How to service the thermostat housing on Lincoln Navigator?

To service the thermostat housing, drain the engine cooling system and remove upper radiator hose. Take off the bolts and get rid of the O-ring seal. Install new parts, attaching the bolts up to 10 Nm. Wipe surfaces down, then replace the O-ring seal in order to do so.

OEM Lincoln Navigator Thermostat Housing

Engine Coolant Thermostat Housing

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8 Thermostat Housings found

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Lincoln Navigator Thermostat Housing, Upper Part Number: F65Z-8592-BD
$24.79 MSRP: $36.67
You Save: $11.88 (33%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover.; Water Outlet; Thermostat Outlet; Thermostat Connector; Connection - Water Outlet
- Position: Upper
- Replaces: F65Z-8592-BC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2004 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
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Lincoln Navigator Thermostat Housing, Upper Part Number: 3L3Z-8592-CA
$25.19 MSRP: $36.67
You Save: $11.48 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover.; Water Outlet; Thermostat Connector; Upper Housing; Connection - Water Outlet
- Position: Upper
- Replaces: RH-138, 3L3Z-8592-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L GAS
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Lincoln Navigator Thermostat Housing, Upper Part Number: 9L3Z-8592-A
$25.19 MSRP: $36.67
You Save: $11.48 (32%)
ADD TO CART
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover.; Water Outlet; Connection - Water Outlet
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2014 Lincoln Navigator | Base, L | 8 Cyl 5.4 L FLEX
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Lincoln Navigator Thermostat Housing Part Number: BL3Z-8A586-G
$140.84 MSRP: $205.00
You Save: $64.16 (32%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Kit; Thermostat Housing Cover; Thermostat Unit
- Replaces: BL3Z-8592-C, RH-211, BL3Z-8A586-B, BR3Z-8592-B, RH-244
- 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
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Lincoln Navigator Thermostat Housing Part Number: XL1Z-8592-CB
$75.57 MSRP: $110.00
You Save: $34.43 (32%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Water Outlet; Thermostat Housing Cover; Connection - Water Outlet; Water Outlet
- Manufacturer Note: DOHC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2006 Lincoln Navigator | Base, Luxury, Ultimate | 8 Cyl 5.4 L GAS
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Lincoln Navigator Thermostat Housing Part Number: ML3Z-8A586-C
$93.94 MSRP: $136.73
You Save: $42.79 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover
- 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 Housing Part Number: HL3Z-8A586-C
$128.24 MSRP: $186.67
You Save: $58.43 (32%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Kit; Water Outlet
- Replaces: HL3Z-8A586-B, RH-262, RH-246, HL3Z-8A586-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2023 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Navigator Water Outlet, Upper Part Number: BR3Z-8592-Q
$128.15 MSRP: $256.67
You Save: $128.52 (51%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing & Cover; Upper Inlet Flange.; Thermostat Outlet; Outlet Tube; Connection - Water Outlet; Thermostat Housing
- Position: Upper
- 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 Housing

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Lincoln Navigator Thermostat Housing Parts and Q&A

Thermostat Housing, Upper
3L3Z-8592-CA
Q: How to service the thermostat housing on Lincoln Navigator?
A: To service the Thermostat housing, drain the engine cooling system and remove upper radiator hose. Take off the bolts and get rid of the O-ring seal. Install new parts, attaching the bolts up to 10 Nm. Wipe surfaces down, then replace the O-ring seal in order to do so.