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
$87.00 MSRP: $133.88
You Save: $46.88 (36%)
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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
You Save: $23.26 (32%)
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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
You Save: $14.72 (28%)
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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
You Save: $318.47 (28%)
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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

If you own Mercury and want to keep it in top shape, choosing OEM Thermostat Housing is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Mercury Thermostat Housing at some of the affordable online prices without cutting quality. Every OEM Mercury part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Mercury Thermostat Housing maintains the flow of coolant in the right direction and prevents the engine from burning during heat pressure. Mercury was discharged out of the 1930s showrooms with a name of a fleet-footed deity and a pledge of punchy midsize cars with plush rides and sharp sheet metal. The customers enjoyed the way Mercury was able to combine silence in cabins, smooth ride, and affordability in prices. Over decades through coupes and sedans, Mercury continued to add new comfort, dampen road noise, and push value up, with fashions whirling. It gained a following with comfortable cabins that saved knees and elbows on long interstate transports. Its cars continue to suggest that combination of comfort and attitude each time one passes by, even in 2011 when the final assembly line closed. Shapes with cab-forwardness, concealed headlights, and running chrome made the lineup appear lively without loss of practical space. The recent Thermostat Housing of Mercury engines features the use of rough composite or metal shells to hold the thermostat in place and direct the flow of coolant on the clean and direct loop back to the radiator. The Thermostat Housing has angled outlets that allow hoses to be placed without breakages and strains, as well as being sealed to prevent leakages. Anti-rust finishes combat rust in metal models, and high-density polymer alternatives imply that the Thermostat Housing can withstand cold start cracking fatigue. Swap time is maintained to a minimum by means of fast access to bolts, thus allowing a new Thermostat Housing to restore maximum cooling operation before a gauge can creep into the red.

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.