Western Star Constellation Chrome Ventvisor Rain Guard Prevents Pooling Of Rain On Window! Fits The Following Western Star Models: Constellation 4800 (2002-2019) 5800SS (1999-2017) 4900EX, 4900FX, 4900SX (1999-2019) Chrome Finish Lets Fresh Air Into The Cab, Even During Bad Weather Helps Driver Stay... See More