2005-2008 Mustang 4.6 3V Motorcraft Spark Plug Kit - Platinum | SP-547 by Motorcraft

2005-2008 Mustang 4.6 3V Motorcraft Spark Plug Kit - Platinum | SP-547

Replace your spark plugs on your 2005-2008 Mustang with the factory original Motorcraft SP547 spark plugs!

Item #SP514K
MPN# SP-547

Everyday Low Price: $131.58

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  • Ford Mustang - 2005, 2006, 2007, 2008
  • Engines: 4.6 3V
  • Fits 2005-2008 Mustang GT 4.6L 3V w/ black ignition coil boots
  • Be sure to VERIFY what color coil boot and spark plugs will be correct for your application.
  • 2005-2008 4.6L year models built before 10/09/2007 will require black ignition coil boots with a 16mm spark plug.
  • 2008-2010 4.6L year models built on or after 10/09/2007 will require brown ignition coil boots using a 12mm spark plug.


  • OE Replacement
  • Restores Engine Performance


  • Copper Core
  • Platinum Tip

 What's in the Box

  • (8) Spark Plugs

2005-2008 Mustang Motorcraft SP-547 Spark Plugs - Platinum

The factory Motorcraft spark plugs are designed to last a very long time, but eventually, they can start to get worn. Worn spark plugs can cause misfires, detonations, and poor gas mileage. Replace those old plugs with new Motorcraft replacements. These plugs will get your engine running back to tip-top shape! Motorcraft copper core spark plugs are designed to superbly conduct electricity and be durable enough to withstand everyday use!

Product Note

  • Motorcraft SP-514 or SP514 has been superseded by Motorcraft SP-547.

Spark Plug Specs

  • Recommended Use: OEM replacement
  • Manufacturer Heat Range: Stock
  • Plug Thread: 16MM
  • Wrench Size: 9/16in
  • Electrode Tip Material: Platinum
  • Electrode Type: Projected

Ford Motorcraft Warranty - Click Here

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About This Brand

Ford Motor Company Genuine Parts, Motorcraft® Parts and Ford and Motorcraft Remanufactured Parts are all excellent choices when it comes to performance, longevity and value for your Mustang or SVT Lightning. And they’re all backed by a Ford Motor Company limited parts warranty*, so you know their parts you use are going to perform like they should. Put the same parts on your Lighting & Mustang that came from the factory! Shop for Motorcraft oil, oil filters, friction modifier, spark plugs, and many other replacement maintenance items!
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