Genuine Husqvarna Washer (OEM #532067725) for HU550F, LC 221AH, Jonsered L2621. Secures components.
Genuine Husqvarna Drive Pulley (OEM #532194128) for HU600L, PoulanPro PR160Y22RP, Jonsered LM 2153 CMD. Drives self-propulsion.