The operator would like to have the seat belts of their Embraer 135 aircraft refurbished. The original seat belts should be refurbished. The seat belts are the same type as the original installed seat belts. The sequence of the Part number, indicating the belt color is replaced with a new number, the rest of the seat belt part number remain identical. No modification to any other part of the seat belts (e.g. buckle, attachment, etc). The seat belt refurbishment is performed by the original equipment manufacturer.