Works with Standard Quart Bottles - This pump fits most standard quart bottles, making it super easy and convenient for transferring oil into your boat's lower unit 8cc Pump Stroke - With a 8cc capacity per stroke, this pump allows for precise measurement and easy application of the right amount of gear oil to your motor Compatible with Most Outboards - Comes with both 8mm and 10mm adapters. The adapters fit securely, ensuring no leaks while pumping oil. Compatible with Mercury, Suzuki, Yamaha, Johnson, Mercruiser, Nissan, Tohatsu, Honda, and more Durable Metal Swivel - The 3/8-inch metal swivel design allows easy operation without rotating the entire pump when attaching to the lower unit. Built for smooth operation and effortless maneuvering, it lets you pump oil efficiently, without any mess or hassle User-Friendly - Regular oil changes are essential for keeping your motor running smoothly and extending its lifespan. This pump simplifies the process, saving you time and helping you avoid costly repairs down the road The Lower Unit Gear Oil Pump is designed for transferring oil from standard quart bottles to marine outboard motors. Featuring an 8cc pump stroke, 8mm and 10mm adapters, and a 3/8-inch metal swivel, it includes two durable suction tubes (long and short) to fit both tall and short quart bottles. The steel construction and 3/8" swivel adapter provide enhanced durability and reliability, ensuring precise and controlled fluid dispensing for routine maintenance and gear oil changes.