Click to enlargeAttwood SWIVL-EZE LakeSport 2-3/8" Seat Mount w/Friction Control - Aluminum
Manufacturer: Attwood MarinePart #: 818440SKU: 89059
- 3°
- Aluminum
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Item #: 89059
Category: Seating
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Description
SWIVL-EZE LakeSport 2-3/8" Seat Mount with Friction Control - Aluminum LakeSport Seat Mount is 2-3/8 inch Locking AO-Aluminum, with Friction Control, 3 Degree Tilt, ABYC Code - AO, Installed Height - 5/8 inch, Bulk Packaging. Hardware is Engineered to Exceed ABYC Standards Type A/Operator Models lead the industry with these features: Ergonomic positive-locking handles with stainless steel components inch-Slot inch locking channels (on adjustable-height models) are the safest manual adjustment available.
All Models are reinforced for strength: All LakeSport posts are swaged and welded to the bases Bases have underside ribs for superior strength.
Specifications
| Brand | Attwood Marine |
|---|---|
| Part Number | 818440 |
| EverTide SKU | 89059 |
| UPC | 014599818441 |
| Material | Aluminum |
| Beam Angle | 3° |
Specifications are provided by the manufacturer. Confirm fitment for your application before ordering, or contact us and we'll help.
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Returns & warranty
Returns are accepted within 30 dayson items that are unused and in their original packaging. Some items may be subject to a manufacturer restocking fee. Special-order items may not be eligible — if you're unsure, ask us before ordering.
Attwood Marine productscarry the manufacturer's standard warranty. For a warranty claim or a return authorization, see our full returns policy or contact us.
Boat Outfitting — frequently asked
- What material should marine hardware be made of?
- For most exposed hardware, 316 stainless steel is the marine standard — it resists salt corrosion far better than 304 stainless or plated steel. Marine-grade aluminum, UV-stabilized nylon, and King StarBoard are also common for non-structural fittings.
- How do I know a replacement seat or hatch will fit?
- Measure the mounting pattern (bolt spacing), the cutout or base dimensions, and any post diameter or height on the part you’re replacing. Match those to the new part’s specs — outfitting parts follow common sizes but are not universal, so confirming dimensions avoids returns.
- Do I need backing plates for deck hardware?
- For anything that takes load — grab rails, cleats, ladder steps, seat pedestals — yes. A backing plate spreads the load across a larger area of the deck or transom so fasteners don’t pull through under stress.
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