How to service the thermostat on a 3.0L engine on Ford Fusion?

When repairing the thermostat of a 3.0L engine, pull the vehicle into neutral using a hoist, drain the cooling system and remove the upper radiator hose. Take off the thermostat housing cover, check and change the O-ring as necessary, install the new thermostat and refill the cooling system.

How to service the thermostat and thermostat housing assembly for the 2.3L engine on Ford Fusion?

In order to service the thermostat and housing on the 2.3L engine, lift the vehicle, empty the cooling system and remove the accessory drive belt. Loosen hoses, take off the housing bolts and throw away the old gasket. Install the new housing and new gasket, screw-clamp bolts 10 Nm and re-fill cooling system.

OEM Ford Fusion Thermostat

Engine Coolant Thermostat

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9 Thermostats found

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Ford Fusion Thermostat Housing Part Number: FR3Z-8575-A
$36.18 MSRP: $57.45
You Save: $21.27 (38%)
Ships in 1 Business Day
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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:
- 2017-2020 Ford Fusion | Platinum, SE, SEL, Titanium | 4 Cyl 2.0 L GAS
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Ford Fusion Thermostat Part Number: DS7Z-8575-B
$24.85 MSRP: $39.45
You Save: $14.60 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaced by: DS7Z-8575-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2020 Ford Fusion | Energi Platinum, Energi SE, Energi Titanium, Platinum Hybrid, S Hybrid, SE Hybrid, SEL Hybrid, Titanium Hybrid | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Ford Fusion Thermostat Housing Part Number: CJ5Z-8575-A
$40.88 MSRP: $64.91
You Save: $24.03 (38%)
Ships in 1-2 Business Days
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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:
- 2013-2016 Ford Fusion | SE, Titanium | 4 Cyl 2.0 L GAS
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Ford Fusion Thermostat Housing Part Number: 3M4Z-8575-B
$30.23 MSRP: $48.00
You Save: $17.77 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat Kit; Thermostat Housing Cover; Thermostat Integral; Thermostat, Coolant; Thermostat Unit; Thermostat; Engine Coolant Thermostat
- Replaces: 3M4Z-8575-A, 3M4Z-8575-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2020 Ford Fusion | Hybrid, S, SE, SEL | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
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Ford Fusion Thermostat Housing Part Number: BM5Z-8592-C
$54.51 MSRP: $109.45
You Save: $54.94 (51%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat Kit; Thermostat Housing Cover; Water Outlet; Thermostat Unit; Thermostat; Engine Coolant Thermostat
- Manufacturer Note: THERMOSTAT AND HOUSING ASSY
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2014 Ford Fusion | SE | 4 Cyl 1.6 L GAS
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Ford Fusion Thermostat Part Number: BR3Z-8575-F
$23.01 MSRP: $35.60
You Save: $12.59 (36%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: BR3Z-8575-C, RT-1217, BR3Z-8575-E, RT-1227
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2019 Ford Fusion | Sport | 6 Cyl 2.7 L GAS
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Ford Fusion Water Outlet Part Number: BM5Z-8592-B
$59.02 MSRP: $98.91
You Save: $39.89 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat Kit; Thermostat Unit; Thermostat; Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013 Ford Fusion | SE | 4 Cyl 1.6 L GAS
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Ford Fusion Thermostat Part Number: 1X4Z-8575-EB
$9.73 MSRP: $15.45
You Save: $5.72 (38%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: 1X4Z-8575-EA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2012 Ford Fusion | SE, SEL | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Ford Fusion Thermostat Part Number: 1X4Z-8575-B
$15.63 MSRP: $24.18
You Save: $8.55 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: 1X4Z-8575-A, 1X4Z-8575-FA, RT-1228, RT-1172
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2012 Ford Fusion | Sport | 6 Cyl 3.5 L GAS

Ford Fusion Thermostat

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Ford Fusion Thermostat Parts and Q&A

Thermostat Housing
3M4Z-8575-B
Q: How to service the thermostat on a 3.0L engine on Ford Fusion?
A: When repairing the thermostat of a 3.0L engine, pull the vehicle into neutral using a hoist, drain the cooling system and remove the upper radiator hose. Take off the thermostat housing cover, check and change the O-ring as necessary, install the new thermostat and refill the cooling system.
Thermostat
1X4Z-8575-EB
Q: How to service the thermostat and thermostat housing assembly for the 2.3L engine on Ford Fusion?
A: In order to service the thermostat and housing on the 2.3L engine, lift the vehicle, empty the cooling system and remove the accessory Drive Belt. Loosen hoses, take off the housing bolts and throw away the old gasket. Install the new housing and new gasket, screw-clamp bolts 10 Nm and re-fill cooling system.