Genuine Husqvarna replacement part. New, Bulk Packed. Genuine Husqvarna Replacement Part. Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibility. Includes (1) 532421176 Blade AdapterNew, Bulk PackedGenuine OEM Replacement Part # 532421176Consult owners manual for proper part number identification and proper installationThis part replaces obsolete part #: 421176, 532189179, 532085543 and 189179Please refer to list for compatibilityCompatible with the Following:Husqvarna: 5521 RSE,5521 RSX,56 HST,560 HST,65022 ES,70021 CH1,7021 CH1,7021 RES,7021 RS,87521 RES,7021R,62522 FE, Poulan: PR600Y22SHP,XT600Y21RP,PR65Y21RKP,PR625Y22RHP,PR625Y22RKP,PR625Y22RP,PR625Y22SHP,PR675Y22SHP,961420106,PR65Y22SHP,PR65Y21RSP,PR600Y22RHP,PR675Y21RDP,PR675Y21RP,961420032,XT625Y22RHP,961440001,PR7Y21CHB,96142010200,PR600Y21RHP,PR55R21AG,