How to service and repair the thermostat for 5.4L and 6.8L engines on Ford F-250 Super Duty?

The procedure for thermostat service and repair on engines with 5.4L or 6.8L capacity starts with draining the cooling system. The service process begins with outlet pipe removal from the air cleaner followed by separation of the thermostat housing bolts and thermostat unit while disposing the O-ring seal. The mating areas need to be inspected then cleaned using metal surface prep techniques. Insert the new O-ring seal by dual-conducting clean engine coolant onto its surface then installing it. The reinstallation process should include tightening the bolts to 10 Nm (89 inch lbs.) while reversing the disassembly steps.

OEM Ford F-250 Super Duty Thermostat

Engine Coolant Thermostat

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12 Thermostats found

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Ford F-250 Super Duty Thermostat Part Number: F6TZ-8575-EA
$45.11 MSRP: $71.64
You Save: $26.53 (38%)
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Product Specifications
- Other Name: Thermostat Assembly
- Replaces: F6TZ-8575-AA, F6TZ-8575-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2003 Ford F-250 Super Duty | Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL, 8 Cyl 7.3 L DIESEL
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Ford F-250 Super Duty Thermostat Part Number: 8C3Z-8575-D
$56.58 MSRP: $93.09
You Save: $36.51 (40%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: 8C3Z-8575-B, 8C3Z-8575-C, 8C3Z-8592-J, RH-202, 8C3Z-8592-M, RH-186
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2010 Ford F-250 Super Duty | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.4 L DIESEL
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Ford F-250 Super Duty Thermostat Part Number: 7L3Z-8575-E
$20.68 MSRP: $32.00
You Save: $11.32 (36%)
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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:
- 1999-2022 Ford F-250 Super Duty | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, Platinum, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.2 L FLEX
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Ford F-250 Super Duty Thermostat Part Number: HC3Z-8575-B
$36.98 MSRP: $58.73
You Save: $21.75 (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:
- 2018-2022 Ford F-250 Super Duty | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
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Ford F-250 Super Duty Thermostat Part Number: 7C3Z-8575-B
$12.40 MSRP: $20.00
You Save: $7.60 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: THERMOSTAT, WTR
- Replaces: YC2Z-8575-BC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2010 Ford F-250 Super Duty | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS
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Ford F-250 Super Duty Thermostat, Driver Side Part Number: BC3Z-8575-C
$42.71 MSRP: $67.82
You Save: $25.11 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat, Left; Engine Coolant Thermostat
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2016 Ford F-250 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
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Ford F-250 Super Duty Thermostat, Passenger Side Part Number: BC3Z-8575-B
$21.18 MSRP: $33.64
You Save: $12.46 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat, Right; Engine Coolant Thermostat
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2016 Ford F-250 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
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Ford F-250 Super Duty Thermostat Housing Part Number: 3C3Z-8575-AA
$40.08 MSRP: $63.64
You Save: $23.56 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat; Thermostat Housing Cover; Thermostat
- Manufacturer Note: Themostat and connector asy - #3C34 8575-AA - (Navistar ID 1839304C91) - includes gasket
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2007 Ford F-250 Super Duty | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.0 L DIESEL
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Ford F-250 Super Duty Thermostat Part Number: HC3Z-8575-C
$146.56 MSRP: $232.73
You Save: $86.17 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Automatic Transmission Oil Cooler Thermostat; Engine Coolant Thermostat
- Replaces: RT-1237, HC3Z-8575-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2022 Ford F-250 Super Duty | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
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Ford F-250 Super Duty Thermostat Part Number: BC3Z-8575-E
$42.52 MSRP: $66.36
You Save: $23.84 (36%)
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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:
- 2011-2024 Ford F-250 Super Duty | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
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Ford F-250 Super Duty Thermostat Part Number: LC3Z-8575-A
$23.27 MSRP: $36.00
You Save: $12.73 (36%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2024 Ford F-250 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.8 L FLEX, 8 Cyl 6.8 L GAS, 8 Cyl 7.3 L GAS
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Ford F-250 Super Duty Thermostat Part Number: PC3Z-8575-A
$46.02 MSRP: $71.82
You Save: $25.80 (36%)
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:
- 2023-2024 Ford F-250 Super Duty | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL

Ford F-250 Super Duty 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 F-250 Super Duty parts. We keep a wide inventory of OEM F-250 Super Duty 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 F-250 Super Duty Thermostat is a significant component that is useful to the vehicle's cooling system since will enhance the functionality and durability of the car. Being one the most dependable vehicles, the Ford F-250 Super Duty Thermostat controls temperatures preventing instances of extreme hotness throughout the vehicle's operation. This thermostat fits as many Ford F-250 Super Duty models as is possible ranging from the first generation of these rugged trucks from the market 1999 to the latest generation of these trucks and this has made it a go-to model for owners of F-250 super duty series of these trucks. As for the Ford F-250 Super Duty Thermostat, it has more complicated elements like bimetallic strips and wax pellet mechanism to address with ease, temperature fluctuation and consequently improving the working performance of the vehicle as a whole. For instance, the thermostat gives passenger comfort by helping avoid overheating and thus a comfortable driving experience. Also, the Ford F-250 Super Duty Thermostat comes incredibly durable as comes with better corrosion features especially if it is among models redesigned in 2008. Being fundamental to performance and reliability of the high-performance engines such as the Power Stroke diesel variations, Ford F-250 Super Duty Thermostat is unique in the automotive market. On the whole, this thermostat is the optimal evidence of Ford's caring and bringing out the optimal of its F-250 Super Duty assets.

Ford F-250 Super Duty Thermostat Parts and Q&A

Thermostat
7C3Z-8575-B
Q: How to service and repair the thermostat for 5.4L and 6.8L engines on Ford F-250 Super Duty?
A:
The procedure for thermostat service and repair on engines with 5.4L or 6.8L capacity starts with draining the cooling system. The service process begins with outlet pipe removal from the air cleaner followed by separation of the Thermostat Housing bolts and thermostat unit while disposing the O-ring seal. The mating areas need to be inspected then cleaned using metal surface prep techniques. Insert the new O-ring seal by dual-conducting clean engine coolant onto its surface then installing it. The reinstallation process should include tightening the bolts to 10 Nm (89 inch lbs.) while reversing the disassembly steps.