Rotary 4793. FITS ECHO MODELS: 452 THRU 701. FITS HUSQVARNA MODELS: 44, 61, 65, 77, 162, 180, 280, 285, 380, 444, 480 & 2100. FITS PARTNER MODELS: P55, P70, P100, R16, S50 & S55. FITS POULAN MODELS: 010, 015, 020AV, 028AV, 031AV, 032, 041AV, 012AV, 045AV & 056

REPLACES OEM PART NUMBERS:

Echo: 43301912330,
GB: BN4,
Husqvarna: 503220001,
McCulloch: 231169,
Partner: 503 22 00-01,
Stihl: 9220 260 1100,