Moto Guzzi Rear Brake Light Switch V700 Ambassador Eldorado 850GT 55741100 Centauro mostly the earlier bikes like

mostly the earlier bikes like the Ambo and V700

May also replace petcocks on other makes and models that have this same thread

Moto Guzzi Fork Spring Set Dual Rate 18526960 Mille GT G5 Cal2

Left and right as pictured

Moto Guzzi Rear Brake Light Switch V700 Ambassador Eldorado 850GT 55741100 Centauro mostly the earlier bikes likeMoto Guzzi Rear Brake Light Switch V700 Ambassador Eldorado 850GT 55741100 Wire connections are different than original. Outer 2 terminals are used for light to activate when plunger is let out. This is the set up on Ambo, Eldo, V700, etc. Sold each. Consult your parts manual for proper fitment. Please note that this item may be a reproduction or replacement item for an original Moto Guzzi part. Part number is for reference purposes only.