Original Equipment Copper Core Spark Plug
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Motorcraft Original Equipment Copper Core Spark Plug

Part No. SP-406 Warranty Details  
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Motorcraft Original Equipment spark plugs are designed, engineered and recommended by Ford Motor Company.

Product Features:
  • Same part installed when the engine rolled off the assembly line
  • Designed to deliver quick starts, enhanced fuel economy and smooth acceleration
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Electrode Core Material:Copper Core
Electrode Tip Material:Inconel
Ground Strap Quantity:1
Insulator Type:Standard
Manufacturer Heat Range:4
Reach:0.75 in
Seat Type:Gasket
Shorty Spark Plug:No
Thread Diameter:14 mm
Tip Configuration:Copper Core
Type:Spark Plug
Wrench Diameter:5/8 in

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1 Question | 1 Answer
Displaying question 1
  • Q:

    what size engine does this product fit?
    Asked on 5/22/2013 by christopher from United States

    1 answer



      This Motorcraft Original Equipment Copper Core Spark Plug - Part No. SP406 is an exact fit for the following vehicles : 1990 Buick LeSabre All Engines, 1987-1990 Cadillac Brougham All Engines, 1990 Chevrolet Caprice All Engines, 1981 Ford Escort All Engines, 1991-1996 Ford Escort All Engines, 1982 Ford EXP All Engines, 1993-1997 Ford Probe All Engines, 2009-2011 Hyundai Accent All Engines, 2009 Kia Optima All Engines, 2009-2011 Kia Rio All Engines, 2009-2011 Kia Rio5 All Engines, 1991-1994 Mercury Capri All Engines, 1982 Mercury LN7 All Engines, 1981 Mercury Lynx All Engines, 1991-1996 ercury Tracer All Engines, 1993-1998 Mercury Villager All Engines, 1990 Oldsmobile Custom Cruiser All Engines. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

      Answered on 5/22/2013 by Morgan from AAP
Displaying question 1

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