This listing is for one drain plug and washer, code 26163 & 26173, for the Gribaldi Salvia DM Series disc mowers. Please reference positions in the exploded view of the mower. We stock a complete line of parts for the Gribaldi Salvia Disc Mowers in our eBay store. We sell many replacement parts for the most manufacturers of tillers, finish mowers, spreaders, 3-point hitch hay tedders and sickle bar mowers. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Number: 26163 & 26173 We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information.