---
product_id: 451916400
title: "ONHI Adjustable Aluminum Boat Seat Pedestal 14-20 Inch Height with Slide, Locking Mechanism, Silver Matte Brushed Finish, Ideal for Fishing Boats and Marine Vessels"
brand: "onhi"
price: "$473"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/451916400-onhi-adjustable-aluminum-boat-seat-pedestal-14-20-inch-height
store_origin: NZ
region: New Zealand
---

# 14-20 inch adjustable height 360° swivel with locking knob Anodized aluminum corrosion-resistant ONHI Adjustable Aluminum Boat Seat Pedestal 14-20 Inch Height with Slide, Locking Mechanism, Silver Matte Brushed Finish, Ideal for Fishing Boats and Marine Vessels

**Brand:** onhi
**Price:** $473
**Availability:** ✅ In Stock

## Summary

> ⚓ Elevate your fishing game with comfort and style on every wave!

## Quick Answers

- **What is this?** ONHI Adjustable Aluminum Boat Seat Pedestal 14-20 Inch Height with Slide, Locking Mechanism, Silver Matte Brushed Finish, Ideal for Fishing Boats and Marine Vessels by onhi
- **How much does it cost?** $473 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/451916400-onhi-adjustable-aluminum-boat-seat-pedestal-14-20-inch-height)

## 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:** Wide 9-inch base with precision mounting holes ensures maximum support and shock absorption.
- • **Custom Comfort Control:** Effortlessly adjust seat height and slide for perfect visibility and ergonomic support.
- • **Built to Brave the Waves:** Durable anodized aluminum frame resists corrosion and withstands marine conditions season after season.
- • **360° Freedom of Movement:** Smooth swivel action with secure locking lets you pivot and access every corner of your boat.
- • **Universal Fit, Professional Grade:** Compatible with all seat brands and meets Class AD safety standards for peace of mind on the water.

## Overview

The ONHI Adjustable Aluminum Boat Seat Pedestal offers a versatile 14-20 inch height range and 7-inch slide for personalized comfort. Crafted from corrosion-resistant anodized aluminum with a sturdy 9-inch base, it supports stability and durability in marine environments. Featuring 360° swivel rotation with locking capability and universal compatibility, this lightweight 9-pound pedestal meets Class AD safety standards, making it an essential upgrade for fishing boats and marine vessels.

## Description

ONHI Adjustable Aluminum Boat Seat Pedestal 14-20 Inch Height with Slide, Locking Mechanism, Silver Matte Brushed Finish, Ideal for Fishing Boats and Marine Vessels

## Features

- Adjustable Height and Improved Comfort,Our boat seat features a height adjustment range of 14-20 inches and a 7-inch travel seat slide. 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 |
|---------------|-------|
| Brand | ONHI |
| Color | Silver |
| Orientation | Front |
| Material | Aluminum |
| Vehicle Service Type | Fishing Boat |
| Seat Width | 20 Inches |
| Fit Type | Universal Fit |
| Item Weight | 9 Pounds |
| Automotive Fit Type | Universal Fit |
| Manufacturer | ONHI |
| UPC | 793811441819 |
| Model | pedestal |
| Item Weight | 9 pounds |
| Product Dimensions | 10 x 10 x 15 inches |
| Item model number | 001 |
| Exterior | Polished |
| Manufacturer Part Number | 001 |

## Product Details

- **Brand:** ONHI
- **Color:** Silver
- **Orientation:** Front
- **Material:** Aluminum
- **Vehicle Service Type:** Fishing Boat

## Images

![ONHI Adjustable Aluminum Boat Seat Pedestal 14-20 Inch Height with Slide, Locking Mechanism, Silver Matte Brushed Finish, Ideal for Fishing Boats and Marine Vessels - Image 1](https://m.media-amazon.com/images/I/61us1U70VKL.jpg)

## Available Options

This product comes in different **Style** options.

## 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,

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**Shop now:** [https://www.desertcart.nz/products/451916400-onhi-adjustable-aluminum-boat-seat-pedestal-14-20-inch-height](https://www.desertcart.nz/products/451916400-onhi-adjustable-aluminum-boat-seat-pedestal-14-20-inch-height)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-18*