Bague de siège de soupape - DT SPARE PARTS
https://www.trucksarena.com/shop/dts-4-50100-bague-de-siege-de-soupape-dt-spare-parts-964562
https://www.trucksarena.com/web/image/product.template/964562/image_1920?unique=fbe9f38
DT SPARE PARTS part, reference 4.50100. Sold by 6.
