How to service the thermostat for a 3.5L engine on Lincoln MKZ?

The procedure of servicing the 3.5L engine thermostat starts with draining the cooling system liquid. Start by taking away the air cleaner followed by removing the outlet pipe before disconnecting the lower radiator hose from the thermostat housing cover for placement aside. Detach the two bolts followed by removal of the thermostat housing cover and O-ring seal and thermostat. After inspecting the O-ring you should replace it with a new one if needed. Installation of the new thermostat requires engine coolant to lubricate the O-ring seal before securing the bolts to a torque of 10 Nm (89 inch lbs.). Close the system by following the reversal steps of the removal procedure while filling and bleeding the cooling system.

How to service and repair the thermostat for the 5.4L (4V) engine on Lincoln Navigator?

A partial drain of the engine cooling system must happen before servicing and repairing the thermostat for the 5.4L (4V) engine. The service begins with removing the upper radiator hose and heater water inlet hose as well as the heated PCV inlet hose from the water outlet adapter. Follow the water hose removal step as next step. Perform the installation steps by following the reverse of the removal process.

How to service the thermostat on Lincoln Town Car?

Service of the thermostat begins with draining the cooling system. The two coolant outlet adapter bolts require hand-tightening at first before final tightening to achieve proper coolant outlet adapter seating. Screw out the two bolts from their positions and place the coolant outlet adapter alongside the hose next to them. The installation process requires the bolt tightening torque to be set at 25 Nm (18 lb-ft). Start by discarding the O-ring seal then extract the coolant thermostat from the intake manifold while cleaning every sealing surface with metal surface prep. The installation process ends when you perform the reverse steps of removal and complete cooling system filling and bleeding.

OEM Lincoln Thermostat

Engine Coolant Thermostat

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22 Thermostats found

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Lincoln Thermostat
Part Number: DS7Z-8575-B
$25.69 MSRP: $40.80
You Save: $15.11 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaced by: DS7Z-8575-C
Fits the following Lincoln Models:
- Corsair | 2021-2023 | Grand Touring | 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
- MKZ | 2013-2020 | Black Label Hybrid, Hybrid, Premiere Hybrid, Reserve Hybrid, Reserve I Hybrid, Reserve II Hybrid, Select Hybrid | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV)
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Lincoln Thermostat
Part Number: XW4Z-8575-CA
$15.11 MSRP: $24.00
You Save: $8.89 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: Thermostat Assy
Fits the following Lincoln Models:
- LS | 2000-2002 | Base, LSE | 8 Cyl 3.9 L GAS
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Lincoln Thermostat
Part Number: 2C5Z-8575-AA
$12.48 MSRP: $19.82
You Save: $7.34 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
Fits the following Lincoln Models:
- Aviator | 2003-2005 | Base | 8 Cyl 4.6 L GAS
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Lincoln 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
Fits the following Lincoln Models:
- Blackwood | 2002 | Base | 8 Cyl 5.4 L GAS
- Mark LT | 2006-2008 | Base | 8 Cyl 5.4 L GAS
- Navigator | 1998-2014 | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
- Town Car | 1992-2011 | Anniversary, Base, Cartier, Cartier L, Cypress, Designer Series, Executive, Executive L, Executive Protection Series, Jack Nicklaus, Protection Series, Signature, Signature L, Signature Limited, Touring Edition, Tournament Edition, Ultimate, Ultimate L | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Lincoln Thermostat Housing
Part Number: 3M4Z-8575-B
$32.93 MSRP: $52.29
You Save: $19.36 (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
Fits the following Lincoln Models:
- MKZ | 2011-2012 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Lincoln Thermostat
Part Number: F5OY-8575-A
$12.85 MSRP: $20.40
You Save: $7.55 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly
Fits the following Lincoln Models:
- Continental | 1995-2002 | Anniversary, Base, Diamond Anniversary, Signature, Spinnaker Edition | 8 Cyl 4.6 L GAS
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Lincoln Thermostat Housing
Part Number: FR3Z-8575-A
$40.52 MSRP: $64.35
You Save: $23.83 (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
Fits the following Lincoln Models:
- MKC | 2015-2019 | Base, Black Label, Premiere, Reserve, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- MKZ | 2017-2020 | Base, Black Label, Premiere, Reserve, Reserve I, Reserve II, Select | 4 Cyl 2.0 L GAS
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Lincoln Thermostat Housing
Part Number: CJ5Z-8575-A
$39.59 MSRP: $62.87
You Save: $23.28 (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
Fits the following Lincoln Models:
- MKC | 2015-2016 | Base, Black Label, Premiere, Reserve, Select | 4 Cyl 2.0 L GAS
- MKT | 2013-2016 | Base | 4 Cyl 2.0 L GAS
- MKZ | 2013-2016 | Base, Black Label | 4 Cyl 2.0 L GAS
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Lincoln 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
Fits the following Lincoln Models:
- Continental | 2017-2020 | Black Label, Reserve, Select | 6 Cyl 2.7 L GAS
- MKX | 2016-2018 | Black Label, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS
- MKZ | 2017-2020 | Black Label, Reserve, Reserve II, Select | 6 Cyl 3.0 L GAS
- Nautilus | 2019-2023 | Black Label, Reserve, Select | 6 Cyl 2.7 L GAS
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Lincoln Thermostat
Part Number: ML3Z-8575-A
$27.01 MSRP: $41.80
You Save: $14.79 (36%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
Fits the following Lincoln Models:
- Navigator | 2022-2024 | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln Thermostat
Part Number: 1X4Z-8575-DB
$10.22 MSRP: $14.14
You Save: $3.92 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly
- Manufacturer Note: Requires F1VY 8255 A Seal
- Replaces: 1X4Z-8575-DA
Fits the following Lincoln Models:
- LS | 2003-2005 | Appearance, Base, LSE, Luxury, Premium | 6 Cyl 3.0 L GAS
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Lincoln Thermostat
Part Number: K2GZ-8575-C
$38.96 MSRP: $60.80
You Save: $21.84 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: K2GZ-8575-A, K2GZ-8575-B, RT-1244, RT-1246
Fits the following Lincoln Models:
- Corsair | 2020-2023 | Base, Reserve | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- Nautilus | 2019-2023 | Base, Black Label, Reserve, Select | 4 Cyl 2.0 L GAS
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Lincoln Thermostat
Part Number: BR3Z-8575-G
$23.85 MSRP: $36.91
You Save: $13.06 (36%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: BR3Z-8575-D, RT-1208, BR3Z-8575-A, RT-1225
Fits the following Lincoln Models:
- Aviator | 2020-2023 | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Continental | 2017-2020 | 80th Anniversary Coach Door Edition, Black Label, Coach Door Edition, Reserve | 6 Cyl 3.0 L GAS
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Lincoln Thermostat
Part Number: YF1Z-8575-BA
$9.94 MSRP: $15.38
You Save: $5.44 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: F58Z-8575-A, F5DZ-8575-A
Fits the following Lincoln Models:
- Continental | 1992-1994 | Base, Executive, Signature | 6 Cyl 3.8 L GAS
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Lincoln Thermostat
Part Number: 1X4Z-8575-EB
$9.99 MSRP: $15.45
You Save: $5.46 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: 1X4Z-8575-EA
Fits the following Lincoln Models:
- Zephyr | 2006 | Base | 6 Cyl 3.0 L GAS
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Lincoln Thermostat
Part Number: XR3Z-8575-BA
$7.31 MSRP: $11.31
You Save: $4.00 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: Thermostat 192 #XR3E 8597-BA
- Replaces: F88Z-8575-AA, E8TZ-8575-A, XL2Z-8575-AB
Fits the following Lincoln Models:
- Mark VII | 1992 | Bill Blass, LSC | 8 Cyl 5.0 L GAS
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Lincoln Thermostat
Part Number: 2W9Z-8575-AB
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
Fits the following Lincoln Models:
- LS | 2003-2006 | Base, LSE, Sport, Ultimate | 8 Cyl 3.9 L GAS
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Lincoln Thermostat
Part Number: F3LY-8575-A
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: Thermostat
Fits the following Lincoln Models:
- Mark VIII | 1993-1998 | Anniversary, Base, LSC | 8 Cyl 4.6 L GAS
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Lincoln Thermostat
Part Number: BL3Z-8575-B
$21.57 MSRP: $33.38
You Save: $11.81 (36%)
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: BL3Z-8575-A, RT-1213
Fits the following Lincoln Models:
- Navigator | 2015-2017 | Base, L, L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Thermostat
Part Number: XW4Z-8575-AA
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: Requires F1VY 8255 A Seal
Fits the following Lincoln Models:
- LS | 2000-2002 | Base, LSE | 6 Cyl 3.0 L GAS

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1-20 of 22 Results

Lincoln Thermostat Parts Questions & Experts Answers

Thermostat
1X4Z-8575-B
Q: How to service the thermostat for a 3.5L engine on Lincoln MKZ?
A: The procedure of servicing the 3.5L engine thermostat starts with draining the cooling system liquid. Start by taking away the air cleaner followed by removing the outlet pipe before disconnecting the lower radiator hose from the thermostat housing cover for placement aside. Detach the two bolts followed by removal of the thermostat housing cover and O-ring seal and thermostat. After inspecting the O-ring you should replace it with a new one if needed. Installation of the new thermostat requires engine coolant to lubricate the O-ring seal before securing the bolts to a torque of 10 Nm (89 inch lbs.). Close the system by following the reversal steps of the removal procedure while filling and bleeding the cooling system.
Thermostat
7L3Z-8575-E
Q: How to service and repair the thermostat for the 5.4L (4V) engine on Lincoln Navigator?
A: A partial drain of the engine cooling system must happen before servicing and repairing the thermostat for the 5.4L (4V) engine. The service begins with removing the upper radiator hose and heater water inlet hose as well as the heated PCV inlet hose from the water outlet adapter. Follow the water hose removal step as next step. Perform the installation steps by following the reverse of the removal process.
Thermostat
7L3Z-8575-E
Q: How to service the thermostat on Lincoln Town Car?
A: Service of the thermostat begins with draining the cooling system. The two coolant outlet adapter bolts require hand-tightening at first before final tightening to achieve proper coolant outlet adapter seating. Screw out the two bolts from their positions and place the coolant outlet adapter alongside the hose next to them. The installation process requires the bolt tightening torque to be set at 25 Nm (18 lb-ft). Start by discarding the O-ring seal then extract the coolant thermostat from the intake manifold while cleaning every sealing surface with metal surface prep. The installation process ends when you perform the reverse steps of removal and complete cooling system filling and bleeding.