASY
- Manufacturer Note: Thermostat-includes seal(8A571)-there is no 8255 seal
- Replaced by: KU2Z-8575-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996 Ford Mustang | 6 Cyl 3.8L | 4AT 4R70W, 5MT
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Ford Mustang Thermostat Assembly
Part Number: F5OZ-8575-AA
Product Specifications
- Other Name: Thermostat Assy; Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Ford Mustang | 8 Cyl 4.6L DOHC EFI | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 5-Speed Manual Transmission (T450D), 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Mustang Thermostat Assembly
Part Number: F6DZ-8575-AA
Product Specifications
- Other Name: THERMOSTAT ASY
- Manufacturer Note: BEFORE 4/98
- Replaced by: KU2Z-8575-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Ford Mustang | 6 Cyl 3.8L | 4AT 4R70W, 5MT

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Ford Mustang Thermostat

The Ford Mustang Thermostat is an important part of the car's cooling system usually located close to the radiator. This device is vital for regulating the temperature of the engine in a way that it performs at it's premier through the correct temperature. Operating as a closed loop control system, the thermostat feels the temperature and changes it to a desired amount of set point. Basically, thermostats commonly used in Mustang vehicles in the course of the years can be categorized as mechanical thermostats that include bimetallic strips and wax pellets and pneumatic thermostats characterized by air-filled control tubes. Such advancements in the thermostat technology have revolutionized the correctness of temperature control in automotive applications for giving comfortable and optimum ride to the Ford Mustang enthusiasts.

We provide a wide range of Ford Mustang Thermostat at the best prices possible. If you need Ford Mustang Thermostat, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Ford Mustang Thermostat Parts Questions & Experts Answers

Thermostat Assembly
2C5Z-8575-AA
Q: How do you diagnose and replace a thermostat in your Ford Mustang's cooling system?
A: First of all, before you diagnose and replace a thermostat in your vehicle's cooling system, you need to check the coolant level, drive belt and temperature gauge. To avoid any negative effects, don't drive without a thermostat. In order to replace it, you should first disconnect the battery, then drain out the cooling system, locate its housing and remove all necessary components before detaching the radiator hose and opening its cover. To accomplish this, get another thermostat which will have an o-ring seal that is well lubricated, fix back the radiator hose into position then assemble all components together again.