B&G Wind Speed Cups, For All B&G Wind Sensors, With Mounting Nut

Overview

The B&G 000-15140-001 is a replacement wind speed cup set for B&G masthead wind sensors, supplied with a mounting nut. It is a three-cup assembly that replaces worn, cracked, or damaged cups that can cause erratic wind speed readings.

Wind cups live in a tough spot on the boat, spinning all day in salt air and sun. When the cups get loose or out of balance, your numbers can jump around and that shows up immediately on your instruments. Swapping the cups is a straightforward service job that helps bring your wind speed data back to normal.

This is a practical spare for cruising and racing sailboats that depend on consistent masthead wind data for trim, performance targets, and instrument overlays.

Key features

• Replacement wind speed cups for B&G wind sensors
• Fits all B&G wind sensor models, including WS310, WS320, WS700, VMHU, 608, 508, 213, and 496
• Three-cup assembly supplied in black
• Includes the mounting nut for attachment to the sensor
• Helps correct unstable wind speed readings caused by worn or damaged cups

Compatibility and fit

This cup set is intended for B&G masthead wind sensors across the range. If you are matching by sensor family, it is commonly used on WS310, WS320, WS700, VMHU, 608, 508, 213, and 496 sensors. For best results, compare the shape and attachment style of your existing cups and confirm the sensor model before ordering.

Installation and setup

Plan the swap when you have safe access to the masthead. Remove the old cups, check that the shaft is clean and free of damage, then install the replacement cups and secure them with the supplied nut. After installation, give the cups a gentle spin to confirm they rotate freely, then run an instrument check underway to confirm steady wind speed readings.

Maintenance and care

Rinse the masthead unit with fresh water during routine washdowns when possible, and inspect the cups during seasonal checks. If the cups show cracks, wobble, or sticky rotation, replacing them early can prevent misleading wind speed data during sailing and docking maneuvers.

What’s included

• Wind speed cups (three-cup assembly)
• Mounting nut

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