This ACDelco Professional spark plug is a high-quality replacement part for your vehicle's ignition system. With a manufacturer part number of 41-940, it is designed to fit perfectly and provide reliable performance. Measuring 4.1 inches in length, it is easy to install and has a long-lasting lifespan.Whether you're replacing a worn-out spark plug or upgrading your vehicle's ignition system, this ACDelco Professional spark plug is a great choice. It is compatible with a variety of car and truck models and is perfect for those who want to maintain their vehicle's performance. Buy now and experience the difference it can make!