Shurflo Marine Oil Change Pump This Shurflo Marine Oil Change Pump is extremely versatile and perfect for a variety of uses including winterizing, oil changing, automatic transmission fluids, antifreeze solutions, low viscosity gear and liquid transfer. The self-priming pump includes thermal overload protection and is easy to install. Designed specifically for harsh fluid transfer, this marine oil change pump comes with standard heavy-duty valves and a sturdy diaphragm to handle the harshest liq