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Seachoice 50-18871 Brass Snap-Lock Boat Drain Plug, 1-1/4 Inch

$12.45 (Price correct as of 11/04/2026 02:48 PST · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The Seachoice 50-18871 is a brass snap-lock boat drain plug listed as a replacement for standard 1-1/4-inch plugs. It mounts from inside the transom, and its cam-action lever flips down to lock. Check the boat’s plug size and mounting arrangement before choosing a replacement, and follow the applicable instructions for installation and checking the seal.

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SKU: B000N9MHJU Category:

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Quick Summary

The Seachoice 50-18871 is a brass snap-lock boat drain plug listed as a replacement for a standard 1-1/4-inch drain plug. Its cam-action lever flips down to lock, and it mounts from inside the transom.

Key Details

Detail Product information and buyer relevance
Brand and part number Seachoice 50-18871, also identified as model 18871. Use the part number when checking the replacement.
Replacement size Listed for a standard 1-1/4-inch drain plug. Confirm the boat’s existing plug size and configuration.
Material Brass construction, described as corrosion-resistant.
Lock and mounting A cam-action lever flips down to lock; the plug mounts from inside the transom.

What to Compare Before Buying

  • Check that the boat uses a standard 1-1/4-inch drain plug. The stated replacement fit does not establish compatibility with every opening or plug design.
  • Confirm that the inside-transom mounting arrangement matches the boat’s existing installation.
  • Follow the boat and plug manufacturer’s instructions for installation and checking the seal.

Before You Decide

Confirm the plug size, mounting arrangement and part number for the replacement you need. The listing describes the plug as forming a watertight seal, but fit and installation matter; that description is not a guarantee for a particular boat.

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