Yes, the top one you might be right, but the bottom one is well broken.http://www.loctiteproducts.com/super-glue.shtml
That's easily glued back up mate. Try that before getting new bits.
They're just rebranded MRP guides. Pretty sure MRP makes the bits available as replacements. I've got an MRP guide, but never needed to do this.
There's a top guide in here at least:
http://www.chainreactioncycles.com/au/en/mrp?keywordRedirectTerm=mrp&_requestid=3392697