Identify Sea-Dog Marine Drink Holders by Cutout, Mount & MPN
Replacing a marine drink holder? Start by checking whether the existing piece drops into a round opening or folds against a vertical surface. Sea-Dog makes both styles, but the mounting dimensions and installation hardware are different. This reference identifies four currently listed Sea-Dog holders so you can compare the actual opening or screw positions before buying a replacement.
Recessed versus folding drink holders
Sea-Dog model identification and mounting chart
| MPN | Style | Cutout or fasteners | Distinguishing features |
|---|---|---|---|
| 588060 | Flush mount | 3¾ in circular cutout | Black, with drain holes |
| 588065 | Flush mount | 3⅝ in circular cutout | 304 stainless; drain fitting; gasket |
| 588220-1 | Surface mount | Four #6 flat-head fasteners | Black; folds to 1 in depth |
| 588221-1 | Surface mount | Four #6 flat-head fasteners | White; folds to 1 in depth |
These openings are not the same. Sea-Dog specifies 3¾ inches for 588060 and 3⅝ inches for 588065. Do not assume a stainless drink holder will drop straight into an opening intended for the black holder without checking the original cutout, flange coverage and remaining support material.
What to measure on your boat or RV
- For a flush holder: Measure the actual cutout across its diameter, the available depth beneath the surface and the clearance around nearby hardware or plumbing.
- For a drain fitting: Confirm that a safe drain route is available. Sea-Dog specifies ¼-inch drain tubing for 588065, and that tubing is not included.
- For a folding holder: Check the mounting surface for four suitable fastener locations. Both folding models use #6 flat-head fasteners, which Sea-Dog lists as not included.
- Check the container size: Folding holders accommodate cups up to 3⅞ inches in diameter. Check large insulated tumblers, mug handles and obstructions separately.
- Match the colour and finish: 588220-1 is black, 588221-1 is white, 588060 is a black recessed holder and 588065 has a stainless finish.
Find the matching Sea-Dog drink holder
These links lead to corresponding listings on UsedRVParts.ca. Check each item's stated condition and availability; the store carries both brand-new and used products. Eligible used parts can be viewed or picked up in Kelowna by appointment.
Additional marine fitting references
If you are replacing other boat deck hardware, our Sea-Dog cleat identification page and hatch and offset hinge guide can help you compare nearby marine fittings by type and part number.
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