4″ ALUMINUM DUMMY ADAPTER Existing customers can log in to their account for additional savings Call for price Categories: Liquid - Petroleum, Dry Bulk, Dry Bulk Parts, Dry Bulk Tank Truck Parts, Petroleum Tanks Truck Parts Specification Specifications Part # AL4051BORE Similar to 400-54A tank car collar but made with cast aluminum Welds to aluminum cabinet for clamp mounting of drop elbows Related products Dry Bulk – Air Pressure Relief Valves Dry Bulk-3” & 4” Swing Check Valves Cam Couplings – Import F SuperFlex SF400 Stainless Steel Dry Material Hose