How to service and repair a spark plug on 2003 Ford F-250 Super Duty?

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 F-250 Super Duty Spark Plug

Ignition Spark Plug

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3 Spark Plugs found

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2003 Ford F-250 Super Duty 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 F-250 Super Duty Submodels:
- Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.0 L DIESEL
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2003 Ford F-250 Super Duty 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 F-250 Super Duty Submodels:
- Lariat, XL, XLT | 8 Cyl 7.3 L DIESEL
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2003 Ford F-250 Super Duty 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 F-250 Super Duty Submodels:
- Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS

2003 Ford F-250 Super Duty Spark Plug

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2003 Ford F-250 Super Duty Spark Plug available at FordPartsDeal.com. You can confidently purchase our OEM 2003 Ford F-250 Super Duty Spark Plug 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-250 Super Duty Spark Plug Parts Q&A

Q: How to service and repair a spark plug on 2003 Ford F-250 Super Duty?
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.