Mercury Water Pump Kit | Sierra 18-3319

Water pump repair kit with housing & base replaces Mercury 46-42579AA4

Sierra water pump kit
Includes water tube guide, impeller, housing, base, water pump gasket, grommet, 2 drain gaskets, water pump base to gear housing gasket, 2 water pump gaskets, seal ring, plate, 6 o-rings and gasket
Fits specified Mercury/Marine outboards
Replaces Mercury 46-42579A4
Replaces Mallory 9-48306