Ameritrans Freightliner M2 shuttle bus Cleer Vision frameless bonded windows. To be sure of proper fit you will need to remove the window from the bus so you can access a manufacturers label inside the frame of the window. Cleer Vision You are looking for a long string of numbers that begin with the letters ASO. When you have that number we can verify the correct replacement for your bus. Please call (910)272-0197 with questions. The windows measure approximately 48-1/2 w X 37-1/2h. Price Includes boxing. This is an egress or emergency exit window OEM Part No. 9-EL5-0003.