I would replace the chain with the one that fits the bar rather than replace the bar.
Mar 7, 2016 / Echo 18" CS420 - Chain keeps popping off and getting burred up... #51 William Grimm New member Joined Dec 6, 2015 Messages 1 Location San Francisco,California Tractor John Deere 6115D I would replace the chain with the one that fits the bar rather than replace the bar.