Parts Authority

Your Rockville, Maryland Parts Authority branch #23 is located at 485 South Stonestreet Ave. Rockville, MD 20850. With 3 Million parts for virtually every vehicle on the road, our Maryland stores' carry the right automotive replacement parts, tools/equipment, and transmission products suitable for your vehicle or project. Are you looking for or have questions about automotive parts? Your local Parts Authority Maryland team of highly trained auto parts experts have years of experience and are ready to help you find the right parts for your vehicle. With over 200 locations nationwide we are making it easier to find Parts Authority locations near you! Stop by for your auto parts needs and experience the difference of “The Answer Is Yes!”