2. Customers love A & A Discount Auto Parts for their wide range of OEM replacement parts, including specialized lines for performance and customized parts for various vehicles. The company offers convenience with the largest inventory in Hamilton, quick service, great pricing, and helpful staff. Whether you need parts for a brake job or other automotive needs, A & A Discount Auto Parts has you covered. 6. - A & A Discount Auto Parts has been providing uncompromising service for over two decades - They offer a wide range of OEM replacement parts, both domestic and imported - Specialized lines for performance parts and customized parts are available for SUVs, cars, and off-roaders - The company has a purchasing group and state-of-the-art supply chains 8. A & A Discount Auto Parts specializes in providing customers with access to the largest inventory in Hamilton, offering a wide range of OEM replacement parts for various vehicles, both domestic and imported. Additionally, they have specialized lines for performance and customized parts, ensuring customers can find exactly what they need for their automotive projects.