Diesel Deck Fill Tapered 1 1/2" Hose | Whitecap Industries 6124B 1 1/2" Hose Tapered Diesel Deck Fill | Whitecap Industries 6124B Whitecap 6124B Diesel Deck Fill 1 1/2 in. Hose Tapered Diesel Deck Fill Larger opening on tapered deck fill creates a better seal with nozzle 316 stainless steel 3 1/2 in. flange 1 1/2 in. hose 90 degree No chain (3) #10 fastener