Part Name:12V Controller Switch
Part Number: 129930-77970, 12993077970 ,YM129930-77970 
Applications:
For Yanmar Engine: 4TNE98, 4TNE98-UPOMD, 4TNE98-UPOMD2, 4TNE98-BQCKST
For Komatsu Engine: 4D98E-1, 4D98E-1B45C, 4D98E-1B41-C
For Komatsu Forklift: FD30-17, FD30-16, FD20/25-16, FD20N/25N-16, FD20H/25H-17, FD20/25-17, FD35A-17, FD35A-16, FD30N-16, FD30H-17
For Komatsu Truck: BX20, BX50
If you have any question before or after sale, please contact us.We will try our best to help you solve it. Thanks!