15-177 Shoe, cam & coil

In the attached photo, the shoe, cam and coil on the left appear to me to be intact and ok. The shoe on the right has a broken cam, but the coil seems ok. I understand that I can't merely replace the cam, but have to replace the whole shoe. It looks to me that the 15-177 shoe is what I need, but before I ordered I thought it wise to run it by you guys to get a second opinion. Thanks, all the info on your site has been incredibly helpful.