DOP31266HU66 Husqvarna 66 Sprocket Cover W/ Brake No. 503-73-66-01. This is an aftermarket sprocket cover with brake (complete assembly) for the Husqvarna 66 chainsaw.
This assembly will NOT work with a full wrap handle bar. Replaces Husqvarna chainsaw original part numbers 503-73-66-01, 503736601 and 503 73 66-01.