Check the listing for details. NSU OSL 251 - chain case engine cover left A104G. Condition: Used. Listed at 278.94 USD. eBay Shop Contact Reviews NSU OSL 251 - chain case engine cover left A104G Item Number: O100005160 Manufacturer: NSU Condition The offered goods are used parts. The condition can be seen in the pictures. The article is fully functional, unless stated otherwise. Other parts for this bike... interesting parts What sets us apart Fast Goods ordered and paid before 12:30 will be shipped the same day. We also answer customer questions as quickly as possible. Ready to help We are happy to help you with words and deeds. No matter what question you have about your product or beyond. Satisfaction Only when you are satisfied, we are too. That's our satisfaction guarantee and that's what we do! Diversity At MTH you will find spare parts for almost all motorcycles..