This ACDelco spark plug, model LM49, is a high-quality replacement part for your vehicle's ignition system. Made in Mexico, this spark plug is designed to fit a variety of vehicles and is a great choice for those looking to upgrade their current spark plug. With interchange part numbers 5613283, RJ19LM, 458, J19LM, and B2LM, this spark plug is sure to meet your needs. The brand ACDelco is known for their reliable and durable automotive parts, and this spark plug is no exception. Whether you're replacing a worn-out spark plug or upgrading to a more efficient and effective spark plug, this ACDelco spark plug is a great choice. So why wait? Order now and get your vehicle running smoothly again!