How to service and repair the water pump on a 4.0L SOHC engine on Mercury Mountaineer?

The water pump service starts by draining all fluid from the engine cooling system of a 4.0L SOHC engine. The service starts by first disconnecting the cooling fan and accessory drive belt then proceeding with component removal in the designated sequence. Install the water pump by following the reverse order of removal steps and perform cooling system filling and bleeding procedure. The coolant pump installation requires cleaning sealing surfaces with a metal surface cleaner together with a suitable plastic or wooden scraper and insertion of a new coolant pump gasket.

OEM Mercury Mountaineer Water Pump

H2O Pump

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4 Water Pumps found

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Mercury Mountaineer Water Pump
Part Number: 3L3Z-8501-CA
$51.84 MSRP: $83.64
You Save: $31.80 (39%)
Ships in 1 Business Day
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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:
- 2002-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Water Pump
Part Number: F7TZ-8501-AC
$77.65 MSRP: $125.27
You Save: $47.62 (39%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Replaces: F5TZ-8501-C, F7TZ-8501-AB, PW-349
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Water Pump
Part Number: 6L2Z-8501-A
$86.57 MSRP: $142.44
You Save: $55.87 (40%)
ADD TO CART
Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Replaced by: 6L2Z-8501-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer Water Pump
Part Number: F87Z-8501-CA
Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump; Water Pump Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS

Mercury Mountaineer Water Pump

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Mercury Mountaineer Water Pump Parts Questions & Experts Answers

Water Pump
3L3Z-8501-CA
Q: How to service and repair the water pump on a 4.0L SOHC engine on Mercury Mountaineer?
A: The water pump service starts by draining all fluid from the engine cooling system of a 4.0L SOHC engine. The service starts by first disconnecting the cooling fan and accessory Drive Belt then proceeding with component removal in the designated sequence. Install the water pump by following the reverse order of removal steps and perform cooling system filling and bleeding procedure. The coolant pump installation requires cleaning sealing surfaces with a metal surface cleaner together with a suitable plastic or wooden scraper and insertion of a new coolant pump gasket.