4″ ALUMINUM DUMMY ADAPTER Existing customers can log in to their account for additional savings Call for price Categories: Dry Bulk, Dry Bulk Parts, Dry Bulk Tank Truck Parts, Liquid - Petroleum, 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 Stainless Steel Blower Hose R360S Unlined [packed] Cam Couplings – Domestic D Dry Bulk-3” & 4” Swing Check Valves Cam Couplings – Import E