How to service and repair the thermostat on Lincoln Navigator?

A partial draining of the engine cooling system needs to occur before starting thermostat service which leads to repair. Technicians need to detach both the heated PCV inlet hose along with the upper radiator hose and heater water inlet hose from the water outlet adapter. The water hose needs removal after disconnecting. Conclude the installation by reversing all steps from removal.

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
$19.83 MSRP: $32.00
You Save: $12.17 (39%)
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
$25.92 MSRP: $41.82
You Save: $15.90 (39%)
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 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
$29.66 MSRP: $47.09
You Save: $17.43 (38%)
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
$30.32 MSRP: $46.91
You Save: $16.59 (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

OEM Thermostat boasts unmatched quality. Each part goes through full quality checks. They adhere to Lincoln'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 Lincoln Navigator parts. We keep a wide inventory of OEM Navigator 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.

It is used to regulate the temperature of the engine in Lincoln Navigator vehicles so that all the necessary operations will work effectively and efficiently. Located close to the radiator, it works as the temperature-sensitive closed-loop control unit that sets the temperature to an ideal value. Several models of Thermostats have been used in navigator models in the past to control fuel injection, including mechanical ones such as the bimetallic strips and wax pellet thermostats. The generally work through change in size due to heat, thus improving on the control of temperatures in engines. The earlier models have also featured the pneumatic systems in which air tubes are adopted in regulating the temperature and which has promoted efficiency and comfort in handling vehicles.

Lincoln Navigator Thermostat Parts and Q&A

Thermostat
7L3Z-8575-E
Q: How to service and repair the thermostat on Lincoln Navigator?
A:
A partial draining of the engine cooling system needs to occur before starting thermostat service which leads to repair. Technicians need to detach both the heated PCV inlet hose along with the upper radiator hose and heater water inlet hose from the water outlet adapter. The water hose needs removal after disconnecting. Conclude the installation by reversing all steps from removal.