🌧️ 1989 GMC C1500: Wiper Blade Sizes
Driver side
18″
Passenger side
18″
Attachment type: hook — most aftermarket blades include the adapter, but check the box.
📝 1988-1998 GMT400 platform C/K series pickup. Standard configuration uses equal length blades.
Part numbers on the shelf
Size-standard part numbers — verify the connector before buying.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.