How to service the thermostat and thermostat housing for the 4.0L SOHC engine on Mercury Mountaineer?

The service operation for 4.0L SOHC engine's thermostat and thermostat housing begins with draining the engine cooling system. Install the components in the opposite sequence of removal while observing the specified procedures for each component. Follow the direction for assembly when all essential components are removed from the housing. The service requires inspection of the thermostat housing gasket prior to reassembly while installing a brand new gasket if damage is detected. Look for damage in the thermostat housing cover gasket and install a new gasket when needed. Toward the completion of this process you should perform a fill and bleed operation on the cooling system.

OEM Mercury Mountaineer Thermostat

Engine Coolant Thermostat

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4 Thermostats found

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Mercury Mountaineer 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:
- 2002-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Thermostat
Part Number: YU3Z-8575-AA
$32.17 MSRP: $51.09
You Save: $18.92 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat; Thermostat Insert Fo
- Replaces: F7TZ-8575-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Thermostat
Part Number: 2L2Z-8575-AA
$19.85 MSRP: $31.53
You Save: $11.68 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly; Engine Coolant Thermostat
- Replaces: 1L2Z-8575-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS

Mercury Mountaineer Thermostat

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Mercury Mountaineer Thermostat Parts Questions & Experts Answers

Thermostat
2L2Z-8575-AA
Q: How to service the thermostat and thermostat housing for the 4.0L SOHC engine on Mercury Mountaineer?
A: The service operation for 4.0L SOHC engine's thermostat and Thermostat Housing begins with draining the engine cooling system. Install the components in the opposite sequence of removal while observing the specified procedures for each component. Follow the direction for assembly when all essential components are removed from the housing. The service requires inspection of the thermostat housing gasket prior to reassembly while installing a brand new gasket if damage is detected. Look for damage in the thermostat housing cover gasket and install a new gasket when needed. Toward the completion of this process you should perform a fill and bleed operation on the cooling system.