How to service and repair the thermostat on Ford Expedition?

Begin by draining down the engine cooling system partially in order to service and fix the thermostat. Unattach the upper radiator outlet hose to the water outlet adapter. Unscrew the bolts that hold the adapter and take it away. Then take the water thermostat off and dispose of the O-ring seal. In order to complete the installation, undo the process of removal.

OEM Ford Expedition Thermostat

Engine Coolant Thermostat

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4 Thermostats found

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Ford Expedition 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:
- 1997-2014 Ford Expedition | Eddie Bauer, EL Eddie Bauer, EL King Ranch, EL Limited, EL XL, EL XLT, Funkmaster Flex Edition, King Ranch, Limited, NBX, XL, XLS, XLT, XLT Sport | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Ford Expedition Thermostat Part Number: HL3Z-8575-B
$21.74 MSRP: $33.64
You Save: $11.90 (36%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: HL3Z-8575-A, RT-1238
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Ford Expedition | King Ranch, Limited, Max King Ranch, Max Limited, Max Platinum, Max SSV, Max XL, Max XLT, Platinum, SSV, XL, XLT | 6 Cyl 3.5 L GAS
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Ford Expedition Thermostat Part Number: ML3Z-8575-A
$30.43 MSRP: $47.09
You Save: $16.66 (36%)
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:
- 2022-2024 Ford Expedition | King Ranch, Limited, Max King Ranch, Max Limited, Max Platinum, Max SSV, Max XL, Max XLT, Platinum, SSV, Timberline, XL, XL STX, XLT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
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Ford Expedition 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:
- 2015-2017 Ford Expedition | EL King Ranch, EL Limited, EL Platinum, EL SSV, EL XL, EL XLT, King Ranch, Limited, Platinum, SSV, XL, XLT | 6 Cyl 3.5 L GAS

Ford Expedition Thermostat

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Ford Expedition Thermostat Parts and Q&A

Thermostat
7L3Z-8575-E
Q: How to service and repair the thermostat on Ford Expedition?
A: Begin by draining down the engine cooling system partially in order to service and fix the thermostat. Unattach the upper radiator outlet hose to the water outlet adapter. Unscrew the bolts that hold the adapter and take it away. Then take the water thermostat off and dispose of the O-ring seal. In order to complete the installation, undo the process of removal.