GMC C1500 Wiper Size Chart

Year Driver Side Passenger Side Rear
1999 18" 18"
1998 18" 18"
1997 18" 18"
1996 18" 18"
1995 18" 18"
1994 18" 18"
1993 18" 18"
1992 18" 18"
1991 18" 18"
1990 18" 18"
1989 18" 18"
1988 18" 18"
1986 16" 16"
1985 16" 16"
1984 16" 16"
1983 16" 16"
1982 16" 16"
1981 16" 16"
1980 16" 16"
1979 16" 16"