🌧️ 1977-1990 Buick Estate Wagon: Wiper Blade Sizes
Driver side
18″
Passenger side
18″
Rear
16″
Attachment type: hook — most aftermarket blades include the adapter, but check the box.
📝 Full-size GM B-body wagon. Rear wiper standard on tailgate glass.
Part numbers on the shelf
Size-standard part numbers — verify the connector before buying. Rear blades are model-specific: check the vehicle list on the package.
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Estate Wagon generations