Genuine Ford 04-08 F-150 Expy SD 5.4L 3V Spark Plug PZK-14F-X - Ford (PZK-14F-X)
2004-2008 Ford - pzk14fx
Genuine Ford 04-08 F-150 Expy SD 5.4L 3V Spark Plug PZK-14F-X - Ford (PZK-14F-X)
2004-2008 Ford - pzk14fx
- MSRP: $22.36
- Discount: $7.11 (31.8% off)
- Sale Price: $15.25
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Details
- Brand:
- SKU:
PZK-14F-X
- Other Names:
sp546x
- Description:
This is a genuine Motorcraft spark plug (catalog SP-546X) for 2004 to 2008 Ford trucks and SUVs powered by the 5.4L three-valve modular V8, including the F-150, Expedition, and Super Duty applications that use the black ignition coil boots. The three-valve modular engines are sensitive to plug specification, and using the exact OEM plug preserves the correct heat range, reach, and electrode design the engine was calibrated for. Drivers commonly replace these plugs when experiencing misfires, rough idle, hesitation under load, reduced fuel economy, or a flashing or steady check-engine light pointing to ignition faults. These engines are well known for plugs seizing or breaking in the cylinder head over high mileage, so technicians typically follow the recommended soak-and-extraction procedure and apply anti-seize sparingly per the service manual. This listing is for a single plug; a complete tune-up requires one per cylinder. Always confirm the engine variant and coil-boot color, since the four-valve and earlier two-valve engines use different plugs.
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