🌧️ 1989 Chevrolet K20: Wiper Blade Sizes
Driver side
18″
Passenger side
18″
Attachment type: hook — most aftermarket blades include the adapter, but check the box.
📝 1989 K20 pickup trucks did not have rear wipers. Some models may have used 16-inch blades depending on configuration.
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.