Digi-Key sells two crosses suitable for replacement 2162-AL-05-30-MH-0-C-ND and 298-1006-ND for TY534MX which is a cable tie made by ABB-Thomas & Betts. Digi-Key Electronics does not currently carry this and it can be hard to find at the moment. TY534MX | ABB
If there are any questions on these, please feel free to reply to this post and we will be happy to address them.