Replacement --90PX056-- saw chain for ECHO chainsaw model CCS-58V and others. Operator's manual lists chain replacement ID as: 681946001 ECHO 90PX56CQ. This chain is 1.1mm or .043 gauge 3/8 low profile pitch and 56drive links.
Replaces Echo 90PX56CQ and Stihl part numbers 61PMM3 56 Chain.
Same chain as R56 and 90PX056X
If you have a 90 stamped on your drive link and there are 56 drive links, these will fit your saw.
This chain fits Bars that use 3/8 Low Profile .043 gauge or (1.1mm) and 56 drive links. Check bar for info stamped on it. Sharpens with 4.5mm file.