Key Auto Parts provides used auto parts with reasonable and sometimes lower prices than quoted. The staff is described as perfect, polite, courteous, friendly, and helpful. Customers report excellent service, with staff going all out to ensure complete satisfaction. While some parts like low mileage engines can be a little pricey, the business is known for making things right, including issuing refunds when necessary. They are considered reliable by long-term customers. Overall, they are highly appreciated and recommended for their service and fair dealings.