Replacement Parts for Windex and Spar Fly Wind Indicators

Prices from $4.99 - To $37.99


In stock online.
Model # 277991 | Mfg # 3125 | UPC # 11698001941

Use these replacement parts for all Davis Windex Wind Indicators.


  • 3125 J-Base™ for Windex® 10 Sport: Standard with the Windex 10 Sport, this J-Base™ can be ordered as an option for Windex 15. Allows for side, top, or front mounting on most masts, on big boats or dinghies alike. The J-Base™ comes with two #10 (5mm) self-tapping screws. 2"L with 1 3/8" hole centers (35mm). Installation of J-Base™ can also be accomplished by tapping the mast for 3/16" (5 mm) machine screws or by using epoxy putty to affix base to the mast
  • 3155 J-Base for Windex® 15: This optional mount for Windex 15 provides more versatility and reduces overall weight aloft by 15 grams when substituted for standard Windex 15 mounting base.

Replacement Vanes

  • 3101 Replacement Vane for  Windex® 10 Sport
  • 1311 Replacement Vane for Spar Fly
  • 3151 Replacement Vane for Windex® 15

Reference Tab Assembly and Tabs

  • R3152 Reference Tab Assembly, complete with two Reference Tabs
  • R3150C Two Reference Tabs only

Adjust tab arm angle to match upwind performance:

  • 55° for boats with good windward performance
  • 60° for normal ocean racers
  • 65° for normal day cruisers



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