Submersible bilge pumps are a necessity for almost every boat. At iboats.com offers a massive range of bilge pump models from brands such as Rule, Johnson, Attwood, SeaSense, Seachoice, and Jabsco. Choose from a wide selection of GPH ratings (gallon per hour), outlet sizes, voltages, and choice between Automatic pump vs. manual bilge pump, or cartridge vs. non-cartridge. Are you looking to make that manual bilge pump automatic? No problem, we have a wide selection of floats and switches that give you the ability to choose how and when you want your bilge pump to activate, as well as replacement cartridges to keep your pump working smoothly.