I have 2 of these repairs coming up. These are a 6" roller correct? I can find the 5.00006.931 colson # on their website. But that was it. Tinman says this is not the right one. The hub is different. Also how pricey are we talking? Access has them for $342.00 Is colson cheaper? Thx for the help. Not looking forward to this repair. I am going to do the hole access in the side though.