Western Star 4900 Wiper Size Chart
Before you buy new wiper blades for your Western Star 4900, check out the wiper size chart below.
| Year | Front |
|---|---|
| 2002 | 20" |
| 2001 | 20" |
| 2000 | 20" |
| 1999 | 20" |
| 1998 | 20" |
| 1997 | 20" |
| 1996 | 20" |
| 1995 | 18" |
| 1994 | 18" |
| 1993 | 18" |
| 1992 | 18" |
| 1991 | 18" |
| 1990 | 18" |
| 1989 | 18" |
| 1988 | 18" |
| 1987 | 18" |
| 1986 | 18" |
| 1985 | 18" |