- Material: ABS and metal construction delivering wear resistance, impact resistance, durability, and stable performance. - Compatibility: Direct fit for GX340, GX390, GX610, and GX620 engines; suitable for 11HP, 13HP, 18HP, and 20HP models. Please verify the engine model and year before purchasing. - Benefits: A direct replacement for old or damaged pull starters, restoring reliable starts, reducing start-up noise, and delivering steady power. OE reference numbers: 28400ZE3W02ZB, 28400ZE3W01, 28400ZE3W01ZA, 28400ZE3W01ZB, 28400ZE3W01ZP. - Specification: Recoil starter replacement for GX340, GX390, GX610, and GX620 engines, applicable to 11HP–20HP motors. - Use scenarios: 1) Replace a worn or failed pull starter on a lawn tractor, generator, or other equipment using these GX engines. 2) Maintain a ready spare in the workshop for quick service turnaround. 3) After completing maintenance, test starts to ensure consistent performance and reliability.