How to service and repair the thermostat on Ford Mustang?

The engine coolant must be drained below the water thermostat before performing thermostat maintenance. The first step involves disconnecting the upper radiator hose from the water hose connection before using bolt removal to free the thermostat housing. Check the water outlet connection as the next step after eliminating the thermostat. The vehicle requires a complete cleaning of both mating surfaces before discarding the thermostat gasket. The servicing technician should examine and clean both the engine-side thermostat mating surface area. For proper replacement of the new thermostat follow protocol to set the index then put it exactly where it belonged originally. The new thermostat gasket requires Gasket and Trim Adhesive F3AZ-19B508-AA according to Ford specification ESE-M2G52-A with application for secure sealing around the thermostat. The thermostat installation commences by reversing the removal process which leads to filling up the cooling system system.

OEM Ford Mustang Thermostat

Engine Coolant Thermostat

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17 Thermostats found

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Ford Mustang Thermostat Part Number: 7L3Z-8575-E
$20.68 MSRP: $32.00
You Save: $11.32 (36%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat; Thermostat, Coolant
- Replaces: 7L3Z-8575-D, 7L3Z-8575-B, AL3Z-8575-B, RT-1196, RT-1230, 3L3Z-8575-AA, 3L3Z-8575-AC, 7L3Z-8575-C, AL3Z-8575-A, RT-1204, RT-1234, RT-1178, RT-1229, RT-1165
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010, 1996-2004 Ford Mustang | Bullitt, GT, GT Bullitt, Shelby GT | 8 Cyl 4.6 L GAS
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Ford Mustang Thermostat Part Number: YF1Z-8575-BA
$9.69 MSRP: $15.38
You Save: $5.69 (37%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: F58Z-8575-A, F5DZ-8575-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1995 Ford Mustang | Base | 6 Cyl 3.8 L GAS
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Ford Mustang Thermostat Part Number: 7R3Z-8575-B
$47.98 MSRP: $76.18
You Save: $28.20 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: 7R3Z-8575-A, RT-1185
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2014 Ford Mustang | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford Mustang Thermostat Part Number: 2C5Z-8575-AA
$12.94 MSRP: $20.55
You Save: $7.61 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2006 Ford Mustang | GT | 8 Cyl 4.6 L GAS
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Ford Mustang Thermostat Housing Part Number: FR3Z-8575-A
$36.18 MSRP: $57.45
You Save: $21.27 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat Kit; Thermostat Housing Cover; Thermostat Unit; Thermostat; Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford Mustang | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS
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Ford Mustang Thermostat Part Number: F5OY-8575-A
$12.85 MSRP: $20.40
You Save: $7.55 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2003, 1996-1999 Ford Mustang | GT, SVT Cobra | 8 Cyl 4.6 L GAS
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Ford Mustang Thermostat Housing Part Number: BR3Z-8A586-N
$176.33 MSRP: $280.00
You Save: $103.67 (38%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Kit; Thermostat Housing Cover; 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 | Boss 302, Bullitt, Dark Horse, Dark Horse Premium, GT, GT 50 Years Limited Edition, GT Premium, Mach 1, Shelby GT350, Shelby GT350R, Shelby GT500 | 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Mustang Thermostat Part Number: 2L2Z-8575-AA
$21.07 MSRP: $33.45
You Save: $12.38 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: 1L2Z-8575-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | Base | 6 Cyl 4.0 L GAS
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Ford Mustang Thermostat Part Number: BR3Z-8575-G
$25.97 MSRP: $40.18
You Save: $14.21 (36%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant 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 | Boss 302, Bullitt, Dark Horse, Dark Horse Premium, GT, GT 50 Years Limited Edition, GT Premium, Mach 1, Shelby GT350, Shelby GT350R, Shelby GT500 | 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Mustang Thermostat Part Number: BC3Z-8575-E
$42.52 MSRP: $66.36
You Save: $23.84 (36%)
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant 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 | Shelby GT500 | 8 Cyl 5.2 L GAS
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Ford Mustang Thermostat Part Number: GR3Z-8575-A
$70.42 MSRP: $111.82
You Save: $41.40 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024 Ford Mustang | Dark Horse, Dark Horse Premium, GT, GT Premium | 8 Cyl 5.0 L GAS
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Ford Mustang Thermostat Part Number: XR3Z-8575-BA
$7.31 MSRP: $11.31
You Save: $4.00 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant 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:
- 1992-1995 Ford Mustang | GT, GTS, LX, SVT Cobra, SVT Cobra R | 8 Cyl 5.0 L GAS
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Ford Mustang Thermostat Part Number: KU2Z-8575-B
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: F6DZ-8575-AA, F6ZZ-8575-A, F8DZ-8575-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2004 Ford Mustang | Base | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L GAS
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Ford Mustang Thermostat Part Number: KU2Z-8575-A
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: F8CZ-8575-AA, F6TZ-8575-AC, YS4Z-8575-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1993 Ford Mustang | LX | 4 Cyl 2.3 L GAS
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Ford Mustang Thermostat Part Number: BL3Z-8575-B
$24.21 MSRP: $37.45
You Save: $13.24 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: BL3Z-8575-A, RT-1213
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford Mustang | Base, V6 | 6 Cyl 3.7 L GAS
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Ford Mustang Thermostat Part Number: F5OZ-8575-AA
Product Specifications
- Other Name: Thermostat Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Ford Mustang | GT, Mach 1, SVT Cobra, SVT Cobra 10th Anniversary | 8 Cyl 4.6 L GAS
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Ford Mustang Thermostat Part Number: P2GZ-8575-A
$39.84 MSRP: $62.18
You Save: $22.34 (36%)
Product Specifications
- Other Name: Thermostat Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024 Ford Mustang | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS

Ford Mustang Thermostat

OEM Thermostat boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Thermostat with long life and a perfect fit. Come to our website and find genuine Ford Mustang parts. We keep a wide inventory of OEM Mustang parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

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.

Ford Mustang Thermostat Parts and Q&A

Thermostat
7L3Z-8575-E
Q: How to service and repair the thermostat on Ford Mustang?
A:
The engine coolant must be drained below the water thermostat before performing thermostat maintenance. The first step involves disconnecting the upper radiator hose from the water hose connection before using bolt removal to free the Thermostat Housing. Check the water outlet connection as the next step after eliminating the thermostat. The vehicle requires a complete cleaning of both mating surfaces before discarding the thermostat gasket. The servicing technician should examine and clean both the engine-side thermostat mating surface area. For proper replacement of the new thermostat follow protocol to set the index then put it exactly where it belonged originally. The new thermostat gasket requires Gasket and Trim Adhesive F3AZ-19B508-AA according to Ford specification ESE-M2G52-A with application for secure sealing around the thermostat. The thermostat installation commences by reversing the removal process which leads to filling up the cooling system system.