REPRODUCTION. You are purchasing one pair of chrome slotted nuts for the wiper transmission assembly on the cowl. Replaces GM Part # 4648790. Item has 5/8 inch by 22 thread gauge.
Inside Diameter: 0.563 inches or 14.287 mm (approximate)
Outside Diameter: 1.875 inches or 47.625 mm (approximate)
Height: 0.1875 inches or 4.763 mm (approximate)
1954-1956 Cadillac Models