TRAC 3-Liter FluidMarine Oil Change Pump This TRAC 3-Liter FluidMarine Oil Change Pump is designed to be used for oil changes and the removal of coolant, fuel and transmission fluid. Providing and easier, cleaner way to drain engines with hard-to-reach drain plugs, this fluidmarine oil change pump is perfect for any situation where draining is difficult. Use it to pump out bilge water and trapped fluids. With self-priming pumps, this marine oil change pump creates a powerful vacuum to remove alm