O'Reilly Auto Parts in Costa Mesa, California, is a highly regarded auto parts store located at 1175 Baker Street in the Stater Bros. Shopping Center. Customers consistently praise the store for its helpful and professional staff. Many reviews highlight the exceptional service provided by employees like Phil, Blaine, Antonio, Johnny, and Angel, who go above and beyond to assist customers with their auto needs. Whether it’s evaluating battery requirements, changing a brake light, or offering check engine light diagnostics, the staff is described as kind, knowledgeable, and attentive. The store offers a range of services, including free battery testing, wiper blade and bulb installation, and a Loaner Tool program for special repairs. Customers appreciate the store's quick service, with parts often delivered within hours, and the overall positive experience of visiting the store. With over 6,000 locations across the U.S., O'Reilly Auto Parts remains a trusted destination for anyone in need of auto parts, tools, and accessories. The Costa Mesa location stands out for its commitment to customer satisfaction, making it a top choice for local auto care.