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Stay in control on the water with precision boat gauges and electronics designed for MasterCraft, Supra, and Moomba boats. Whether you’re troubleshooting a faulty tachometer or replacing a MasterCraft MMDC box or MDC box, WaterSkis.com offers genuine parts made for seamless compatibility with your inboard boat’s electrical system.
Our collection includes factory gauges, MMDC and MDC units, and other essential components to restore accurate readouts for speed, RPM, engine temp, and more. Use our Boat Part Lookup Tool to quickly find the correct MasterCraft boat gauges, Supra gauges, or Moomba gauges by model and year—no guesswork required.
Reliable data means a smoother ride. Trust WaterSkis.com for fitment accuracy, trusted brands, and parts that perform when it matters most.