1982-1995 Mustang 5.0 Motorcraft Factory Replacement Spark Plug Kit - Copper | ASF42C by Motorcraft

1982-1995 Mustang 5.0 Motorcraft Factory Replacement Spark Plug Kit - Copper | ASF42C

Have some fouled-out spark plugs in your 1982-1995 Ford Mustang 5.0L? We have you covered with these direct Motorcraft replacements!

Item #ASF42CK

Everyday Low Price: $35.60

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  • Fits Factory Cylinder Heads
  • Maintains Engine Performance
  • Replaces Fouled Or Damaged Stock Spark Plugs


  • Motorcraft Quality
  • 14mm Thread Size
  • Copper Replacement Plug

 What's in the Box

  • (8) ASF42C Spark Plugs

1982-1995 Mustang 5.0 Motorcraft Spark Plug Kit - Copper

Restore the performance of your 5.0 engine with this Motorcraft spark plug kit! This kit includes eight new Motorcraft ASF42C spark plugs to ensure your ignition is firing properly. Over time your factory spark plugs will corrode, causing misfires. These plugs feature a copper core material with a nickel alloy tip. The 14mm thread size is a direct fit into factory cylinder heads. Replace the fouled plugs in your 1982-1995 Mustang with this set of Motorcraft spark plugs! 

Spark Plug Specs

  • Recommended Use: OEM replacement
  • Manufacturer Heat Range: Stock
  • Plug Thread: 14MM
  • Wrench Size: 5/8in
  • Electrode Tip Material: Copper
  • Electrode Type: Projected

Ford Motorcraft Warranty - Click Here

  • Ford Mustang - 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
  • Engines: 5.0


  • Fits 1982-1985 Mustang 5.0 w/ Carburetor (w/factory cylinder heads)
  • Fits 1987-1995 Mustang 5.0 w/ EFI GT/LX (w/factory cylinder heads)

Fitment Notes:

  • Will NOT fit 1986 Mustang 5.0.
  • Will NOT fit 1993-1995 5.0 Mustang Cobra.
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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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