🌧️ 1973 GMC C1500: Wiper Blade Sizes
Driver side
18″
Passenger side
18″
Attachment type: hook — most aftermarket blades include the adapter, but check the box.
📝 1973-1976 models received slightly longer 18-inch blades; some sources show 16-inch as alternative
Part numbers on the shelf
Size-standard part numbers — verify the connector before buying.
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