This offer/listing is for One (1) Only, Very Rarely found and Now About Obsolete new old stock Equipment vintage "Tokico" quality made in Japan, Cast Aluminum, Rear Drum Brake Hydraulic 11/16" bore Wheel Cylinder Assembly with back hose connection(fits either R/H or L/H sides please buy a pair for full rear axle brake cylinder replacement). Applications are believed to be for many of the 1972-75 Datsun/Nissan PL620 Pick-Up Truck L16 1600cc, L18 1800cc and L20 1990cc Model Vehicles. Related part#s are 44100-B5500, 39-7202, 84-04301, W51301, 67968340 and 20 1321. This item is in Mint Condition after many years of dry parts room storage! Please study photos carefully, check with club or dealership specs and your measurements, ask any questions and double check/compare your actual needed part# to our listing prior to bidding. All NOS parts are subject to some possible deterioration, oxidation and shelf-ware from age and long term storage. For this reason we can offer NO Warranty on New Old Stock Parts!