180VXLGK216 18" Oregon bar + chain fits Echo CS-450P, CS-501P, CS-550P saw
Compatible with Echo 18F0LD3372C Oregon chain is OCS20LPX072G.
Bar is VersaCut sprocket nose part # 180VXLGK216
(replaces old part#180GLGK216).
Bar and chain are matched .325 pitch .050 gauge 72 drive links.
This Combo fits with .325 pitch sprockets.