This auction is for one carburetor PD12K18 as pre-owned on Curtiss Wright R-1820. Parts list 391836-4 Serial number 857329 This type of engine / carburetor pre-owned extensively on Grumman S-2 & Albatross , Super DC-3 , North American T-28 etc. This unit has been in dry storage since release from Navy stores. Was in steel Navy container but removed for pictures and preparation for shipping. This carburetor will need overhaul and is core only. Free shipping anywhere in USA or Canada. International bidders please email for shipping quote. Money back within fourteen days if not satisfied. Thanks for looking!