O'Reilly Auto Parts in Mansfield, Texas, located at 631 West Debbie Lane, carries a wide selection of parts, tools, and accessories. The store offers many free services, including battery testing, wiper blade and bulb installation, fluid recycling, and Check Engine light testing. This location also provides specialized services like resurfacing brake rotors and drums, building custom hydraulic hoses, and a free Loaner Tool program with a refundable deposit. Customer reviews consistently highlight the store's excellent customer service and knowledgeable staff. Employees are praised for their professionalism, skill, and positive attitudes. Specific examples include staff performing free check engine light tests, expertly installing complex parts like a VVT solenoid, and confidently handling battery installations in tight engine spaces. Staff members are noted for being patient, sweet, and making customers feel comfortable, ensuring a smooth and effortless experience. They are recognized for their dedication to customer satisfaction and their expertise in every task, providing great experiences and valuable assistance with auto parts and services.