This bleed screw is a genuine OEM Yanmar part used on the fuel injection pump of GM, YSM and QM series engines. This is a genuine Yanmar OEM product . Yanmar OEM Part Number 124060-59380 Compatible Yanmar Engines YSM Series YSM8 (8 HP) YSM12 (12 HP) QM Series 2QM15 (15 HP) 2QM20 (22 HP) 3QM30 (33 HP) GM Series 1GM (7.5 HP) 1GM10 (9 HP) 2GM (15 HP) 2GM20 (18 HP) 2GM20 EU (18 HP) 2GM20 F (18 HP) 2GM20 F EU (18 HP) 3GM (22 HP) 3GM30 (27 HP) 3GM30 EU (27 HP) 3GM30 F (27 HP) 3GM30 F EU (27 HP) HM Series 3HM (30 HP) 3HMF (30 HP) 3HM35 (34 HP) 3HM35F (34 HP) Questions about compatibility or Yanmar engine parts? Our marine specialists are happy to help.