Conventional Spark Plug
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ACDelco Conventional Spark Plug

Part No. R46SZ Warranty Details  
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With coverage for the majority of older vehicles on the road today, ACDelco Professional Conventional Spark Plugs are premium aftermarket replacement plugs designed for reliability and efficient performance. The high-quality copper core and outstanding suppression characteristics deliver reliable performance. ACDelco Professional Conventional Spark Plugs are also available for Marine applications. These premium aftermarket replacement conventional spark plugs are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Black Onyx Coating helps prevent corrosion
  • Copper Core, the thermal properties of copper provide great heat transfer and increases plug durability
  • Ribbed Suppressor Seal, which extends resistance and prevents spark 'flash over' and misfire
  • Nickel-chrome alloy sheathing to help prevent corrosion on center electrode
  • Available for use in Marine applications
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Manufacturer Heat Range:7
Thread Diameter:14 mm
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