21N6 20322: BUZZER ALARM Crankshafts model: Heli a Series CPC20~30、CPQ20~30、FD10~18Z16、FG10~18N16、FD20~25Z2S、FG20~25N2S model: Heli a Series CPC20~30、CPQ20~30、FD10~18Z16、FG10~18N16、FD20~25Z2S、FG20~25N2S 001 Applications: Used in various Hyundai forklift models Part of the electrical system in forklifts Key Features: Designed for use in Hyundai construction equipment Likely controls multiple functions in a single switch assembly Additional Information: The part is listed under the electrical components section for Hyundai forklifts It appears to be a critical component in the forklift's control system Aftermarket versions of this part may be available heavy construction equipment It is compatible with various Hyundai and possibly Case machinery models Note: Specific technical details like voltage