How to service and repair the water pump on 2003 Ford F-150?

Start water pump servicing by taking out the cooling tank engine and fan shroud first then continue with removing the drive belt along with the water pump pulley. The water pump pulleys require bolt removal as the next step. You should disconnect the upper radiator hose from the water pump when working on the 4.2L engine. The next step involves both undoing the water pump bolts and extracting the water pump off the cylinder block for later cleaning and surface inspection of the mating areas. Before installing the new water pump users need to carefully select the appropriate coolant type between Motorcraft Premium Engine Coolant VC-4-A (green) or VC-5 (for Oregon residents only) or Motorcraft Premium Gold Engine Coolant VC-7-A (yellow) while avoiding any mixing of coolant types. Position the water pump on the engine so its bolts can be loosely installed before performing full bolt torquing according to the specified sequence. Clear engine coolant serves to lubricate the O-ring before installation. You should place the water pump pulley onto the water pump first before loosely putting the bolts into place then tightening them according to the listed sequence. The procedure for the 4.2L engine requires connection of the upper radiator hose to the water pump followed by installation of the drive belt and finally the addition of engine cooling fan and fan shroud.

OEM 2003 Ford F-150 Water Pump

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5 Water Pumps found

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2003 Ford F-150 Water Pump Part Number: 5L3Z-8501-A
$86.30 MSRP: $142.00
You Save: $55.70 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump
- Replaces: 3L3Z-8501-DB
- Base No.: 8501
- Item Weight: 3.60 Pounds
- Item Dimensions: 7.9 x 8.4 x 12.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5L3Z-8501-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2003 Ford F-150 Submodels:
- Base, STX, XL, XLT | 6 Cyl 4.2 L GAS
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2003 Ford F-150 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
- Base No.: 8501
- Item Weight: 5.60 Pounds
- Item Dimensions: 6.6 x 5.6 x 5.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3L3Z-8501-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2003 Ford F-150 Submodels:
- Base, FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lightning, Platinum, STX, SVT Raptor, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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2003 Ford F-150 Water Pump Part Number: F8YZ-8501-AA
$320.84 MSRP: $532.73
You Save: $211.89 (40%)
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Product Specifications
- Other Name: Pump Assembly - Water; Engine Auxiliary Water Pump; Electric Water Pump; Engine Water Pump
- Base No.: 8501
- Item Weight: 3.00 Pounds
- Item Dimensions: 10.2 x 4.5 x 6.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: F8YZ-8501-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2003 Ford F-150 Submodels:
- Base, Harley-Davidson Edition, King Ranch, Lariat, Lightning, XL, XLT | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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2003 Ford F-150 Water Pump Part Number: XL3Z-8501-BA
Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump
- Manufacturer Note: Engine Water Pump, Lightning, BEFORE 11-10-00
- Base No.: 8501
- Item Weight: 8.90 Pounds
- Item Dimensions: 5.2 x 5.3 x 7.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: XL3Z-8501-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2003 Ford F-150 Submodels:
- Base, Harley-Davidson Edition, King Ranch, Lariat, Lightning, XL, XLT | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2003 Ford F-150 Water Pump Part Number: 1L3Z-8501-BA
Product Specifications
- Other Name: Pump Assembly - Water; Engine Water Pump
- Base No.: 8501
- Item Weight: 4.20 Pounds
- Item Dimensions: 5.2 x 5.3 x 7.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 1L3Z-8501-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2003 Ford F-150 Submodels:
- Harley-Davidson Edition, Lightning | 8 Cyl 5.4 L GAS

2003 Ford F-150 Water Pump

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2003 Ford F-150 Water Pump available at FordPartsDeal.com. You can confidently purchase our OEM 2003 Ford F-150 Water Pump as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2003 Ford F-150 Water Pump Parts Q&A

Q: How to service and repair the water pump on 2003 Ford F-150?
A: Start water pump servicing by taking out the cooling tank engine and fan shroud first then continue with removing the drive belt along with the water pump pulley. The water pump pulleys require bolt removal as the next step. You should disconnect the upper radiator hose from the water pump when working on the 4.2L engine. The next step involves both undoing the water pump bolts and extracting the water pump off the cylinder block for later cleaning and surface inspection of the mating areas. Before installing the new water pump users need to carefully select the appropriate coolant type between Motorcraft Premium Engine Coolant VC-4-A (green) or VC-5 (for Oregon residents only) or Motorcraft Premium Gold Engine Coolant VC-7-A (yellow) while avoiding any mixing of coolant types. Position the water pump on the engine so its bolts can be loosely installed before performing full bolt torquing according to the specified sequence. Clear engine coolant serves to lubricate the O-ring before installation. You should place the water pump pulley onto the water pump first before loosely putting the bolts into place then tightening them according to the listed sequence. The procedure for the 4.2L engine requires connection of the upper radiator hose to the water pump followed by installation of the drive belt and finally the addition of engine cooling fan and fan shroud.