Replace Best Volkswagen Combustion Plugs. Find Volkswagen Spark Plugs & Volkswagen Ignition Plug Wires. Purchase Volkswagen Ignition Plug. Maintaining optimal performance in your Volkswagen starts with the heart of the combustion engine ? the spark plugs. To extend their lifespan, ensure regular checks for signs of wear, such as difficulty starting, engine misfires, or poor fuel economy. When choosing replacements, consider the three main types available: copper, iridium, and platinum, each offering unique benefits like durability and improved conductivity. Always opt for high-quality materials to avoid frequent changes and rely on precise installation to boost efficiency. A well-chosen spark plug ensures smooth engine operation and can significantly enhance your Volkswagen's driving experience, making it a smart investment for any discerning owner looking for peak vehicle performance.