How to service the thermostat housing on a 2.3L engine on Mercury Mariner?

The repair process of thermostat housing for 2.3L engines starts by hoisting the vehicle with transmission in neutral position. First remove all fluid from the cooling system prior to taking off the accessory drive belt. The first step requires heater hose and lower radiator hose separation at the thermostat housing for removal. Tighten the new housing to 10 Nm (89 inch lbs.) after securing it with the three bolts during the installation stage. The service requires reversing removal steps to reinstall the component while checking the gasket for damage and replacing it when needed. To finalize the service you must perform cooling system filling and bleeding procedures.

How to service the thermostat housing on a 2.0L engine on Mercury Cougar?

Serious intervention on the thermostat housing of 2.0L engine vehicles starts with draining their cooling system. The initial step is to detach coolant hoses from the thermostat housing before separating the electrical connectors of the temperature gauge sender and the temperature sensor unit. Following the step of disconnecting the housing coolant hose you should remove the thermostat housing by unbolting its components to extract the part. Discard the O-ring seal. Follow the exact opposite steps of removal before filling the cooling system.

OEM Mercury Thermostat Housing

Engine Coolant Thermostat Housing

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34 Thermostat Housings found

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Mercury Thermostat Housing, Lower Part Number: GL2Z-8592-A
$43.17 MSRP: $62.83
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Lower; Thermostat Housing Cover; Lower Housing
- Position: Lower
- Replaces: 1L2Z-8592-BB, RH-148, RH-93
Fits the following Mercury Models:
- Mountaineer | 2001-2010 | 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 Thermostat Housing, Upper Part Number: F5RZ-8K528-CC
$91.98 MSRP: $133.88
You Save: $41.90 (32%)
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Product Specifications
- Other Name: Connection - Water Inlet; Engine Coolant Thermostat Housing, Upper; Thermostat Housing Cover; Connector Tube; Housing
- Position: Upper
- Replaces: F5RZ-8K528-B
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base, S, V6 | 6 Cyl 2.5 L GAS
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Mercury Thermostat Housing, Lower Part Number: 2L5Z-8592-BB
$51.07 MSRP: $74.33
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Lower; Engine Coolant Water Outlet; Thermostat Housing Cover; Connection - Water Outlet; Water Outlet
- Manufacturer Note: Housing For 2 Clip In Style Sensors
- Position: Lower
Fits the following Mercury Models:
- Mountaineer | 2001 | Base | 6 Cyl 4.0 L GAS
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Mercury Thermostat Housing Part Number: FOTZ-8592-F
$38.42 MSRP: $53.14
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Product Specifications
- Other Name: Connection - Water Outlet; Thermostat Housing Cover
- Manufacturer Note: Connector , Gas
Fits the following Mercury Models:
- Colony Park | 1987-1991 | GS, LS | 8 Cyl 5.0 L GAS
- Grand Marquis | 1984-1991 | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Mercury Water Outlet Part Number: 9L8Z-8592-A
$23.99 MSRP: $32.64
You Save: $8.65 (27%)
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Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Inlet Flange; Engine Coolant Water Outlet; Connector; Connection - Water Outlet
Fits the following Mercury Models:
- Mariner | 2009-2011 | Base, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Milan | 2010-2011 | Premier | 6 Cyl 3.0 L FLEX
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Mercury Thermostat Housing Part Number: F1VY-8592-AA
$5.62 MSRP: $7.77
You Save: $2.15 (28%)
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Product Specifications
- Other Name: Connection - Water Outlet; Thermostat Housing Cover; Outlet Assembly
- Manufacturer Note: Connector , NGV, BEFORE 12/10/98
Fits the following Mercury Models:
- Grand Marquis | 1992-1995 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Thermostat Housing Part Number: 7T4Z-8A586-B
$830.63 MSRP: $1149.10
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Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover; Housing Assembly; Connection - Water Outlet
- Replaces: 7T4Z-8A586-A
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Drain Hose Connector, Rear Part Number: 8L8Z-8592-B
$13.78 MSRP: $18.75
You Save: $4.97 (27%)
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Product Specifications
- Other Name: Connection Water Outlet; Sunroof Drain Hose Adapter, Rear
- Position: Rear
- Replaces: RH-182, 8L8Z-8592-A
Fits the following Mercury Models:
- Mariner | 2008-2011 | Base, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Thermostat Housing Part Number: F8RZ-8592-AG
Product Specifications
- Other Name: Housing - Thermostat; Thermostat Housing Cover
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base | 4 Cyl 2.0 L GAS
- Mystique | 1999-2000 | GS | 4 Cyl 2.0 L GAS
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Mercury Thermostat Housing, Upper Part Number: 7R3Z-8592-A
$25.85 MSRP: $36.67
You Save: $10.82 (30%)
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing, Upper; Engine Coolant Water Outlet; Thermostat Housing Cover; Water Outlet; Thermostat Outlet; Upper Housing; Connection - Water Outlet
- Position: Upper
- Replaces: 6L2Z-8592-DA
Fits the following Mercury Models:
- Mountaineer | 2005-2010 | Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Thermostat Housing Part Number: F5TZ-8592-CA
Product Specifications
- Other Name: Connection - Water Outlet; Thermostat Housing Cover
Fits the following Mercury Models:
- Mountaineer | 1997-1998 | Base | 8 Cyl 5.0 L GAS
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Mercury Thermostat Housing Part Number: F6AZ-8592-AB
Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover; Outlet Assembly; Connection - Water Outlet
- Manufacturer Note: CONNECTOR
Fits the following Mercury Models:
- Grand Marquis | 1996-2000 | GS, LS | 8 Cyl 4.6 L GAS
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Thermostat Housing Part Number: XF2Z-8592-AB
Product Specifications
- Other Name: Connection - Water Outlet; Thermostat Housing Cover
Fits the following Mercury Models:
- Sable | 1992-1995 | GS, LS, LTS | 6 Cyl 3.0 L GAS
- Topaz | 1992-1994 | GS, LTS, Sport, XR5 | 6 Cyl 3.0 L GAS
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Mercury Thermostat Housing Part Number: F6DZ-8592-AA
Product Specifications
- Other Name: Connection - Water Outlet; Engine Coolant Thermostat Housing; Thermostat Housing Cover
Fits the following Mercury Models:
- Sable | 1996-2000 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Thermostat Housing Part Number: F23Z8592AA
Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover
Fits the following Mercury Models:
- Topaz | 1992-1994 | GS, LS, LTS, Sport | 4 Cyl 2.3 L GAS
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Mercury Thermostat Housing Part Number: F4SZ-8592-A
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Thermostat Housing; Engine Coolant Water Outlet; Thermostat Housing Cover; Outlet Assembly; Connection - Water Outlet; Water Outlet
Fits the following Mercury Models:
- Cougar | 1994-1995 | XR-7 | 8 Cyl 4.6 L GAS
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Mercury Thermostat Housing Part Number: F4XZ-8592-BA
Product Specifications
- Other Name: Connection - Water Outlet; Thermostat Housing Cover
Fits the following Mercury Models:
- Villager | 1993-2002 | Base, Estate, GS, LS, Nautica, Sport | 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
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Mercury Thermostat Housing Part Number: F6ZZ-8592-C
Product Specifications
- Other Name: Connection - Water Outlet; Engine Coolant Thermostat Housing Cover; Thermostat Housing Cover; Outlet Assembly; Water Outlet
Fits the following Mercury Models:
- Cougar | 1996-1997 | XR-7 | 8 Cyl 4.6 L GAS
- Grand Marquis | 1999-2002 | GS, LS | 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Thermostat Housing Part Number: F78Z-8592-BD
Product Specifications
- Other Name: Connection Water Outlet; Engine Coolant Water Outlet; Thermostat Housing Cover; Water Outlet
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Thermostat Housing Part Number: HS4Z-8A586-A
Product Specifications
- Other Name: Connection Water Outlet; Thermostat Housing Cover
- Replaces: F5RZ-8592-B, RH-43
Fits the following Mercury Models:
- Cougar | 1999 | Base | 4 Cyl 2.0 L GAS
- Mystique | 1995-1998 | Base, GS, GS Spree, LS | 4 Cyl 2.0 L GAS

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Mercury Thermostat Housing

OEM Thermostat Housing boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury's official factory standards. These steps remove flaws and inconsistencies. So you can get Thermostat Housing with long life and a perfect fit. Come to our website and find genuine Mercury parts. We keep a wide inventory of OEM 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.

Mercury Thermostat Housing Parts and Q&A

Thermostat Housing, Lower
2M2Z-8592-CD
Q: How to service the thermostat housing on a 2.3L engine on Mercury Mariner?
A:
The repair process of thermostat housing for 2.3L engines starts by hoisting the vehicle with transmission in neutral position. First remove all fluid from the cooling system prior to taking off the accessory drive belt. The first step requires heater hose and lower radiator hose separation at the thermostat housing for removal. Tighten the new housing to 10 Nm (89 inch lbs.) after securing it with the three bolts during the installation stage. The service requires reversing removal steps to reinstall the component while checking the gasket for damage and replacing it when needed. To finalize the service you must perform cooling system filling and bleeding procedures.
Thermostat Housing
F5RZ-8592-A
Q: How to service the thermostat housing on a 2.0L engine on Mercury Cougar?
A:
Serious intervention on the thermostat housing of 2.0L engine vehicles starts with draining their cooling system. The initial step is to detach coolant hoses from the thermostat housing before separating the electrical connectors of the temperature gauge sender and the temperature sensor unit. Following the step of disconnecting the housing coolant hose you should remove the thermostat housing by unbolting its components to extract the part. Discard the O-ring seal. Follow the exact opposite steps of removal before filling the cooling system.