104-1280 ONAN CK SERIES CRANKSHAFT with keys casting # P-284 fits model CK NOS made in the 1960s. Vintage CK crank shaft NOT for cck 14" long tapered end goes from .975" diameter at the end to 1-3/16" . other end is 1-1/8" diameter NEW OLD STOCK , HAS GOT SOME MINOR SURFACE RUST FROM SITTING IN A BOX FOR 50 YEARS These may have some slight surface rust. Just from setting around. I will clean them with a wire wheel before shipping. These are new and unused but have collected some surface rust in various spots. I will be cleaning the rust with a wire wheel and steel wool. Your satisfaction is guaranteed. Been in Onan surplus stock for 25 years + I ALSO HAVE THESE CRANKSHAFTS AVAILABLE. IF YOU SEE YOUR NUMBER HERE LET ME KNOW 186-1320 104-0654 104-0910 104-0944 104-1280 104-1281 104-1306 104-1317 104-1339 104-1433 186-0787 185-4897 104-0463 104-0710 104-1367 104-1631 185-3542 104-0439 104-0877 104-0906 104-1303 104-1344 104-1479 104-1482 104-1646 I USUALLY HAVE MORE STOCK OF ALL MY ITEMS AND CAN SAVE YOU MONEY IF YOU ARE INTERESTED IN LARGER QUANTITY PURCHASES. I AM ALSO GLAD TO SELL YOU AN EXTRA SPARE IF THAT IS ALL YOU NEED. If you have further information regarding this or another item I have for sale, please feel free to let me know so that I may post it here for buyers who may not have such information. Winner pays CALCULATED shipping and handling anywhere in USA. Other countries must contact me for a postage quote. Please look at my other items in my STORE and add me to your favorites list. NOS means new old stock. These are items that are still in new and unused condition that have been on the shelf or in storage for a number of years. Most of my items are in the original factory boxes or cases. Some of these boxes show a good bit of wear and tear from storage time and handling. I try to add to my store listings all the time. Please keep in touch. Most items are sold "AS IS" with a "no return policy" unless stated otherwise in the body of the ad. Please know what you are buying and ask questions if you don't. I will answer all emails to the best of my ability. If you are not satisfied with your purchase please contact me immediately. I am not an expert concerning much of what I sell. Please send part numbers when inquiring about certain parts. Sincerely, Mike ... ** ask me for help to search 1000's of old, obsolete and discontinued Onan part numbers.