Apollo
Mercury Outdrive Sterndrive Zinc Anode Bolt Plug
Mercury Outdrive Sterndrive Zinc Anode Bolt Plug
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📦 $5.99 shipping — FREE on orders over $25
🚚 Made to order — ships in 1–2 business days
↩️ Easy 30-day returns — refund policy
Replace a missing or worn cover to keep dirt and debris out of the rearmost zinc anode bolt access hole, so the bolt stays clean and easy to service.
Made from a weather-resistant polymer. Press firmly until the cover snaps onto the drive.
Designed and 3D-printed to order in Siloam Springs, Arkansas by Apollo, a small business.
Fits Mercury Outdrive or Sterndrive.
Shipping & returns
Shipping & returns
Made to order in Siloam Springs, Arkansas. Most orders ship the next business day; board mounts and multi-item orders can take 1–2 business days.
US: flat parts ship free by letter mail (untracked, 3–7 days). Board mounts ship free with tracking. Light parts ship free over $25, otherwise $5.99 under 1 lb or $8.99 for 1 lb and over, tracked, 2–5 days.
International: from $12.99, tracked, 7–14 business days.
Returns accepted within 30 days. See our Shipping policy and Refund policy for full details.
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