Avoid the mess and add convenience with the lower unit fill pump. Keep your boat engine running smoothly with this lower unit lube pump. Simply attach to 1 quart bottle of lower unit lube and fill lower unit. It fits all standards 1 quart lube bottle. Fits domestic O/B and I/B motor. Avoid mess.Pump is specially designed for outboard motors. Make tough job short and simple. Good for multiple uses. Fits standard 1 quart unit lube bottles. Pump fits any outboard or stern drive. Screws onto bottle to allow you to pump gear lube into lower unit. Item# PM152610