Up for sale is a John Deere 8450, 8650, 8850 Re-man Alternator. Purchased alternator through John Deere and have recently sold the tractor. Alternator was never installed and is in perfect condition. Only thing missing is the original box the alternator came in. The alternator from John Deere is $580. Can send more photos upon request and answer any questions you may have. Thanks for looking!