P021002790 / P021002791 Echo Piston Assembly — Fits Chainsaw CS-670, CSG-680, QV-670 — E-Book in A Gift$$Tools

New, bulk-packed genuine Echo piston assembly. This is an OEM Echo replacement part. Before installing, consult the owners manual to verify the correct part number identification and to follow proper installation procedures. Please refer to the compatibility list to confirm model fitment.