Quick Summary
This is a 2-pack marine transom drain plug set for a 1 inch hole. It uses a screw type design with an O-ring and is intended for boat transoms and other drain openings where a threaded plug is needed.
The plug is described as a black nylon part with replace part number DP-1-DP. The listed flange dimensions are 2 inches long by 1-1/2 inches wide, which helps with fit planning for the opening and surrounding surface.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Pack quantity | 2 pieces, which matters if you need a spare or a matching pair. |
| Hole size | Fits a 1 inch diameter hole. |
| Design | Threaded screw type drain plug with an O-ring. |
| Color | Black. |
| Material | Nylon. |
| Replacement part number | DP-1-DP. |
| Flange dimensions | 2 inches L x 1-1/2 inches W, which helps when checking available mounting space. |
What to Compare Before Buying
- Opening size: This plug is for a 1 inch diameter hole. Measure the drain opening before choosing an offer.
- Quantity: The set includes 2 pieces. Confirm that a 2-pack matches what you need.
- Mounting space: The flange measures 2 inches by 1-1/2 inches. Check the surrounding area for enough room.
- Part match: The replacement part number is DP-1-DP. Compare that code if you are matching an existing part.
Before You Decide
Confirm the 1 inch hole size, the 2-piece pack quantity, and the DP-1-DP part number before you choose an offer. If the flange size matters to your installation, compare the 2 inch by 1-1/2 inch dimensions with the available space.





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