Septic distribution box replacement costs between $500 and $1,500, with your box material and outlet size determining your final total. You should budget for grading and landscaping if. Buyers typically pay for a full panel replacement, including labor, materials, and permits. A distribution box serves as a crucial component in electrical installations, housing circuit breakers, fuses, and other protective devices that ensure safe power distribution. Typical cost ranges for replacing a distribution box or service panel in the United States vary widely based on panel size, amperage, labor, and whether a full service upgrade is needed. This article outlines the cost factors, price ranges, and practical budgeting advice for a U.