Replace a worn or questionable transom drain plug before the next launch day surprise.
Choose 316 stainless steel or brass to match your boat hardware preference.
2 inch outer ring gives room to seal the plug housing to the transom.
Standard 1/2 inch threaded drain plug is designed for common garboard drain setups.
Kit includes screws for attaching the thru hull plug housing.
More Details
Available in stainless steel and brass variants.
Stainless variant is described as 316 stainless steel.
Outer ring measures 2 inches.
Includes standard 1/2 inch threaded drain plug.
Includes screws for attaching the thru hull plug housing.
Description
This boat drain plug kit is made for replacing the transom garboard drain plug and housing with a fresh stainless steel or brass option. It is a simple but important maintenance item for owners who do not want to gamble on worn threads, tired hardware, or a loose plug.
The kit includes a 2 inch outer ring, standard 1/2 inch threaded plug, and screws for attaching the thru hull plug housing. Pair it with marine sealant sold separately during installation.
Our Shipping Rates and Speeds
All orders under $60 ship for $6.99
Orders over $60 ship for FREE
You can expect to receive your items in 3 to 7 days in almost all scenarios
90% of orders arrive in 4 days or less
Try our boat drain plug kit risk free for 30 days. If you are not satisfied, get a full refund.
Installation
Install the 1/2 inch threaded boat plug housing using the included screws. The 2 inch outer ring allows space to adequately seal the plug housing to the boat. Use marine sealant for an extra watertight fit.
Use
Thread the plug securely into the housing to help prevent leaks. Inspect the plug and housing regularly and replace if worn or damaged.
A Plug That Seats Tight, Not One That Can Slip Through
Better Boat Tapered Plug
Standard Straight Plug
Wedges tight, cannot push through
316 stainless steel or brass
2 inch ring seals to the transom
Includes the housing screws
Fits a standard drain plug wrench
Standard 1/2 inch garboard thread
Creates A Watertight Seal
Threaded plug and flange help keep water out of the bilge.
Reliable Drainage Point
Garboard kit gives your transom a secure drain and plug setup.
Corrosion Resistant Metal
Brass and stainless options stand up to demanding marine use.
Tightens As It Turns
Tapered pipe thread helps improve sealing as the plug is secured.
Threads In, Seats Tight, Stays Put
A Drain Plug That Can't Push Through Under Pressure
The plug threads into the housing on a taper, so it wedges tighter the further it turns instead of passing straight through. Combined with the 2 inch ring sealed to the transom, that keeps water out at speed or under pressure, with no risk of the plug working loose into the boat.
Made for:
Transom garboard drains
Stainless or brass hardware matching
Seasonal haul out and re launch
Replacing a worn plug and housing
Customer Reviews
Frequently Asked Questions
Yes, the kit includes screws for attaching the plug housing to the transom through the pre-drilled mounting holes.
The outer ring/flange is 2 inches in diameter on both material options, giving enough surface area to seal the drain plug housing to the transom with marine sealant.
Yes, the 1-inch square-head plug is designed to work with a standard boat drain plug wrench for easy installation and removal.
Brass Drain Plug Kit: The kit comes with a standard-sized 1/2-inch precisely threaded brass boat drain plug designed for high flow and a perfect seal. Stainless Drain Plug Kit: The kit comes with a standard-sized 1/2-inch precisely tapped 316 stainless steel boat drain plug designed for high flow and a perfect seal.
Yes. The kit is available in either 316 stainless steel or brass, and both material options are designed for corrosion resistance in marine environments.
The bore diameter for the threaded section is 0.84 inches, while the total height of the assembly is 5/8 of an inch.
Both options are durable marine drain plug materials. Choose 316 stainless steel if you want the highest corrosion resistance and a stainless look that matches other stainless hardware. Choose brass if you prefer a traditional brass garboard drain plug material.
This garboard drain kit requires a standard 1-inch diameter hole in your transom for the housing to fit properly.
Yes, the 2-inch outer ring provides a large surface area for marine sealant to create a watertight bond against your hull.
Precision tapping ensures the threads match the flange perfectly, creating a watertight seal that won't allow drips while your boat is in the water.
