How to service and repair a spark plug on Ford F-350 Super Duty?

The first step for servicing the spark plug involves marking each position so the original locations can be restored. Commence repair by detaching the ignition coil which takes precedence over the spark plug extraction. An inspection of spark plugs requires a proper adjustment of spark plug gaps. Installation occurs through the reverse procedures of removal while cleaning spark plug wells from any materials using compressed air.

OEM Ford F-350 Super Duty Spark Plug

Ignition Spark Plug

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8 Spark Plugs found

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Ford F-350 Super Duty Spark Plug Part Number: PZK-1F
$10.25 MSRP: $20.73
You Save: $10.48 (51%)
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Product Specifications
- Replaced by: PZK-1F-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Ford F-350 Super Duty | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS
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Ford F-350 Super Duty Spark Plug Part Number: CYFS-12Y-T6
$5.12 MSRP: $7.93
You Save: $2.81 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CYFS-12Y-T5, CYFS-12F-5X, SP-586, BR3Z-12405-A, CYFS-O92-FT, CYFS-12F-5, SP-520, SP-520-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2024 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.8 L GAS, 8 Cyl 7.3 L GAS
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Ford F-350 Super Duty Spark Plug Part Number: HJFS-24FP-X
$9.73 MSRP: $15.05
You Save: $5.32 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP-509, HJFS-24FP
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2010 Ford F-350 Super Duty | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS
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Ford F-350 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
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Product Specifications
- Other Name: Glow Plug; Diesel Glow Plug
- Replaces: ZD-11, F4TZ-12A342-A, F4TZ-12A342-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2003 Ford F-350 Super Duty | King Ranch, Lariat, XL, XLT | 8 Cyl 7.3 L DIESEL
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Ford F-350 Super Duty Spark Plug Part Number: 4C3Z-12A342-A
$19.27 MSRP: $29.82
You Save: $10.55 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Glow Plug; Diesel Glow Plug
- Replaces: 4C3Z-12A342-AA, 4C3Z-12A342-A2, ZD-13-A2, ZD-13
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2007 Ford F-350 Super Duty | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.0 L DIESEL
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Ford F-350 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Ford F-350 Super Duty | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.0 L DIESEL
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Ford F-350 Super Duty Spark Plug Part Number: CYFS-12-FPX
$8.74 MSRP: $13.53
You Save: $4.79 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP-513, CYFS-092FP, CYFS-12-FP, SP-526
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2022 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
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Ford F-350 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-
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2007 Ford F-350 Super Duty | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS

Ford F-350 Super Duty Spark Plug

OEM Spark Plug boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Spark Plug with long life and a perfect fit. Come to our website and find genuine Ford F-350 Super Duty parts. We keep a wide inventory of OEM F-350 Super Duty parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

The Ford F-350 Super Duty Spark Plug is a very important part that drastically improves the dependability and power of the Ford company's famous trucks. Housed in the metallic engine component known as the Combustion chamber, the Spark Plug is meant for sparking the Air/Fuel mixture within the Ford F-350 Super Duty engine to provide efficient power and optimal fuel efficiency. As for Spark Plugs there are standard copper/nickel, platinum, double platinum and iridium but depending on the series of F-350 Super Duty ignition requirements differ. Among them, the iridium Spark Plug is probably the optimal, as it has an outstanding durability and life span, which definitely attracts many Ford fan. Using the Spark Plug in different generations of the Ford F-350 Super Duty, from the model year 1999 to the modern ones, it is possible to state that this part is significant for cars' correct functioning. In addition, some huge safety measures are also related to the Spark Plug because proper working of the electrical ignition system always helps in giving smooth and safe functioning along with relatively normal emissions. The Ford F-350 Super Duty has the following safety features on the body; the Antilock Braking System that is combined with the Stability Control that assists the Spark Plug in providing secure motoring. In conclusion, the Ford F-350 Super Duty Spark Plug is more than a mere fixture in the vehicle, it is actually one of the key elements that directly determines the car's performance; efficiency and safety on the road making it one of the most sought commodities out in the market.

Ford F-350 Super Duty Spark Plug Parts and Q&A

Spark Plug
MC3Z-12A342-F
Q: How to service and repair a spark plug on Ford F-350 Super Duty?
A:
The first step for servicing the spark plug involves marking each position so the original locations can be restored. Commence repair by detaching the Ignition Coil which takes precedence over the spark plug extraction. An inspection of spark plugs requires a proper adjustment of spark plug gaps. Installation occurs through the reverse procedures of removal while cleaning spark plug wells from any materials using compressed air.