Parts Catalog // Parts // Udor Oil Bowl Reservoir Assembly Udor Oil Bowl Reservoir Assembly Udor Oil Bowl Reservoir Assembly Udor Oil Bowl Reservoir Assembly. Part# 6033.01 is the replacement oil bowl for most Udor diaphragm pumps. The oil bowl kit comes with the bowl, cap, cap o-ring, pump o-ring, and bolts. *Prices subject to change PRICE: $44.07 Quantity Add To cart