This is a great part from EIS hard to find on the market.
This is the latch for your side vent window on your bay
window bus behind the driver side. This vent lock is only
for bay window vent assemble that fits next to large window
this will only work on left side and must a have part
to secure your window from any break in. pick as many as
your bus takes. Fits Bus from 1968-1979. Sold as each.