--- product_id: 650288356 title: "Aluminum Adjustable Height Locking Boat Seat Pedestal 13-Inch to 19-Inch,Silver Polished" brand: "onhi" price: "¥104655" currency: JPY in_stock: true reviews_count: 5 category: "Onhi" url: https://www.desertcart.jp/products/650288356-aluminum-adjustable-height-locking-boat-seat-pedestal-13-inch-to store_origin: JP region: Japan --- # 13-19 inch adjustable height 360° swivel rotation Anodized aluminum corrosion-resistant Aluminum Adjustable Height Locking Boat Seat Pedestal 13-Inch to 19-Inch,Silver Polished **Brand:** onhi **Price:** ¥104655 **Availability:** ✅ In Stock ## Summary > ⚓ Elevate your boating game with comfort and control! ## Quick Answers - **What is this?** Aluminum Adjustable Height Locking Boat Seat Pedestal 13-Inch to 19-Inch,Silver Polished by onhi - **How much does it cost?** ¥104655 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/650288356-aluminum-adjustable-height-locking-boat-seat-pedestal-13-inch-to) ## Best For - onhi enthusiasts ## Why This Product - Trusted onhi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rock-Solid Stability:** 9" diameter base with precision mounting holes ensures maximum support and shock absorption. - • **Built to Brave the Waves:** Durable anodized aluminum with polished finish resists corrosion and withstands marine conditions. - • **Smooth 360° Swivel Mobility:** Effortlessly rotate your seat to access every corner of your boat with a secure locking knob. - • **Tailored Comfort at Every Inch:** 7 lock-in height positions from 13" to 19" for perfect visibility and ergonomic support. - • **Universal Fit, Professional Grade:** Compatible with all seat brands and meets Class AD safety standards for peace of mind. ## Overview The ONHI Aluminum Adjustable Height Locking Boat Seat Pedestal offers a versatile 13"-19" height range with 7 secure positions, a 360° swivel for enhanced mobility, and a robust anodized aluminum build that resists corrosion. Its 9" diameter base provides stable support, fitting all seat brands and meeting Class AD safety standards, making it the ultimate upgrade for serious boaters seeking durability and ergonomic comfort. ## Description Material(s): Strong and durablity Anodized Aluminum,Smooth, thick wall, polished Finish. Base: 9" OD w/ 2-7/8" diameter holes seat mount with 360°swivel. Height: Adjustable from 13"-19" high and 7 lock-in positions Compatible:Fits all brands of Seats meets Class AD ( Drive Grade) Standards Weight: 7LB Review: best seller - funciona maravillosamente , recomendó a todos Review: Quality made ## Features - ❤[Adjustable Height and Improved Comfort] Our seat offers adjustable height ranging from 13"-19" with 7 lock-in positions. This allows you to easily adjust the height of your seat using a single lever, enhancing your visibility and providing superior comfort on the water. - ❤[Strong and Durablity Material with Long-lasting Finish] Crafted from anodized aluminum, our seat is built to last. The smooth, thick wall and polished finish not only provide durability but also offer a corrosion-resistant feature that saves you money and the hassle of frequent replacements. - ❤[Sturdy Base for Maximum Support] Our seat features a 9" diameter base with 2-7/8" diameter holes. This provides a strong and sturdy base that can support your weight and withstand shocks from waves, ensuring the safety of your knees and back by reducing the risk of injuries. - ❤[Enhanced Mobility with 360° Rotation] With a 360° rotation and a locking knob, our seat enables you to easily rotate it in any direction. This swivel feature enhances your mobility and allows you to access different areas of your boat effortlessly. - ❤[Universal Compatibility and Meet Class AD Standards] Our seat is compatible with all brands of seats and meets Class AD (Drive Grade) Standards. It is designed to ensure safety and reliability. With a weight of just 7L, it offers lightweight convenience without compromising on quality. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09MRW4HTQ | | Auto Part Orientation | Drivers Side | | Brand | ONHI | | Brand Name | ONHI | | Colour | Boat Seat Pedestal | | Compatible with Vehicle Type | Boat | | Country of Origin | USA | | Customer Reviews | 4.8 out of 5 stars 71 Reviews | | Fit Type | Universal Fit | | Item Weight | 7 Pounds | | Manufacturer | ONHI | | Material | Aluminium | | Material Type | Aluminium | | Orientation | Drivers Side | | Seat Width | 19.0 | | UPC | 793811441802 | | Vehicle Service Type | Boat | ## Product Details - **Brand:** ONHI - **Colour:** Boat Seat Pedestal - **Material:** Aluminium - **Orientation:** Drivers Side - **Vehicle Service Type:** Boat ## Images ![Aluminum Adjustable Height Locking Boat Seat Pedestal 13-Inch to 19-Inch,Silver Polished - Image 1](https://m.media-amazon.com/images/I/61qGwCB+VxL.jpg) ## Questions & Answers **Q: Hi. What is the inside diameter of the base tube?** A: 2 inch,thank you , **Q: when fully extended to 19 inches, how much top tube is still in the base tube? I want to make sure there won't be wobble.** A: Not sure how much tube is in the base without taking the cover off my boat. But my seats are not wobbly at all, very sturdy. **Q: What screw dimensions do you recommend for attaching to 3/4” plywood flooring?** A: The seat mount is drilled for 5/16" bolts. I chose to drill them out and use 3/8" because I already had them in stock. Mine are Machine screws, Phillips oval head, Stainless steel 18-8, 3/8"-16 x 2-1/2". **Q: Do they sell The base separately for this item? I would like to be able to move the seat from original install position to a different location in th** A: The upper part is removable, ## Customer Reviews ### ⭐⭐⭐⭐⭐ best seller *by K***S on 17 February 2026* funciona maravillosamente , recomendó a todos ### ⭐⭐⭐⭐⭐ Quality made *by M***. on 1 December 2025* ### ⭐⭐⭐⭐⭐ Great *by C***R on 6 December 2025* ## Frequently Bought Together - ONHI Adjustable Aluminum Boat Seat Pedestal 13-19 Inch Height, Locking Design, Silver Polished, for Fishing Boats and Marine Vessels - Attwood 17720 Seat Swivel, for Boat Seat, 6 ¼ Inches, 0-Degrees Tilt, Aluminum, Black Power Coated - XGEAR Deluxe Low/High Back Boat Seat, Fold-Down Fishing Boat Seat --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/650288356-aluminum-adjustable-height-locking-boat-seat-pedestal-13-inch-to](https://www.desertcart.jp/products/650288356-aluminum-adjustable-height-locking-boat-seat-pedestal-13-inch-to) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-27*