How to replace spark plugs in Ford Expedition?

Vehicles with 4.2L engines have side spark plugs, while 4.6L and 5.4L engines have top plugs. For replacement, you'll need a spark plug socket, extensions, gap gauge, and possibly a special wire removal tool. Use a torque wrench. Buy new plugs in advance, adjust gaps, and replace one at a time. Let engine cool, check new plugs for defects, adjust gaps. Remove wire, blow away dirt, remove plug counterclockwise. Compare old plug to chart. Apply anti-seize compound, tighten new plug. Inspect wire before attaching to new plug. Repeat for remaining plugs, replace one at a time.

Genuine Ford Expedition Spark Plug

Ignition Spark Plug

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10 Spark Plugs found

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Ford Expedition Spark Plug
Part Number: AGSF-22F-M1
$13.73
ADD TO CART
Product Specifications
- Replaced by: AGSF-22F-M1X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002 Ford Expedition | 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W
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Ford Expedition Spark Plug
Part Number: AGSF-22W-M
$13.73
ADD TO CART
Product Specifications
- Manufacturer Note: Service plug may differ from original
- Replaced by: AGSF-22W-MX
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Ford Expedition | 8 Cyl 5.4L Modular SOHC | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Expedition Spark Plug
Part Number: HJFS-24FP
$10.08 MSRP: $16.07
You Save: $5.99 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: HJFS-24FP-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2014 Ford Expedition | 8 Cyl 5.4L | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Expedition Spark Plug
Part Number: CYFS-12-YT3
$11.30 MSRP: $18.02
You Save: $6.72 (38%)
ADD TO CART
Product Specifications
- Replaced by: CYFS-12-YT4X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2017 Ford Expedition | 6 Cyl 3.5L GTDI | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Expedition Spark Plug
Part Number: CYFS-12Y-PCT
$10.88 MSRP: $17.35
You Save: $6.47 (38%)
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Product Specifications
- Replaced by: CYFS-12Y-PCTX
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2019 Ford Expedition | 6 Cyl 3.5L GTDI | 10-Speed Automatic Transmission (10R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Expedition Spark Plug
Part Number: AGSF-32P-M
$5.95 MSRP: $9.49
You Save: $3.54 (38%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Replaced by: AGSF-32P-MX
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Ford Expedition | 8 Cyl 4.6L Romeo SOHC EFI | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Expedition Spark Plug
Part Number: PZT-14F
$14.93 MSRP: $23.82
You Save: $8.89 (38%)
ADD TO CART
Product Specifications
- Replaced by: PZK-14F-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008 Ford Expedition | 8 Cyl 5.4L | 4AT 4R75W, 4-Speed Automatic Transmission 4R70W (AODE), 4-Speed Automatic Transmission 4R75E Livonia, 4-Speed Automatic Transmission AODEW/4R75E W/TSS, 6-Speed Automatic Transmission (6R75), 6-Speed Automatic Transmission (6R80), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Expedition Spark Plug
Part Number: AGSF-22W-
$5.44 MSRP: $8.67
You Save: $3.23 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: AGSF-22W-MX
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002 Ford Expedition | 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W
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Ford Expedition SPARK PLUG
Part Number: CYFS-12Y-RT3
$9.02 MSRP: $16.24
You Save: $7.22 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: CYFS-12Y-PT, CYFS-92-YPT, CYFS-092-YPT
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2021 Ford Expedition | 6 Cyl 3.5 L GAS
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Ford Expedition SPARK PLUG
Part Number: DYFS-12Y-PT
$12.77 MSRP: $20.36
You Save: $7.59 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Ford Expedition | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS

Ford Expedition Spark Plug

Spark Plug of Ford Expedition vehicles helps in the process of combustion after which a spark ignites the air /fuel mixture in the vehicle's engine. This component is a core unit having an electrode, metal terminal and a ceramic insulator enclosed by a steel casing. By the ignition system and the required characteristics of the spark plug, Copper Core, Platinum, Iridium, and Double Platinum are used. Spark Plug heat range, thread size, and reach are made to meet some of applications to give the premier performance and long life. Spark Plugs should undergone regular maintenance and replacement in order to avoid misfires, rough idling and poor fuel economy in the Ford Expedition vehicles.

We provide a wide range of Ford Expedition Spark Plug at the best prices possible. If you need Ford Expedition Spark Plug, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Ford Expedition Spark Plug Parts Questions & Experts Answers

Spark Plug
AGSF-22W-
Q: How to replace spark plugs in Ford Expedition?
A: Vehicles with 4.2L engines have side spark plugs, while 4.6L and 5.4L engines have top plugs. For replacement, you'll need a spark plug socket, extensions, gap gauge, and possibly a special wire removal tool. Use a torque wrench. Buy new plugs in advance, adjust gaps, and replace one at a time. Let engine cool, check new plugs for defects, adjust gaps. Remove wire, blow away dirt, remove plug counterclockwise. Compare old plug to chart. Apply anti-seize compound, tighten new plug. Inspect wire before attaching to new plug. Repeat for remaining plugs, replace one at a time.