TOHATSU PARTS | Lower Unit S | 3ACQ87301-1 | 3AEQ87301-4 |This Genuine Tohatsu Marine Part is a lower unit assembly for a specific model of Tohatsu outboard motor. It is designed to provide reliable and efficient performance for your marine vessel. The part number 3ACQ87301 1 and 3AEQ87301 4 indicate the specific model and version of the lower unit assembly. With genuine Tohatsu parts, you can ensure the proper fit and function for your outboard motor, keeping it running smoothly on the water.