The Yamaha ZQ271200 (per piece) is a replacement A frame for the Yamaha SLG200 silent guitar.
This part is the Yamaha ZS815400 (supplied each). This is a white urea bridge saddle, intended for the Yamaha SLG200N Silent Guitar.
This spare part is the Yamaha QC396701(supplied each). This is a 3-ply pickguard, originally intended for the Yamaha PAC1611MS Mike Stern electric guitar.
This spare part is the Yamaha ZJ239700 (supplied each). This is a bracket A1, intended for the Yamaha SLG200 Silent Guitar.
The Yamaha WS668000 battery compartment is compatible with various electro-acoustic guitars, including the Yamaha APX1000.
The Yamaha ZJ239800 replacement bracket is designed for the SLG200NW NT Silent Guitar.