No, an appointment is not required for an oil change at a Walmart Supercenter. Walmart's auto care centers operate on a first-come, first-served basis. However, it is advisable to schedule an appointment to avoid being turned away.
To schedule an appointment for an oil change at a Walmart Supercenter, you have the following options:
The standard time required to complete a basic oil change at Walmart is between 30 minutes to an hour, which includes replacing the filter. While your vehicle is being serviced, you can explore shopping in-store or attend to other tasks.
For further information, you can refer to the following sources: