How to Service and Repair the Water Pump on Mercury Grand Marquis?

To service the coolant pump, drain the cooling system, dismount the accessory drive belt and dismount the coolant pump and its O-ring seal. One should not rotate the pump housing during installation in order to avoid leaks. Install another lubricated O-ring, and undo the steps of removal and fill the cooling system up again.

OEM Mercury Grand Marquis Water Pump

H2O Pump

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4 Water Pumps found

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Mercury Grand Marquis Water Pump Part Number: 3L3Z-8501-CA
$49.93 MSRP: $80.55
You Save: $30.62 (39%)
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Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Manufacturer Note: With M30 Hub
- Replaced by: 5L3Z-8501-AC
- Replaces: 5R3Z-8501-A, 5L2Z-8501-A, 1L2Z-8501-BB, F7UZ-8501-CA, F8AZ-8501-AA, PW-470, PW-387, YW7Z-8501-AA, AR3Z-8501-A, F4AZ-8501-A, AL3Z-8501-B, PW-499, YR3Z-8501-AB, YC2Z-8501-BA, PW-466, XC2Z-8501-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-2000 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Water Pump Part Number: 5W7Z-8501-AA
$65.59 MSRP: $105.82
You Save: $40.23 (39%)
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Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Replaced by: 9W7Z-8501-A
- Replaces: YW7Z-8501-BB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Water Pump Part Number: FOAZ-8501-A
Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Manufacturer Note: INCLS. 8507 GASKET
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1988-1991 Mercury Grand Marquis | GS, LS | 8 Cyl 5.0 L GAS
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Mercury Grand Marquis Water Pump Part Number: E6AZ-8501-B
Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly; Pump
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1987 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS

Mercury Grand Marquis Water Pump

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Mercury Grand Marquis Water Pump Parts and Q&A

Water Pump
5W7Z-8501-AA
Q: How to Service and Repair the Water Pump on Mercury Grand Marquis?
A: To service the coolant pump, drain the cooling system, dismount the accessory Drive Belt and dismount the coolant pump and its O-ring seal. One should not rotate the pump housing during installation in order to avoid leaks. Install another lubricated O-ring, and undo the steps of removal and fill the cooling system up again.