Sea-Dog Bronze Replacement Plug for Garboard Drain Fitting – 1/2" Pipe, 2" Flange
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Bronze Replacement Plug for Sea-Dog Garboard Drain Fittings
This bronze replacement plug is the correct serviceable insert for Sea-Dog garboard drain fittings. Garboard drain plugs are installed at the lowest point of the hull to allow the bilge to drain completely when the boat is on the trailer — and this plug is what keeps water out when you're back on the water.
Bronze construction provides excellent corrosion resistance in both saltwater and freshwater environments and is the traditional material of choice for below-waterline fittings. The 2" flange seats firmly against the fitting body, and the #8 FH fastener secures the plug in place for a reliable seal.
Key Features
- Bronze construction — corrosion-resistant and suited for below-waterline use
- 2" flange diameter for a secure, flush seat against the fitting
- 1/2" pipe size
- #8 FH fastener included
- Replacement plug for Sea-Dog 520040 garboard drain fittings
Specifications
- SKU: 354-5200411
- Material: Bronze
- Flange Diameter: 2"
- Pipe Size: 1/2"
- Fastener: #8 FH
- Weight: 61 g
Parts Desk Insights
Best Use Case: The correct replacement when the plug on a Sea-Dog 520040 garboard drain fitting is lost, damaged, or corroded. Garboard plugs are easy to lose at the ramp — keeping a spare aboard is good practice. Always inspect the plug and its seating surface before launching; a worn or improperly seated garboard plug is a common cause of unexpected water ingress. For nylon drain plug options in other sizes, see the Sea-Dog Replacement Drain Plug for Cockpit Drain Fitting – 1-1/8" Tube and the Sea-Dog Replacement Nylon Drain Plug – 1" Hole, Pack of 30.
Note: This plug is designed specifically for the Sea-Dog 520040 garboard drain fitting. Confirm your fitting model before ordering.
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.