How to service and repair the thermostat on Ford Excursion?

Service the thermostat, drain part of the cooling system, remove upper radiator hose, and drain out the water screwing out the bolts. Install a new thermostat and O-ring seal, reconnect the outlet, reconnect the hose and refill the cooling system.

How to service the thermostat for the 5.4L and 6.8L engines on Ford Excursion?

To service the thermostat on 5.4L and 6.8L engines, partially drain the cooling system, disconnect upper radiator hose and remove coolant outlet connection. Install a new O-ring then replace the thermostat and O-ring seal and reassemble. Lastly, reattach hose and replenish cooling system.

OEM Ford Excursion Thermostat

Engine Coolant Thermostat

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4 Thermostats found

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Ford Excursion 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:
- 2000-2005 Ford Excursion | Eddie Bauer, Limited, XLS, XLT | 8 Cyl 5.4 L GAS
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Ford Excursion Thermostat Part Number: F6TZ-8575-EA
$45.11 MSRP: $71.64
You Save: $26.53 (38%)
Ships in 1 Business Day
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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:
- 2000-2003 Ford Excursion | Eddie Bauer, Limited, XLT | 8 Cyl 7.3 L DIESEL
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Ford Excursion Thermostat Housing Part Number: 3C3Z-8575-AA
$40.08 MSRP: $63.64
You Save: $23.56 (38%)
Ships in 1 Business Day
ADD TO CART
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:
- 2003-2005 Ford Excursion | Eddie Bauer, Limited, XLS, XLT | 8 Cyl 6.0 L DIESEL
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Ford Excursion Thermostat Part Number: 7C3Z-8575-B
$12.60 MSRP: $20.00
You Save: $7.40 (37%)
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:
- 2000-2005 Ford Excursion | Eddie Bauer, Limited, XLS, XLT | 10 Cyl 6.8 L GAS

Ford Excursion Thermostat

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Ford Excursion Thermostat Parts and Q&A

Thermostat
F6TZ-8575-EA
Q: How to service and repair the thermostat on Ford Excursion?
A: Service the thermostat, drain part of the cooling system, remove upper radiator hose, and drain out the water screwing out the bolts. Install a new thermostat and O-ring seal, reconnect the outlet, reconnect the hose and refill the cooling system.
Thermostat Housing
3C3Z-8575-AA
Q: How to service the thermostat for the 5.4L and 6.8L engines on Ford Excursion?
A: To service the thermostat on 5.4L and 6.8L engines, partially drain the cooling system, disconnect upper radiator hose and remove coolant outlet connection. Install a new O-ring then replace the thermostat and O-ring seal and reassemble. Lastly, reattach hose and replenish cooling system.