Boat Leveler Parts, Trim Tab Parts, Marine Hardware, at discount prices. Boaters Marine Supply offers the complete line of Boat Leveler Parts to go along with their line of trim tabs, and marine hardware. We have everything from Boat Leveler Parts, Trim Tab Parts, Marine Hardware, hydrolic hoses, oil and funnels, solenoid valves, trim tab levelers, levelor switches, trim tab locators, universal motors and much more. Complete our member signup for boat equipment giveaways. No Tax. If you have any technical questions about Boat Leveler Parts let our experts help.