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Mercury Thermostat Housing
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OEM (Genuine) Mercury Adapter
PartNumber: 6S4Z-8K556-A$32.30 MSRP:$46.42You Save: $14.12 (31%)Product Specifications- Other Names: Adapter, Connector, Water Outlet
- Item Dimensions: 8.0 x 6.2 x 6.2 inches
- Item Weight: 2.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 3S4Z-8K556-AA
- Part Description: Mercury Adapter
$56.30Product Specifications- Bleeder Hole: No
- Bolt Hole Quantity: 3
- Color/Finish: Black
- Gasket Type: Rubber
- Grade Type: Standard
- Material: Plastic
- Mounting Hardware Included: No
- OE Part Number: YU3Z-8A586-AA
- Outlet Port Quantity: 3
- Thermostat Opening Temperature (F): 190 Degrees
- UPC: 019495126737
- Part Description: Mercury Engine Coolant Thermostat Housing Assembly
$166.43Product Specifications- Bolt Hole Quantity: 2
- Contents: Coolant Hose Flange, Temperature Sensor, Seal
- Gasket Quantity: 0
- Grade Type: No
- Material: Plastic
- OE Part Number: 201242
- Outlet Inside Diameter: 1.04 in
- Outlet Outside Diameter: 1.25 in
- Type: Coolant Hose Flange
- UPC: 770075749028
- Part Description: Mercury Radiator Coolant Hose Flange
$89.23Product Specifications- Gasket / Seals: Included
- Inlet Dia. IN: 1.179
- Material: Plastic
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.395
- Overall Height IN: 2.665
- Style: w/o Thermostat
- Thermostat Included: Included
- UPC: 096361000100
- Part Description: Mercury Engine Coolant Thermostat And Housing Assembly
$14.83 MSRP:$21.67You Save: $6.84 (32%)Product Specifications- Item Dimensions: 8.4 x 7.8 x 7.9 inches
- Item Weight: 0.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Thermostat Outlet
$57.02Product Specifications- Air Vent (Bleeder Valve): No
- Bolt Hole Diameter: 0.31"
- Bolt Hole Quantity: 2
- Bolts Included: No
- Color/Finish: Black
- Housing Neck Angle (°): 30 Degree
- Material: Plastic
- OE Part Number: 3F1Z8548AC
- Outlet Diameter: 1.25
- UPC: 885484535794
- Part Description: Mercury Engine Coolant Water Outlet
$104.36Product Specifications- By-Pass Holes: No
- Material: Plastic
- Number of Bolt Holes: 2
- Number of Gaskets: 0
- Number of Seals: 1
- OE Exact: Yes
- Outlet Inside Diameter 1: 1.11"
- Outlet Inside Diameter 2: 1.05"
- Outlet Inside Diameter 3: 1.05"
- Outlet Inside Diameter 4: 0.63"
- Outlet Inside Diameter 5: 0.21"
- Outlet Inside Diameter 6: 0.21"
- Outlet Outside Diameter 1: 1.3"
- Outlet Outside Diameter 2: 1.26"
- Outlet Outside Diameter 3: 1.26"
- Outlet Outside Diameter 4: 0.83"
- Outlet Outside Diameter 5: 0.313"
- Outlet Outside Diameter 6: 0.375"
- Type: Thermostat Housing
- UPC: 770075766353
- Part Description: Mercury Engine Coolant Water Outlet
$76.58Product Specifications- Bolt Hole Center To Bolt Hole Center: 2.6875
- Gasket or Seal Included: Not Included
- Material: Aluminum
- Meets / Exceeds OEM: Yes
- Style: w/o Thermostat
- Symetrical Base: No
- Thermostat Included: Not Included
- UPC: 096361850910
- Part Description: Mercury Engine Coolant Water Outlet W O Thermostat
$45.92 MSRP:$67.15You Save: $21.23 (32%)Product Specifications- Other Names: Thermostat Housing
- Item Dimensions: 15.2 x 11.1 x 0.6 inches
- Item Weight: 1.30 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Thermostat Housing
$49.09Product Specifications- Air Vent (Bleeder Valve): No
- Bolt Hole Diameter: 0.188"
- Bolt Hole Quantity: 3
- Bolts Included: No
- Color/Finish: Black
- Housing Neck Angle (°): 90 Degree
- Material: Plastic
- O-Rings Included: No
- OE Part Number: 2M2Z8592CD, 2M5Z8592CD
- Outlet Diameter: 1.5"
- Thermostat Included: No
- UPC: 037495606714
- Part Description: Mercury Engine Coolant Thermostat Housing
$99.41Product Specifications- By-Pass Holes: No
- Material: Plastic
- Number of Bolt Holes: 3
- Number of Gaskets: 0
- Number of Seals: 1
- OE Exact: No
- Outlet Inside Diameter 1: 1.29"
- Outlet Inside Diameter 2: 1.04"
- Outlet Inside Diameter 3: 1.02"
- Outlet Inside Diameter 4: 0.53"
- Outlet Outside Diameter 1: 1.49"
- Outlet Outside Diameter 2: 1.25"
- Outlet Outside Diameter 3: 1.24"
- Outlet Outside Diameter 4: 0.74"
- Type: Coolant Outlet
- UPC: 770075748854
- Part Description: Mercury Engine Coolant Water Outlet
$69.69Product Specifications- Gasket / Seals: Included
- Inlet Dia. IN: 1.179
- Material: Thermoplastic
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.395
- Overall Height IN: 2.665
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361853317
- Part Description: Mercury Engine Coolant Water Outlet Housing Kit W O Thermostat
OEM (Genuine) Mercury Thermostat Unit
PartNumber: 3M4Z-8575-B$32.78 MSRP:$52.29You Save: $19.51 (38%)Product Specifications- Other Names: Thermostat, Thermostat Housing, Thermostat Unit
- Item Dimensions: 8.6 x 7.7 x 7.9 inches
- Item Weight: 1.10 Pounds
- Fitment Type: Direct Replacement
- Replaces: 3M4Z-8575-A, 3M4Z-8575-AB
- Part Description: Mercury Thermostat Unit
$79.35Product Specifications- By-Pass Holes: Yes
- By-Pass Inside Diameter: 0.887"
- By-Pass Outside Diameter: 1.069"
- Material: Plastic
- Number of Bolt Holes: 3
- Number of Gaskets: 0
- Number of Seals: 2
- OE Exact: No
- Outlet Inside Diameter 1: 0.532"
- Outlet Outside Diameter 1: 0.71"
- Type: Coolant Outlet
- UPC: 770075648468
- Part Description: Mercury Engine Coolant Water Outlet
$64.21Product Specifications- Flange Thickness: 0.530
- Gasket or Seal Included: Not Included
- Inlet Port Diameter: 1.500
- Material: Plastic
- Meets / Exceeds OEM: Yes
- Overall Height IN: 5.996
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361000230
- Part Description: Mercury Engine Coolant Water Outlet Housing Kit W O Thermostat
OEM (Genuine) Mercury Lower Housing
PartNumber: GL2Z-8592-A$40.57 MSRP:$59.33You Save: $18.76 (32%)Product Specifications- Other Names: Lower Housing, Thermostat Housing
- Item Dimensions: 15.2 x 10.9 x 0.6 inches
- Item Weight: 1.20 Pounds
- Replaces: 1L2Z-8592-BB, RH-148, RH-93
- Part Description: Mercury Lower Housing
$57.62Product Specifications- Bleeder Hole: No
- Bolt Hole Center To Bolt Hole Center: 2.7"
- Bolt Hole Quantity: 2
- Color/Finish: Black
- Flange Length: 3.5"
- Flange Thickness: 0.25"
- Flange Width: 1.4"
- Gasket Type: Gasket
- Grade Type: Regular
- Inside Diameter: 0.8"; 0.6"
- Material: Metal
- Mounting Hardware Included: No
- OE Part Number: 5F9Z18599BA, 5F9Z8592BA
- Outlet Port Quantity: 1
- Thermostat Opening Temperature (F): 180 Degrees
- UPC: 019495263883
- Part Description: Mercury Engine Coolant Thermostat Housing
Four Seasons® Water Outlet for Mercury
PartNumber: 84881$49.04Product Specifications- Bolt Hole Center To Bolt Hole Center: 2.6875
- Gasket or Seal Included: Included
- Inlet Dia. IN: 0.980
- Material: Aluminum
- Maximum Height: 4.530
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.396
- Style: w/o Thermostat
- Symetrical Base: No
- Thermostat Included: Not Included
- UPC: 096361848818
- Part Description: Mercury Water Outlet
$50.35Product Specifications- Bleeder Hole: No
- Bolt Hole Quantity: 3
- Color/Finish: Black
- Gasket Type: Rubber
- Grade Type: Standard
- Material: Plastic
- Mounting Hardware Included: No
- OE Part Number: 2L2Z8592AA, 2L2Z8592BA, 6L2Z8592FA, RH148
- Outlet Port Quantity: 3
- Thermostat Opening Temperature (F): 190 Degrees
- UPC: 019495263906
- Part Description: Mercury Engine Coolant Thermostat Housing Assembly
$43.01Product Specifications- Gasket / Seals: Included
- Inlet Dia. IN: 1.068
- Material: Plastic
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 2.290
- Overall Height IN: 2.324
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361850941
- Part Description: Mercury Engine Coolant Water Outlet Housing Kit W O Thermostat
$123.19 MSRP:$186.67You Save: $63.48 (35%)Product Specifications- Other Names: Thermostat Housing
- Item Dimensions: 4.3 x 3.3 x 4.2 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: FOZZ-8592-A
- Part Description: Mercury Thermostat Housing
$31.60Product Specifications- Bleeder Hole: No
- Bolt Hole Center To Bolt Hole Center: 4.15"
- Bolt Hole Quantity: 2
- Color/Finish: Natural
- Flange Length: 3.85"
- Flange Thickness: 0.37"
- Flange Width: 2.52"
- Gasket Type: Gasket
- Grade Type: Regular
- Inside Diameter: 1.3"
- Material: Metal
- Mounting Hardware Included: No
- OE Part Number: 9L8Z8591A
- Outlet Port Quantity: 2
- Thermostat Opening Temperature (F): 192 Degrees
- UPC: 885484677241
- Part Description: Mercury Engine Coolant Thermostat Housing
$42.03Product Specifications- Bolt Hole Center To Bolt Hole Center: 3.438
- Gasket or Seal Included: Included
- Material: Plastic; Thermoplastic
- Meets / Exceeds OEM: Yes
- Style: w/o Thermostat
- Symetrical Base: No
- Thermostat Included: Not Included
- UPC: 096361851399
- Part Description: Mercury Engine Coolant Thermostat Housing W O Thermostat
OEM (Genuine) Mercury Connector
PartNumber: F5RZ-8592-A$14.83 MSRP:$21.67You Save: $6.84 (32%)Product Specifications- Other Names: Connector, Thermostat Housing, Water Outlet
- Item Dimensions: 3.2 x 2.7 x 3.3 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Connector
$31.77Product Specifications- Bleeder Hole: No
- Bolt Hole Quantity: 3
- Color/Finish: Black
- Flange Length: 2.29"
- Flange Thickness: 2.29"
- Flange Width: 2.29"
- Gasket Type: Rubber
- Grade Type: Standard
- Material: Plastic
- Mounting Hardware Included: No
- OE Part Number: XS7Z8592AD, XS7Z 8592-AB, XS7Z 8592-AC
- Outlet Port Quantity: 3
- Thermostat Included: No
- UPC: 019495358282
- Part Description: Mercury Engine Coolant Thermostat Housing Assembly
$40.06Product Specifications- Bolt Hole Center To Bolt Hole Center: 2.844
- Gasket or Seal Included: Not Included
- Material: Aluminum
- Meets / Exceeds OEM: Yes
- Style: w/o Thermostat
- Symetrical Base: Yes
- Thermostat Included: Not Included
- UPC: 096361851894
- Part Description: Mercury Engine Coolant Water Outlet W O Thermostat
- $191.09 MSRP:
$261.12You Save: $70.03 (27%)Product Specifications- Other Names: Thermostat Housing
- Item Dimensions: 7.9 x 4.7 x 12.5 inches
- Item Weight: 2.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: F7CZ-8592-AA
- Part Description: Mercury Thermostat Housing
$32.58Product Specifications- Air Vent (Bleeder Valve): No
- Bolt Hole Diameter: 0.313"
- Bolt Hole Quantity: 3
- Bolts Included: No
- Color/Finish: Natural
- Housing Neck Angle (°): 90 Degree
- Material: Metal
- O Rings Included: Not Required
- OE Part Number: E6FZ8592A, E6FZ8592B, F3CZ8592A, F3CZ8592AA
- Outlet Diameter: 1.313"
- Thermostat Included: No
- UPC: 885484544949
- Part Description: Mercury Engine Coolant Thermostat Housing
$38.21Product Specifications- Bolt Hole Center To Bolt Hole Center: 2.625
- Gasket or Seal Included: Included
- Inlet Dia. IN: 1.005
- Material: Aluminum
- Maximum Height: 2.606
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.402
- Style: w/o Thermostat
- Symetrical Base: Yes
- Thermostat Included: Not Included
- UPC: 096361850217
- Part Description: Mercury Engine Coolant Water Outlet W O Thermostat
$25.61Product Specifications- Air Vent (Bleeder Valve): No
- Bolt Hole Diameter: 0.31"
- Bolt Hole Quantity: 9
- Bolts Included: No
- Color/Finish: Black
- Material: Plastic
- O-Rings Included: No
- OE Part Number: 6G9Z8K556A, 1S7Z8K556AH
- Outlet Diameter: 0.75, 1.38, 0.38, 0.31
- UPC: 885484537712
- Part Description: Mercury Engine Coolant Water Outlet
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Next >About Mercury Thermostat Housing
Mercury became unique in terms of cars with high performance. During the 1950s, it received great success. Mercury appeals to drivers with high-quality thermostat housing parts. There are many types of thermostat housing parts like metal and plastic. Closed thermostat housing parts of Mercury may be that the engine is not receiving the cooling effect it needs.
Whereas, the worn thermostat housing parts need to be repaired for better Mercury's performance. A thermostat housing of Mercury is used to house the thermostat. And it helps regulate the flow of coolant. Signs of a bad thermostat housing include coolant leaks. The engine overheats is another sign. Also, temperature gauges showing incorrect readings, and bad coolant flow are signs. There are plenty of inexpensive and quality parts on our site. You may need the Mercury and its upgrades, a modern look, or excellent Mercury performance. We will try our best to offer good parts online.