This listing is for a cylinder cover, John Deere part #AM31759.  It was removed from a John Deere 112, serial #101278 with a Tecumseh HH100-115093B 10hp engine.  It may fit other models as well.  If you are not sure if it will work on your tractor then please ask.  It is in nice condition.  Payment by paypal within 2 days of the auction's close.  I will combine shipping on multiple purchases when possible.  If you are looking for a part that I don't have listed please ask, I might have one.  Thanks for looking!