Parts Name: Flywheel Hexagon Nut M8
For Models: HUSQVARNA 44, 61, 65, 77, 162, 180, 280, 285, 380, 444, 480, 2100 and 371K
McCulloch 600 , 605 , 610 and 650 Stihl 015 , 020 , 041, 045, 056, MS150 BT120 , BT121 E10 , E15 FR350 , FR390, FR450, FR480 FS120 , FS200, FS220, FS250, FS25-4, FS280 FS300, FS350, FS390, FS400, FS450,FS480 FT250 HT250 SP200, SP400, SP450, SP451, SP481
TS350 , TS400, TS410, TS420, TS460, TS480i, TS500i, TS510 and TS760 PARTNER P55 , P70, P100, R16, 550 and 55
Replaces OEM: ECHO 43301912330 GB BN4 HUSQVARNA 503 22 00-01 MCCULLOCH 231169 PARTNER 503 22 00-01 STIHL 9220 260 1100 Replaces Competitor: BYNORM 670-101 NHC 203-7277 OREGON 04-008 OREGON 04-009 PRIME LINE 7-05541 PRIME LINE 7-05540 ROTARY 4793 ROTARY 7769 ROTARY 4796 STENS 635-177 SUNBELT BS-11 TILTON TM670101