While attempting to replace the fan belt, I found that a spacer on the drive shaft was cracked. It is still in one piece and since it is made of rubber do I need to replace it?
http://www.green-parts-direct.com/free-parts-search?gclid=Cj0KEQjw1s-gBRCKwOKQ1sWonvsBEiQA8qALFXIyMv9ipG27vevHRhszMp9MPpjGkz1SVJS2eChUE4MaAuMq8P8HAQ#/John_Deere/445_Lawn_%26_Garden_Tractor_-PC2351/DRIVE_SHAFT%3a_POWER_TRAIN/23510003/
part #6
http://www.green-parts-direct.com/free-parts-search?gclid=Cj0KEQjw1s-gBRCKwOKQ1sWonvsBEiQA8qALFXIyMv9ipG27vevHRhszMp9MPpjGkz1SVJS2eChUE4MaAuMq8P8HAQ#/John_Deere/445_Lawn_%26_Garden_Tractor_-PC2351/DRIVE_SHAFT%3a_POWER_TRAIN/23510003/
part #6