DAYCO Timing Chain Kit KTC1055 for FIAT Ducato Bus (250, 290). Only the original reference number (noted as OEN) can guarantee full compatibility of the item. The item descriptions only provide the technical data and do not give any information regarding compatibility with a specific vehicle. Before placing an order, please check the reference number provided in the description of the item in question. Information on intellectual property rights. Customer service opening hours for France. Monday-Friday: 8 AM to 10 PM Saturday: 8 AM to 4 PM Sunday: closed.