17mm Nylon Marine Drain Bung Plug – Boat Kayak Yacht Canoe

17mm Marine-Grade Nylon Drain Bung Plug

Keep your hull dry and watertight with this universal 17mm nylon drain bung plug. Designed to fit standard 19mm thread drain holes on boats, kayaks, canoes, yachts, and rafts, this replacement plug is built to last with marine-grade, UV-stabilised black nylon construction. Whether you're draining water from the inner hull or sealing up after a wash-down, this bung plug makes it effortless.

Key Features

• Marine-Grade UV Stabilised Nylon – Resists sun, salt, and water degradation for long-lasting performance on any vessel.
• Rubber Gasket Seal – Integrated rubber gasket creates a watertight barrier, preventing unwanted water ingress even under high-vibration conditions.
• Coarse Thread Design – Simply screw into the drain sleeve for a secure, tool-free fit — no fuss, no mess.
• Universal Fit – Compatible with standard 19mm thread drain bungs found on boats, marine vessels, yachts, rafts, kayaks, and canoes.
• Versatile Application – Ideal for boat transoms, fish wells, ice chests, live wells, bait tanks, and more.
• Compact & Lightweight – Measures approximately 0.98 × 2.28 in (2.5 × 5.8 cm); easy to store as a spare on board.
• Color: Black

Specifications

What It Fits

This drain bung plug is a drop-in replacement for standard 19mm thread drain ports on:

• Motorboats & Fishing Boats
• Kayaks & Canoes
• Yachts & Sailing Vessels
• Inflatable Rafts
• Ice Chests & Fish Wells
• Bait & Live Well Tanks

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For general boating safety guidelines, visit the U.S. Consumer Product Safety Commission – Recreational Water Safety.

Note: Due to differences in lighting and screen settings, the color of this item may vary slightly from the picture. Please allow slight size differences due to manual measurements.

Learn more: Penn Yan Boat Company

Frequently Asked Questions

Q: What size drain hole does this nylon bung plug fit?

A: This marine drain bung plug is designed to fit standard 19mm coarse thread drain holes, commonly found on boats, kayaks, canoes, yachts, and rafts. The plug itself measures approximately 0.98 × 2.28 in (2.5 × 5.8 cm).

Q: Is this drain plug watertight and suitable for saltwater use?

A: Yes. The plug features an integrated rubber gasket that creates a secure, watertight seal even under high-vibration conditions. The UV-stabilised marine-grade nylon construction is resistant to sun, salt spray, and moisture, making it suitable for both freshwater and saltwater environments.

Q: How do I install this bung plug?

A: Installation is simple and tool-free. Just align the coarse thread with your boat's drain sleeve and screw the plug in directly by hand until snug. The rubber gasket will seat against the hull to create a leak-resistant seal.

Q: Can this plug be used on ice chests and fish wells?

A: Absolutely. This drain bung plug is versatile and works great on boat transoms, fish wells, ice chests, live well tanks, bait tanks, and other marine accessories with standard 19mm thread drain openings.