Sierra 18-9794 Gear Lube Adapter Gear Lube Adapter for use with Sierra quart pumps or lower unit fill tubes. Thread Size 8-1.25mm Interchangeable with Mallory 9-81003 Mercury Marine 91-883704Q03 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Special Tools Product MPN 18-9794 Product UPC 808282260163 Fast Ship In Stock Ships Today