How to service and repair the thermostat in a 3.9L engine on Lincoln LS?

Begin service and repair of the thermostat within the 3.9L engine by draining coolant first before removing the engine appearance cover along with the air cleaner outlet tube. Read and follow the specified order of removing separate components according to the illustrated instructions. Reinstall the unit according to the reverse order used for removal and properly fill the cooling system after bleeding it. To detach the thermostat users should rotate it in both directions while utilizing an 18 mm open-end wrench to lower and unlock the retainer from the housing. When installing the thermostat spring position the small section of the spring toward the thermostat housing. The installation process requires you to orient the thermostat pin in the housing hole while verifying that the tabs of the retainer snap into slots inside the thermostat housing. To install the thermostat users should employ an 18 mm open-end wrench for pushing down while rotating the retainer until the thermostat fits properly into position.

OEM Lincoln LS Thermostat

Engine Coolant Thermostat

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4 Thermostats found

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Lincoln LS Thermostat Part Number: XW4Z-8575-CA
$17.06 MSRP: $27.09
You Save: $10.03 (38%)
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: Thermostat Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2002 Lincoln LS | Base, LSE | 8 Cyl 3.9 L GAS
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Lincoln LS 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2005 Lincoln LS | Appearance, Base, LSE, Luxury, Premium | 6 Cyl 3.0 L GAS
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Lincoln LS Thermostat Part Number: 2W9Z-8575-AB
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2006 Lincoln LS | Base, LSE, Sport, Ultimate | 8 Cyl 3.9 L GAS
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Lincoln LS Thermostat Part Number: XW4Z-8575-AA
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Manufacturer Note: Requires F1VY 8255 A Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2002 Lincoln LS | Base, LSE | 6 Cyl 3.0 L GAS

Lincoln LS 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 LS parts. We keep a wide inventory of OEM LS 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.

The Thermostat in Lincoln LS is construed to be an indispensable part that has the functionality of regulating the temperature of cooling system in order to optimize the required temperature for performance and fuel efficiency. As a quality product, the Thermostat guarantees that the adequate temperature is maintained in the engine, avoiding high temperatures that can cause quick wearing out. This product is designed to fit different Lincoln LS years of 1999 to 2006 and, therefore, is suitable for those car owners who have purchased this elegant sedan. The state of the art mechanical design of the Thermostat entails features such as the bimetallic strips and wax pellet, and enables efficient regulation of heat transfer fluids by assuming attributes of temperature changes. This has a role of making the vehicle to be more efficient in its usage, but also safe since the engine cannot work beyond the most appropriate limit. Thermostat has differentiated itself from other automobiles because it is rugged and reliable in equal measures as is expected from Lincoln LS automobiles and their users. The Thermostat plays an essential role in the overall engineering of the Lincoln LS; it is compatible with both the V6, and V8 engine, so the company is able to offer customers the full potential of the car including better fuel efficiency and emissions control. All in all, Thermostat reflects that company's approach to create high-quality vehicles that perform well in the road conditions.

Lincoln LS Thermostat Parts and Q&A

Thermostat
1X4Z-8575-DB
Q: How to service and repair the thermostat in a 3.9L engine on Lincoln LS?
A:
Begin service and repair of the thermostat within the 3.9L engine by draining coolant first before removing the engine appearance cover along with the air cleaner outlet tube. Read and follow the specified order of removing separate components according to the illustrated instructions. Reinstall the unit according to the reverse order used for removal and properly fill the cooling system after bleeding it. To detach the thermostat users should rotate it in both directions while utilizing an 18 mm open-end wrench to lower and unlock the retainer from the housing. When installing the thermostat spring position the small section of the spring toward the Thermostat Housing. The installation process requires you to orient the thermostat pin in the housing hole while verifying that the tabs of the retainer snap into slots inside the thermostat housing. To install the thermostat users should employ an 18 mm open-end wrench for pushing down while rotating the retainer until the thermostat fits properly into position.