How to replace spark plugs in Lincoln Navigator?

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 Lincoln Navigator Spark Plug

Ignition Spark Plug

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7 Spark Plugs found

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Lincoln Navigator Spark Plug
Part Number: HJFS-24FP
$10.08 MSRP: $16.07
You Save: $5.99 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Replaced by: HJFS-24FP-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2014 Lincoln Navigator | 8 Cyl 5.4L | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator Spark Plug
Part Number: CYFS-12-YT3
$11.30 MSRP: $18.02
You Save: $6.72 (38%)
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Product Specifications
- Replaced by: CYFS-12-YT4X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2017 Lincoln Navigator | 6 Cyl 3.5L GTDI | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator 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 Lincoln Navigator | 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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Lincoln Navigator Spark Plug
Part Number: AGSF-32P-M
$5.95 MSRP: $9.49
You Save: $3.54 (38%)
Ships in 1 Business Day
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Product Specifications
- Replaced by: AGSF-32P-MX
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Lincoln Navigator | 8 Cyl 5.4L DOHC EFI | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator Spark Plug
Part Number: PZT-14F
$14.93 MSRP: $23.82
You Save: $8.89 (38%)
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Product Specifications
- Replaced by: PZK-14F-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008 Lincoln Navigator | 8 Cyl 5.4L | 4-Speed Automatic Transmission E4OD(4R100), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission ZF 6HP26 Steptronic, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Lincoln Navigator SPARK PLUG
Part Number: CYFS-12Y-RT3
$9.02 MSRP: $16.24
You Save: $7.22 (45%)
Ships in 1-3 Business Days
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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 Lincoln Navigator | 6 Cyl 3.5 L GAS
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Lincoln Navigator 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 Lincoln Navigator | 6 Cyl 3.5 L GAS

Lincoln Navigator Spark Plug

Spark Plug is located in the Lincoln Navigator vehicle's interior and it affects the part of the combustion process, in which the creation of a spark is required that will ignite the air/fuel mixture. It is a solid component, which contains a central electrode, metal terminal and ceramic insulator placed inside steel cover. Copper core, platinum, and iridium Spark Plugs exist, and their features are high durability and good performance of double platinum. Spark Plug receives high voltage from the ignition coil that is needed to create spark for the start of the combustion process. In Spark Plug, the diameter and the pitch of the thread and the heat range are unique dimensions that are specials to cater with the engine's configuration. Maintenance of the Spark Plugs is important in avoiding misfires, rough idling and poor fuel consumption within Lincoln Navigator brand of vehicles.

We provide a wide range of Lincoln Navigator Spark Plug at the best prices possible. If you need Lincoln Navigator 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.

Lincoln Navigator Spark Plug Parts Questions & Experts Answers

Spark Plug
AGSF-32P-M
Q: How to replace spark plugs in Lincoln Navigator?
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.