5 Pk Genuine Husqvarna/RedMax Flywheel Key Part #: 506689401 Fits these models and more: Blowers Husqvarna 130BT (2007-01) 965102204, Backpack Blower 130BT (2008-10) Backpack Blower 150BT (2007-05) Backpack Blower 150BT (2008-10) Backpack Blower 170BF (2006-03) Backpack Blower 170BF (2008-10) Backpack Blower 170BT (2006-03) Backpack Blower 170BT (2008-10) Backpack Blower 180BF (2008-02) Backpack Blower 180BF (2008-10) Backpack Blower 180BT (2008-02) Backpack Blower 180BT (2008-10) Backpack Blower 350BF (2009-03) 50.2cc Backpack Blower 350BT (2009-03) 50cc 2-Cycle Backpack Blower 370BFS (2009-03) 65cc Backpack Blower 370BTS (2009-03) 64.9cc Backpack Blower 380BFS (2009-03) 72cc Backpack Blower 380BTS (2009-03) 72cc Backpack Blower 560BFS (2011-10) 65cc Backpack Gas Leaf Blower 560BTS (2011-10) 65.6cc 2-Stroke X-Torq Gas Backpack Blower RedMax HEZ260F (967600901)(2014-08) Edger GZ4350 (2017-10) Chainsaw BCZ260T (967194301)(2014-09) Brushcutter BCZ260TS (967194302)(2014-09) Brushcutter BCZ400SW (966785601)(2011-11) Brushcutter BCZ400SW (966785601)(2012-08) Brushcutter EBZ5100 (70100001 AND UP) Backpack Blower EBZ5150 (966358301)(2011-01) Backpack Blower EBZ5150 (966358301)(2012-08) Backpack Blower EBZ5150RH (966358401)(2011-01) Backpack Blower EBZ5150RH (966358401)(2012-08) Backpack Blower EBZ6500 (2011-09) Backpack Blower EBZ6500RH (2011-09) Backpack Blower EBZ7150 (966363201)(2011-04) Backpack Blower EBZ7150RH (966363201)(2011-04) Backpack Blower EBZ7500 (966624301)(2010-09) Backpack Blower EBZ7500 (966624301)(2010-10) Backpack Blower EBZ7500RH (966709901)(2010-10) Backpack Blower EBZ8050 (966364001)(2011-04) Backpack Blower EBZ8050RH (966364001)(2011-04) Backpack Blower Brushcutters BC 3401 DL - RedMax Brushcutter (SN: 200101 Above) ENGINE BC 4401 DW - RedMax Brushcutter (SN: 200101 Above) ENGINE BCZ 2450 S - RedMax Brushcutter (SN: 91101001 Above) ENGINE BCZ 2450 T - RedMax Brushcutter (SN: 91101001 Above) ENGINE BCZ 2460 S - RedMax Brushcutter (SN: 00400101 Above) (2012-08) ENGINE BCZ 2460 TS - RedMax Brushcutter (SN: 00400101 Above) (2012-08) ENGINE BCZ 2460 TS - RedMax Brushcutter (SN: 00400101 Above) (2014-04) ENGINE BCZ 250 S (967668801) - RedMax Brushcutter (2017-06) ENGINE 2 BCZ 260 S (967194301) - RedMax Brushcutter (2014-09) ENGINE BCZ 260 TS (967194302) - RedMax Brushcutter (2014-09) ENGINE BCZ 2610 S - RedMax Brushcutter (SN: 70050101 Above) ENGINE BCZ 2650 S - RedMax Brushcutter (SN: 91000101 Above) (2012-08) ENGINE BCZ 2650 T - RedMax Brushcutter (SN: 91001001 Above) ENGINE BCZ 2660 TS - RedMax Brushcutter (SN: 00400101 Above) (2012-08) ENGINE BCZ 2660 TS - RedMax Brushcutter (SN: 00400101 Above) (2014-04) ENGINE BCZ 3001 S - RedMax Brushcutter (SN: 300001 Above) ENGINE BCZ 3001 SW - RedMax Brushcutter (SN: 300001 Above) ENGINE BCZ 3050 S - RedMax Brushcutter (SN: 91000101 Above) (2012-08) ENGINE BCZ 3050 SW - RedMax Brushcutter (SN: 91000101 Above) (2012-08) ENGINE BCZ 3050 T - RedMax Brushcutter (SN: 91000101 - 91001000) ENGINE BCZ 3060 TS - RedMax Brushcutter (SN: 00400101 Above) ENGINE BCZ 3060 TS - RedMax Brushcutter (SN: 00400101 Above) (2014-04) ENGINE BCZ 400 SW (966785601) - RedMax Brushcutter (2011-11) ENGINE BCZ 400 SW (966785601) - RedMax Brushcutter (2012-08) ENGINE 143 RII - Husqvarna Brush Cutter (Original) CRANKSHAFT 143 RII - Husqvarna Brush Cutter (SN: 20090100001 - 20143600000) CRANKSHAFT 143 RII - Husqvarna Brush Cutter (SN: 20143600001 - 20150400000) CRANKSHAFT 143 RII - Husqvarna Brush Cutter (SN: 20150400001 - 20180500000) CRANKSHAFT 143 RII - Husqvarna Brush Cutter (SN: 20180500001 - 20200400000) CRANKSHAFT 143 RII - Husqvarna Brush Cutter (SN: 20200400001 Above) CRANKSHAFT 150 BT (965877601) - Husqvarna Backpack Blower (SN: 20180500001 Above) PISTON CRANKSHAFT 150 BT - Husqvarna Backpack Blower (Original) PISTON CRANKSHAFT 170 BF - Husqvarna Backpack Blower (SN: 20084000001 Above) PISTON CRANKSHAFT 170 BT - Husqvarna Backpack Blower (SN: 20084000001 Above) PISTON CRANKSHAFT 226 HD 60 S (967279801) - Husqvarna Hedge Trimmer (SN: 20180500001 Above) CRANKSHAFT 226 HD 60 S (967279803) - Husqvarna Hedge Trimmer (SN: 20153600001 Above) CRANKSHAFT 226 HD 60 S (967279804) - Husqvarna Hedge Trimmer (SN: 20171000001 Above) CRANKSHAFT 226 HD 60 S - Husqvarna Hedge Trimmer (Original) CRANKSHAFT 226 HD 60 S - Husqvarna Hedge Trimmer (SN: 20090100001 - 20180499999) CRANKSHAFT 226 HD 75 S (967279901) - Husqvarna Hedge Trimmer (SN: 20180500001 Above) CRANKSHAFT 226 HD 75 S - Husqvarna Hedge Trimmer (Original) CRANKSHAFT 226 HD 75 S - Husqvarna Hedge Trimmer (SN: 20090100001 - 20130499999) CRANKSHAFT 226 HS 75 S (967279602) - Husqvarna Hedge Trimmer (SN: 20150400001 Above) CRANKSHAFT 226 HS 75 S (967279603) - Husqvarna Hedge Trimmer (SN: 20153600001 Above) CRANKSHAFT 226 HS 75 S (967279604) - Husqvarna Hedge Trimmer (SN: 20171000001 Above) CRANKSHAFT