Removing a boat drain plug or replacing a flanged tube? The original part may be a twist-tightening bailer plug, a snap-action plug, a threaded garboard fitting or the tube itself. Identify the mechanism first, then measure the tube's outside diameter and length before choosing the matching Moeller part number.
Recognize the drain style first
Seals a matching drain opening using a twist, snap or threaded mechanism.
Creates the physical opening through a transom, motorwell, livewell or baitwell.
Helps form or mount a compatible drain; not a substitute for the final sealing plug.
Check the old plug's mechanism
Match the handle and seal type with the original plug before checking its nominal size.
| Part number | Type | Listed size | Construction |
|---|---|---|---|
| 02089910 | Turn-Tite bailer plug | 1-inch nominal | Brass and sealing component |
| 02900010 | Snap-Tite bailer plug | 1-inch nominal | Brass and rubber seal |
| 05305610 | Snap-down drain plug | 1-inch nominal | Brass and rubber seal |
| 05306110 | T-handle twist plug | 1-inch nominal | Brass and rubber seal |
Compare original tube OD and length
The tube dimensions describe outside diameter and length, not the plug's nominal size.
| Part number | Type | Outside diameter × length | Material |
|---|---|---|---|
| 021002188D | Aluminum flanged tube | 1-inch OD × 1⅞-inch length | Aluminum |
| 021002225D | Aluminum flanged tube | 1-inch OD × 2¼-inch length | Aluminum |
| 021003188D | Brass flanged tube | 1-inch OD × 1⅞-inch length | Brass |
| 021003600D | Brass flanged tube | 1-inch OD × 6-inch length | Brass |
| 021253225D | Brass flanged tube | 1¼-inch OD × 2¼-inch length | Brass |
| 021253300D | Brass flanged tube | 1¼-inch OD × 3-inch length | Brass |
Related motorwell, garboard and flanging parts
Some parts in this family are fittings or tools rather than interchangeable one-inch bailer plugs.
| Part number | Hardware | Reference size | Material or use |
|---|---|---|---|
| 020300-10 | Motorwell drain tube | 1-inch OD | Plastic tube |
| 020309-10 | Garboard drain plug | ½-inch threaded fitting | Stainless steel |
| 020700-00 | Drain-tube flanging tool | 1-inch OD tube tool | Installation tool |
| 020848-001 | Aluminum drain fitting kit | 1-inch drain fitting kit | Aluminum |
Measurements to take before ordering
Check the removed plug for its locking action and sealing rubber. If replacing a tube, measure its outside diameter, length beneath the flange, transom thickness and surrounding metal. A 1¼-inch tube will not replace a 1-inch tube without an appropriately engineered opening. Threaded garboard fittings also need a matching thread, not a rubber-seal plug.
Moeller lists compatible families of plugs and flanged tubes, but the nominal plug diameter does not by itself confirm the fit of a specific existing drain. Confirm the replacement against the actual fitting and installation instructions before use on the water.
Moeller part numbers in the catalog
Open each listing for its current details and availability.

Moeller 02089910
Look for a 1-inch brass Turn-Tite bailer plug rather than a snap-action plug.
Check item details and availability
Moeller 02900010
Recognize the Snap-Tite mechanism and 1-inch nominal plug size on the original part.
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Moeller 05305610
Compare the original lever action and rubber plug body with the snap-down type.
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Moeller 05306110
The T-handle is the distinguishing feature; confirm plug and drain dimensions.
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Moeller 021002188D
Check the short 1⅞-inch length and aluminum finish against the removed tube.
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Moeller 021002225D
One-inch OD aluminum tube, 2¼ inches long; measure the original tube beneath the flange.
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Moeller 021003188D
Brass construction distinguishes this model from the similarly sized aluminum 021002188D.
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Moeller 021003600D
Look for the substantially longer six-inch brass section; confirm flange and tube diameter.
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Moeller 021253225D
The 1¼-inch OD separates this tube from the visually similar one-inch series.
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Moeller 021253300D
Check both the 1¼-inch OD and three-inch length; do not rely on length alone.
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Moeller 020300-10
A separate motorwell drain component, not a brass or aluminum flanged tube of identical construction.
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Moeller 020309-10
Identify the threaded ½-inch garboard type rather than confusing it with a push-in plug.
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Moeller 020700-00
A flanging tool used during tube installation, not a permanent drain fitting.
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Moeller 020848-001
This fitting kit has a different role from a loose tube or separate sealing plug.
Check item details and availabilityMore marine plumbing references
Identify marine livewell fittings and pumps · Identify Attwood bilge pump parts
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