AutoZone Auto Parts on S Campbell Ave in Springfield, MO is a leading retailer of auto parts, including new and remanufactured hard parts, maintenance items, and car accessories. Customers consistently praise the great customer service and attention to detail provided by the staff. Employees are described as incredibly helpful, knowledgeable, and willing to go the extra mile to assist customers. One customer had a positive experience with an employee named Stacey, who provided excellent guidance and support when the customer was unsure about replacing their spark plugs and coils. Another customer was impressed by the staff's ability to quickly diagnose and fix a check engine light issue. However, one customer had a less satisfactory experience, where they were charged the regular price instead of the advertised sale price for oil and filter, leading to a loss of trust. Overall, AutoZone Auto Parts is known for its reliable service and dedicated employees who strive to meet the needs of their customers.