The aft mounts for the engine P/N 204-060-102-11 bolted to the tops of the right hand ( bipod ) and left hand ( tripod ) mounts.
Note the photo, if you see a gap between the top cap of the mount and the mount bearing you will need to change the bearing and the mount.
If on installation the mount cap does not fit tight on the bearing it will allow the bearing to wear into the lower mount half.
Any movement will rapidly accelerate the wear.
Pete Frinchaboy
Helicopter Maintenance Manager
Metro Fire Sacramento