This pump is ideal for adding oil and other fluids to small engines and marine lower units. Flexible hose for hard-to-reach fill plugs. Quart sized. 4cc pump and 3/8 inch – 16 swivel metal marine filler fitting. Clamshell packaged. Adapter included with pump fits Mercruiser, Mercury, OMC, Evinrude, Johnson, Volvo, Force, Game fisher and Honda (70 hp and up) models.