O'Reilly Auto Parts in Simi Valley, California, is a reliable destination for automotive parts, tools, and accessories. Located at 1239 East Los Angeles Avenue in the Mountain Gate Plaza, this store offers various services, including free battery testing, wiper blade and bulb installation, and Check Engine light testing. Customers appreciate the knowledgeable and friendly staff, who are eager to assist with any project. Many reviews highlight the store's consistent ability to have the needed parts in stock, avoiding the uncertainty often faced at other places. The team has been praised for their professionalism and courtesy, with employees going above and beyond to help customers, such as changing batteries and replacing headlight bulbs. The O'Reilly Auto Parts store also features a free Loaner Tool program for those needing tools for one-time projects. With over 6,000 locations across the U.S., O'Reilly Auto Parts is a trusted choice for automotive needs.
I came to this location looking for a new car battery and I was treated superbly by Miguel. He was charismatic, knew exactly what to do, and helped changed my battery. He helped me so much and I appreciate his kindness. Would 100% come back and recommend this location.
March 2026
Got exactly what I needed and it was almost free thanks to a coupon!
December 2025
Came in needing to figure out what was wrong with my headlights. Gorge helped me assess the problem, pick the right headlights and helped with installation. He saved me so much time and money. Thank you. Great store with helpful staff.
