How to service and repair a spark plug on 2003 Ford Excursion?

Removing the spark plug, air cleaner outlet tube and ignition coil first, then removing the spark plug is necessary to service and repair the spark plug. Blow out any foreign matter in the spark plug wells. Once removed examine spark plugs and adjust the gap. To install, invert the de-installation process.

OEM 2003 Ford Excursion Spark Plug

Ignition Spark Plug

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3 Spark Plugs found

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2003 Ford Excursion Spark Plug Part Number: 3C3Z-12A342-A
$10.79 MSRP: $16.70
You Save: $5.91 (36%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Glow Plug; Diesel Glow Plug
- Replaces: ZD-12, 3C3Z-12A342-AA2, 3C3Z-12A342-AA, ZD-12-2
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3C3Z-12A342-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2003 Ford Excursion Submodels:
- Eddie Bauer, Limited, XLS, XLT | 8 Cyl 6.0 L DIESEL
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2003 Ford Excursion Spark Plug Part Number: MC3Z-12A342-F
$15.34 MSRP: $24.36
You Save: $9.02 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Glow Plug; Diesel Glow Plug
- Replaces: ZD-11, F4TZ-12A342-A, F4TZ-12A342-BA
- Condition: New
- Fitment Type: Direct Replacement
- SKU: MC3Z-12A342-F
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2003 Ford Excursion Submodels:
- Eddie Bauer, Limited, XLT | 8 Cyl 7.3 L DIESEL
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2003 Ford Excursion 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 2003 Ford Excursion Submodels:
- Eddie Bauer, Limited, XLS, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS

2003 Ford Excursion Spark Plug

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2003 Ford Excursion Spark Plug Parts Q&A

Q: How to service and repair a spark plug on 2003 Ford Excursion?
A: Removing the spark plug, air cleaner outlet tube and ignition coil first, then removing the spark plug is necessary to service and repair the spark plug. Blow out any foreign matter in the spark plug wells. Once removed examine spark plugs and adjust the gap. To install, invert the de-installation process.