What are three ways to check the operation of a water pump while it's installed on the engine on Lincoln Navigator?

Water pump failure can cause severe engine damage. Three checks can identify issues while the pump is still on the engine. If coolant leaks from the pump's weep hole, the seal has failed. Noise from the pump during engine use suggests a failed shaft bearing. Excessive bearing wear can be detected by moving the pump pulley; if it moves, the bearing is worn and the pump needs replacing.

How to replace a water pump in a Lincoln Navigator?

Disconnect the cable from the negative battery terminal. With the engine cold, drain the cooling system. Remove the fan shroud and the fan assembly. Remove the drivebelt(s) and remove the water pump pulley. On V6 engines, disconnect the upper radiator hose from the water pump and remove the bolt and detach the heater water outlet tube from the top of the pump. Remove the water pump retaining bolts and remove the water pump. Take note of the installed positions of the various length bolts and studs. Before installation, remove and clean all gasket or sealant material from the water pump and cylinder block. If you're working on a VB engine, inspect the O-ring and sealing surface of water pump housing in the block for dirt or debris. Clean them thoroughly before reassembly. If you're working on a VB engine, lubricate a new O-ring seal with clean antifreeze and install it to the water pump. If you're working on a V6 engine, coat a new gasket with a thin film of RTV sealant and install it on the pump. Install the water pump and tighten the bolts to the specified torque. The remainder of the installation is the reverse of the disassembly sequence. Fill the cooling system with the proper coolant mixture. Start the engine and make sure there are no leaks. Check the level frequently during the first few weeks of operation to ensure there are no leaks and that the level in the system is stable.

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10 Water Pumps found

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Lincoln Navigator Pump Assembly - Water
Part Number: 3L3Z-8501-CA
$47.70 MSRP: $84.00
You Save: $36.30 (44%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Water Pump, Water Pump Assembly
- Manufacturer Note: With M30 Hub
- 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:
- 2009-2014 Lincoln Navigator | 8 Cyl 5.4L | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- 2003-2006 Lincoln Navigator | 8 Cyl 5.4L, 8 Cyl 5.4L DOHC EFI | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- 1999-2000 Lincoln Navigator | 8 Cyl 5.4L | 4AT 4R100
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Lincoln Navigator Pump Assembly - Water
Part Number: BL3Z-8501-C
$114.40 MSRP: $189.09
You Save: $74.69 (40%)
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Product Specifications
- Other Name: Pump Assy - Water; Water Pump, Water Pump Assembly
- Manufacturer Note: For 3 Bolt Pulley Flange
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2017 Lincoln Navigator | 6 Cyl 3.5L GTDI | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator Pump Assembly - Water
Part Number: BL3Z-8501-A
$93.72 MSRP: $154.91
You Save: $61.19 (40%)
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Product Specifications
- Other Name: Pump Assy - Water
- Manufacturer Note: For 4 Bolt Pulley Flange
- Replaced by: ER3Z-8501-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2016 Lincoln Navigator | 6 Cyl 3.5L GTDI | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator Pump Assembly - Water
Part Number: 7L3Z-8501-A
$80.08 MSRP: $132.36
You Save: $52.28 (40%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Pump Assy - Water
- Replaced by: 4C3Z-8501-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Lincoln Navigator | 8 Cyl 5.4L | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator Pump Assembly - Water
Part Number: AL3Z-8501-B
$50.82 MSRP: $84.00
You Save: $33.18 (40%)
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Product Specifications
- Other Name: Pump Assy - Water
- Manufacturer Note: Replacement Part Will Have Threaded Hub Per Water Pump Consolidation Program. Fully Interchangeable
- Replaced by: 3L3Z-8501-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2014 Lincoln Navigator | 8 Cyl 5.4L | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator Pump Assembly - Water
Part Number: YC2Z-8501-BA
$50.82 MSRP: $84.00
You Save: $33.18 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Pump Assy - Water
- Manufacturer Note: #YC2E 8501-BA
- Replaced by: 3L3Z-8501-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2000 Lincoln Navigator | 8 Cyl 5.4L | 4AT 4R100
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Lincoln Navigator COVER
Part Number: HL3Z-8501-C
$15.10 MSRP: $30.00
You Save: $14.90 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Auxiliary Pump, Rear Housing
- Replaces: HL3Z-8501-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2024 Lincoln Navigator | 6 Cyl 3.5 L GAS, 6 Cyl 3.5L GTDI | 10-Speed Automatic Transmission (10R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator PUMP ASY
Part Number: ML3Z-18D473-G
$74.57 MSRP: $135.83
You Save: $61.26 (46%)
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Product Specifications
- Other Name: Auxiliary Pump, Outlet Hose
- Replaces: ML3Z-18D473-E, ML3Z-18D473-F, ML3Z-8A595-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Lincoln Navigator | 6 Cyl 3.5 L GAS
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Lincoln Navigator Pump Assembly - Water
Part Number: JL3Z-8501-B
$92.07 MSRP: $152.18
You Save: $60.11 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: PUMP ASY - WATER; Water Pump
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Lincoln Navigator | 6 Cyl 3.5 L GAS, 6 Cyl 3.5L GTDI | 10-Speed Automatic Transmission (10R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator PUMP ASY - WATER
Part Number: ML3Z-8501-A
$69.08 MSRP: $110.18
You Save: $41.10 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Water Pump, Water Pump Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Lincoln Navigator | 6 Cyl 3.5 L GAS

Lincoln Navigator Water Pump Parts Questions & Experts Answers

Pump Assembly - Water
3L3Z-8501-CA
Q: What are three ways to check the operation of a water pump while it's installed on the engine on Lincoln Navigator?
A: Water pump failure can cause severe engine damage. Three checks can identify issues while the pump is still on the engine. If coolant leaks from the pump's weep hole, the seal has failed. Noise from the pump during engine use suggests a failed shaft bearing. Excessive bearing wear can be detected by moving the pump pulley; if it moves, the bearing is worn and the pump needs replacing.
Pump Assembly - Water
YC2Z-8501-BA
Q: How to replace a water pump in a Lincoln Navigator?
A: Disconnect the cable from the negative battery terminal. With the engine cold, drain the cooling system. Remove the fan shroud and the fan assembly. Remove the drivebelt(s) and remove the water pump pulley. On V6 engines, disconnect the upper radiator hose from the water pump and remove the bolt and detach the heater water outlet tube from the top of the pump. Remove the water pump retaining bolts and remove the water pump. Take note of the installed positions of the various length bolts and studs. Before installation, remove and clean all gasket or sealant material from the water pump and cylinder block. If you're working on a VB engine, inspect the O-ring and sealing surface of water pump housing in the block for dirt or debris. Clean them thoroughly before reassembly. If you're working on a VB engine, lubricate a new O-ring seal with clean antifreeze and install it to the water pump. If you're working on a V6 engine, coat a new gasket with a thin film of RTV sealant and install it on the pump. Install the water pump and tighten the bolts to the specified torque. The remainder of the installation is the reverse of the disassembly sequence. Fill the cooling system with the proper coolant mixture. Start the engine and make sure there are no leaks. Check the level frequently during the first few weeks of operation to ensure there are no leaks and that the level in the system is stable.