ACDelco Professional 41-631 (19310638) Conventional Spark Plug

ACDelco Professional 41-631 (19310638) Conventional Spark Plug

• Black Onyx coating helps reduce corrosion
• Copper core provides great heat transfer and helps maximize plug durability
• Ribbed suppressor seal extends resistance and helps prevent spark "flash over" and misfires
• Nickel-chrome alloy sheathing helps prevent corrosion on center electrode.
• Available for use in Marine applications

ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are the high quality replacement ideal for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.