said by fartness:
Go up two posts of mine.
Ah. I thought you had posted a repair guide or a list of items that needed replaced. Not just the amazon link. Based on the diagrams above, what's in that picture should be the only items presuming nothing is broken, worn, etc. The only other thing that might need to be is the spring for the tensioner which looks to be a separate item. Not sure if that is a item that weakens over time and should be replaced with the tensioner.