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Service Bulletin: Husqvarna made a change as of May 2019 to the K770 Starter Pulley and Recoil Spring. The are no longer interchangeable with the old style Starter Pulley and recoil spring. The Air Conductor is no longer included in the complete starter. (Husqvarna Service Bulletin: B3190008B-07)


  • Replaces Husqvarna 574362001, 574 36 20-01 (Old Part Number)
  • Replaces Husqvarna 574362004, 574 36 20-04 (Old Part Number)
  • Replaces Husqvarna 506 38 56-11, 506385611 (Old Part Number)
  • Replaces Husqvarna 506 38 56-12, 506385612 (Old Part Number)
  • Replaces Husqvarna 506 38 56-13 506385613 (Old Part Number)
  • Husqvarna 584886804 (New Part Number)
  • Fits Husqvarna K750, K760, K760II, and K770 concrete cut-off saws
  • Factory genuine OEM Husqvarna part