04-31677-000 | Genuine Freightliner® 04-31677-000 Def Header 13/23GDescription: Def Header 13 23GCondition: NewBrand: FreightlinerPart Number: 04 31677 000Other Oem Part Numbers: 04 31677 000, 0431677000 Manufacturer informationFreightliner is the best selling brand of heavy duty trucks in North America. But when it's time to service any of these trucks, it also provides customers with the parts they need right when and where they need them. Its distribution centers are located across the United States and utilize