O'Reilly Auto Parts Store #3540 in Fullerton, California, offers a wide range of auto parts, tools, and accessories, along with helpful store services. Located at 904 West Orangethorpe Avenue, the store is known for its friendly and knowledgeable staff who go above and beyond to assist customers. Customers appreciate the staff's willingness to help with free services such as battery testing, check engine light scans, and wiper blade or bulb installations. The store also resurfaces brake rotors and drums, providing additional repair options. Customers have shared positive experiences, highlighting staff members who are kind, straight to the point, and eager to help—whether it’s replacing headlights, assisting with license plate lights, or jump-starting a dead car battery. One customer noted that a cashier promptly examined their battery, advised them to visit an auto shop for complicated installations, and happily helped jump-start their car when the battery died again. Others expressed appreciation for the store’s knowledgeable employees and efficient service, making it their preferred auto parts destination. The store also offers a free Loaner Tool program with a refundable deposit, useful for quick repairs. Overall, O'Reilly Auto Parts in Fullerton is recognized for its excellent customer service, helpful staff, and quality auto parts, making it a trusted choice for vehicle maintenance and repairs.
I was out of town and had an emergency. The crew here was a huge help. Glad the O'reiley crew out of town was just as good as home.
February 2026
Diego is awesome! He knew exactly what I needed and even helped me change my headlight. This kind of customer service is the reason I will drive by other auto parts stores to find an O’Reilly.
November 2025
Amazing customer service, purchased a 3 year battery - the employee went above & beyond- Austin I believe
