Wiper Blades | By Make | GMC | R3500
GMC R3500 Wiper Size Chart
| Year | Driver Side | Passenger Side | Rear |
|---|---|---|---|
| 1991 | 18" | 18" |
 |
| 1990 | 18" | 18" |
|
| 1989 | 18" | 18" |
|
| 1988 | 18" | 18" |
|
| 1987 | 16" | 16" | |