Parts Authority in El Cajon, California, is a trusted auto parts store known for its extensive selection of over 3 million parts suitable for nearly every vehicle. The friendly and professional staff, including knowledgeable experts, provide excellent customer service and help customers find the right parts for their needs. Customers praise the store for its great prices, helpful assistance, and reliable service, making it a go-to place for auto parts in San Diego for over ten years. Whether visiting for a quick project or specialized parts for a motorhome, customers experience a welcoming environment where the answer is always yes to their needs. Located at 1150 N. Marshall Ave., this Parts Authority branch is committed to making auto parts shopping easy and trustworthy.
Called them looking for a specific brake pad. While they didn't have it, they did find another store that did and gave me their info. Because of this service I highly recommend and will use again.
May 2026
Best auto parts store, great prices, friendly staff and awesome service.
November 2025
I am a client of Mark Barnes and I love the way this place relays information and is on top of deliveries and always come in clutch when you need something. Highly recommended for your business.
