ACDelco 41-629 Professional Conventional Spark Plug (Pack of 4)

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. ACDelco’s Professional Spark Plugs meet a wide range of vehicle applications and budgets, making them the perfect choice when it is time to replace your plugs. Choose from our Double Platinum, RAPIDFIRE single platinum, Conventional, Marine, and Outdoor Power Equipment lines depending on your performance needs. Diesel vehicle owners can also get the ACDelco advantage with our high-quality Glow Plugs. We’ve got a spark plug for almost any vehicle on the road today. Whatever the vehicle, whatever the application, you can bet that there is an ACDelco Spark Plug to do the job – and do it well. Whether you are choosing Professional or Specialty spark plugs, from our Iridium, Double Platinum, RAPIDFIRE single platinum, Conventional, Glow Plug, Marine, or Outdoor Power Equipment lines, you will know that you are getting a century’s worth of experience and know-how packed into that plug. Advanced features and competitive warranty coverage adds up to the ACDelco advantage – put it to work for you.

• Black Onyx Coating helps prevent corrosion
• Nickel-chrome alloy sheathing to help prevent corrosion on center electrode
• 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