Wiper Blades | By Make | GMC | W4500 Forward
GMC W4500 Forward Wiper Size Chart
| Year | Driver Side | Passenger Side | Rear |
|---|---|---|---|
| 2008 | 20" | 20" |
 |
| 2007 | 20" | 20" |
|
| 2006 | 20" | 20" |
|
| 2005 | 20" | 20" |
|
| 2004 | 20" | 20" |
|
| 2003 | 20" | 20" |
|
| 2002 | 20" | 20" |
|
| 2001 | 20" | 20" |
|
| 2000 | 20" | 20" |
|
| 1999 | 20" | 20" |
|
| 1998 | 20" | 20" | |