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Copper Core Resistor Spark Plug
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Copper Core Resistor Spark Plug by Autolite (part#5143) / Spark Plugs

Part No. 5143 Warranty  
$2.09
Quantity  Add Copper Core Resistor Spark Plug To Cart

See if this part fits a specific vehicle.

Check Vehicle Fit

Brand: Autolite
Advance Auto Parts Part#: 5393175
Suitable vehicles: Click to find if this product can be used with your vehicle:
  • Ford
    • Explorer Eddie Bauer
      • 2007
        • 2007 Ford Explorer Eddie Bauer (4.0L 245CI V6 FI VIN: E)
    • Explorer XLT
      • 2007
        • 2007 Ford Explorer XLT (4.0L 245CI V6 FI VIN: E)
    • Mustang
      • 2008
        • 2008 Ford Mustang (4.0L 245CI V6 FI VIN: N)
      • 2007
        • 2007 Ford Mustang (4.0L 245CI V6 FI VIN: N)
      • 2006
        • 2006 Ford Mustang (4.0L 245CI V6 FI VIN: N)
      • 2005
        • 2005 Ford Mustang (4.0L 245CI V6 FI )
    • Ranger FX4
      • 2005
        • 2005 Ford Ranger FX4 (4.0L 245CI V6 FI VIN: E)
    • Ranger XLT
      • 2005
        • 2005 Ford Ranger XLT (4.0L 245CI V6 FI VIN: E)


Designed to help deliver quick starts, good fuel economy and smooth acceleration.

Product Features:
  • Copper core electrode and nickel chromium alloy side electrode offer enhanced heat dissipation and durability
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Copper-glass seal bonds insulator, terminal post center electrode together; helps ensure full required voltage at spark gap; gas-tight seal
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Electrode Tip Material:Resistor
Manufacturer Heat Range:D14
Resistor:Suppressor
Spark Plug Reach:.708 in
Spark Plug Seat Type:Tapered
Spark Plug Thread Size:14 mm
Tip Configuration:Power
Wrench Diameter:5/8

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