How to service and repair the thermostat on Lincoln Navigator?

Begin by draining out the engine cooling system partially in order to service and repair the thermostat. Next, unhook the upper radiator hose, heater water inlet hose and heated PCV inlet hose to the water outlet adapter. Then take off the water hose connection. In order to complete installation, one will simply undo the un-installation steps.

OEM Lincoln Navigator Thermostat

Engine Coolant Thermostat

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4 Thermostats found

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Lincoln Navigator 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:
- 1998-2014 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Lincoln Navigator Thermostat Part Number: HL3Z-8575-B
$21.74 MSRP: $33.64
You Save: $11.90 (36%)
Ships in 1-2 Business Days
ADD TO CART
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 Lincoln Navigator | Base, Black Label, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Navigator 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 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln Navigator 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 Lincoln Navigator | Base, L, L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS

Lincoln Navigator Thermostat

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Lincoln Navigator Thermostat Parts and Q&A

Thermostat
7L3Z-8575-E
Q: How to service and repair the thermostat on Lincoln Navigator?
A: Begin by draining out the engine cooling system partially in order to service and repair the thermostat. Next, unhook the upper radiator hose, heater water inlet hose and heated PCV inlet hose to the water outlet adapter. Then take off the water hose connection. In order to complete installation, one will simply undo the un-installation steps.