GMC W4500 Forward wiper blade size chart

Recommended wiper blade size for GMC W4500 Forward in inches.

YearFront
201020"
200920"
200820"
200720"
200620"
200520"
200420"
200320"
200220"
200120"
200020"
199920"
199820"
199720"
199620"
199520"