Silencer 522Hd - 5938764-05Spare part from the Husqvarna spare parts catalogSuitable for example for: Husqvarna 522HD60S Husqvarna 522HD60X Husqvarna 522HDR60S Husqvarna 522HDR60X Husqvarna 522HDR75S Husqvarna 522HDR75X