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

Part No. SP-409 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

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
  • 30,000-mile service interval
  • Copper core electrode and nickel chromium alloy side electrode for excellent heat dissipation and durability.
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Copper-glass seal bonds insulator and terminal post center electrode together to ensure full required voltage at spark gap and a gas-tight seal
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Electrode Core Material:Copper Core
Electrode Tip Material:Inconel
Ground Strap Quantity:1
Insulator Type:Standard
Manufacturer Heat Range:5
Reach:.708 in
Resistor:Yes
Seat Type:Tapered
Thread Diameter:14 mm
Tip Configuration:Copper Core
Type:Copper Core Spark Plug
Wrench Diameter:5/8 in

REVIEW SNAPSHOT®

by PowerReviews
MotorcraftOriginal Equipment Copper Core Spark Plug
 
5.0

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (4)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to install (3)
  • Improves engine efficiency (3)

Cons

No Cons

Best Uses

  • Everyday driving (3)

Reviewed by 4 customers

Displaying reviews 1-4

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5.0

OEM replacements

By 

from Chicago

Verified Buyer

Comments about Motorcraft Original Equipment Copper Core Spark Plug:

Maintenance is priceless.

  • Was this a gift?:
  • No
 
5.0

Performed great on my restoration of my grandsons Mustang.

By 

from Parkers Lake, Ky.

About Me Auto Enthusiast, Mechanic

See all my reviews

Verified Buyer

Pros

  • Easy To Install
  • Ford Tough
  • Improves Engine Efficiency
  • Increases Power

Cons

    Best Uses

    • Everyday Driving
    • Restoration

    Comments about Motorcraft Original Equipment Copper Core Spark Plug:

    One of many parts in restoring a Mustang for my grandson. The plugs performed great.

     
    5.0

    Good value plugs

    By 

    from Tampa, FL

    About Me Casual Driver

    See all my reviews

    Verified Buyer

    Pros

    • Easy To Install
    • Improves Engine Efficiency
    • Increases Power

    Cons

      Best Uses

      • Everyday Driving

      Comments about Motorcraft Original Equipment Copper Core Spark Plug:

      My car is running like new!! These plugs are great!!!

       
      5.0

      Motorcraft Original Equipment

      By 

      from PA

      About Me Mechanic

      See all my reviews

      Verified Buyer
      3 or more reviews submitted

      Pros

      • Durable
      • Easy To Install
      • Improves Engine Efficiency

      Cons

        Best Uses

        • Everyday Driving
        • Replacement
        • Restoration

        Comments about Motorcraft Original Equipment Copper Core Spark Plug:

        OE plugs. Same part installed when the engine rolled off the assembly line.

        Displaying reviews 1-4

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