ROT 9607 Echo Vent Assembly Replacement Tool Part Fits echo models: get 1100, 2000, 2102, 2103, 2400, srm-1500, 1501, 2100, 2300, 2301, 2400, 2500, 2501, 2510, 3000, 3800, srs-2100, pe-2400, pb-1000/1010, 2400, es-2000, shr-2100 Replaces: 55-157 Oregon Replaces: 610-079 stems