How to service the spark plugs on 2004 Ford F-150 Heritage?

Cleaning spark plugs, you must start by taking off the coil on plugs. Spray any debris out of the spark plug wells using compressed air and then carefully remove the spark plugs. Check them on any problems and re-adjust the gap. Uninstalling To uninstall, undo the uninstall procedure.

OEM 2004 Ford F-150 Heritage Spark Plug

Ignition Spark Plug

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3 Spark Plugs found

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2004 Ford F-150 Heritage Spark Plug Part Number: AGSF-12F-MX
$5.14 MSRP: $8.35
You Save: $3.21 (39%)
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Product Specifications
- Replaces: AGSF-12F-M, AGSF-12F-M1X, AGSF-12E-, SP-495, AGSF-12F-M1, AGSF-12F-M1F4
- Condition: New
- Fitment Type: Direct Replacement
- SKU: AGSF-12F-MX
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT 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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2004 Ford F-150 Heritage Spark Plug Part Number: AGSF-34F-MX
$5.30 MSRP: $8.20
You Save: $2.90 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-34F-M, SP-504
- Condition: New
- Fitment Type: Direct Replacement
- SKU: AGSF-34F-MX
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2004 Ford F-150 Heritage Submodels:
- XL, XLT | 6 Cyl 4.2 L GAS
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2004 Ford F-150 Heritage Spark Plug Part Number: AGSF-22W-MX
$5.33 MSRP: $8.25
You Save: $2.92 (36%)
Product Specifications
- Replaces: AGSF-22W-M, SP-479, AGSF-22W-
- Condition: New
- Fitment Type: Direct Replacement
- SKU: AGSF-22W-MX
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS

2004 Ford F-150 Heritage Spark Plug

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2004 Ford F-150 Heritage Spark Plug Parts Q&A

Q: How to service the spark plugs on 2004 Ford F-150 Heritage?
A: Cleaning spark plugs, you must start by taking off the coil on plugs. Spray any debris out of the spark plug wells using compressed air and then carefully remove the spark plugs. Check them on any problems and re-adjust the gap. Uninstalling To uninstall, undo the uninstall procedure.