Description
8x Genuine Ford Motorcraft SP548X Platinum Spark Plugs – CYFS-12F-1X
Restore reliable factory ignition performance with a set of 8 Genuine Ford Motorcraft SP548X Platinum Spark Plugs.
The SP548X is the latest/current version of the popular SP548 plug and is manufactured to Ford OE specifications for correct fitment, performance and durability.
Product Details
- Brand: Genuine Ford Motorcraft
- Product: Platinum Spark Plug Set
- Motorcraft Part Number: SP548X
- Ford Part Number: CYFS-12F-1X / CYFS12F1X
- Electrode Type: Platinum
- Condition: Brand New Genuine OEM
- Quantity: 8 Spark Plugs
Supersedes / Replaces
The current SP548X / CYFS-12F-1X supersedes:
- SP548
- SP519
- CYFS12F1
- CYFS-12F-1
- CYFS12Y
- CYFS-12Y
Vehicle Applications
Commonly used in selected Ford applications including:
- Ford Mustang 5.0L V8 – 2011–2017
- Ford F-150 5.0L V8 – selected 2011–2016 models
- Selected Ford 5.2L naturally aspirated V8 applications
Why Choose Genuine Motorcraft?
Motorcraft spark plugs are engineered to Ford specifications and are designed to provide:
- Reliable cold and hot starting
- Consistent ignition performance
- Smooth idle and engine operation
- Correct OE heat range and fitment
- Long service life
- Factory-style performance and reliability
Important Fitment Information
Vehicle application information is provided as a guide only.
Spark plug requirements can vary depending on engine specification, build date, calibration and vehicle modifications.
Please confirm SP548X / CYFS-12F-1X is correct for your vehicle before ordering.
For modified, supercharged or tuned vehicles, spark plug type and gap requirements may differ from the factory specification.
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