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Copper Core Resistor Spark Plug
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Copper Core Resistor Spark Plug by Autolite (part#2546) / Spark Plugs

Part No. 2546 Warranty Details  
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Brand: Autolite
Advance Auto Parts Part#: 5392144

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:D15
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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