---
product_id: 15597627
title: "Attwood SP-37904 2\" Wedge Extension Post - 13\" to 19\""
brand: "attwood"
price: "8661742₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/15597627-attwood-sp-37904-2-wedge-extension-post-13-to-19
store_origin: VN
region: Vietnam
---

# Adjustable height 13-19 inches 2-point stainless steel riveting Heavy-duty crush rib bushings Attwood SP-37904 2" Wedge Extension Post - 13" to 19"

**Brand:** attwood
**Price:** 8661742₫
**Availability:** ✅ In Stock

## Summary

> ⚓ Elevate your boating game with rock-solid, adjustable power pedestals!

## Quick Answers

- **What is this?** Attwood SP-37904 2" Wedge Extension Post - 13" to 19" by attwood
- **How much does it cost?** 8661742₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/15597627-attwood-sp-37904-2-wedge-extension-post-13-to-19)

## Best For

- attwood enthusiasts

## Why This Product

- Trusted attwood brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lock-In Confidence:** Type B seat mounts lock securely into the post, engineered to prevent any unintentional detachment—ride worry-free.
- • **Heavy-Duty Durability:** Exclusive crush ribs and peripheral bearing system deliver unmatched strength and smooth operation in rough conditions.
- • **Reinforced Base Design:** Strong base with reinforcing ribs and bead-blasted finish resists corrosion and withstands the toughest marine environments.
- • **Effortless Adjustability:** Patented J-Slot and precisely positioned locking tab provide quick, secure height adjustments from 13 to 19 inches.
- • **Precision-Engineered Stability:** Satin-anodized tubing with exact sizing ensures a sleek, durable fit that won’t loosen under pressure.

## Overview

The Attwood Wedge™ 2 Adjustable Height Posts offer precision-engineered, satin-anodized aluminum tubing with a patented locking system and heavy-duty crush rib bushings. Designed for secure Type B seat mounts, these pedestals provide adjustable heights from 13 to 19 inches, reinforced bases for durability, and corrosion-resistant finishes—perfect for professional boaters demanding reliability and style.

## Description

Attwood SP-37904 2" Wedge Extension Post - 13" to 19"

## Features

- Tubing is precisely-sized and satin-anodized finished
- Engineered to prevent unintentional detachment
- Type B seat mounts are designed to lock into the post
- Size: 13" to 19"
- Type B seat mounts are designed to "lock" into the post. Engineered to prevent unintentional detachment
- Heavy-duty bushing with peripheral bearing system and exclusive "crush ribs" are individually sized for exact fit
- Tubing is precisely-sized and satin-anodized finished. Tubing comes in several styles. Pedestals come in several lengths, including patented "J-Slot"
- Precisely positioned locking tab positively locks post to base. Wedge bushing locks in with a tight, solid fit. 2-Point stainless steel riveting strengthens the bushing
- Strong base design has reinforcing ribs and improved profile to withstand the toughest conditions. Bead blasting closes aluminum porosity. Brushing process provides long-lasting high-sheen finish

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 18 x 9 x 7.1 inches |
| Package Weight | 2.2 Kilograms |
| Item Dimensions  LxWxH | 3 x 13 x 19 inches |
| Item Weight | 2.2 Kilograms |
| Brand Name | attwood |
| Model Name | Attwood Boat Seating Accessories |
| Color | Unspecified |
| Suggested Users | unisex-adult |
| Manufacturer | Attwood |
| Part Number | SP-37904 |
| Style | Post |
| Included Components | End Product & Information |
| Size | 13" to 19" |
| Sport Type | Boating |

## Images

![Attwood SP-37904 2" Wedge Extension Post - 13" to 19" - Image 1](https://m.media-amazon.com/images/I/713JPUCBcyL.jpg)

## Available Options

This product comes in different **Size, Style Name** options.

## Questions & Answers

**Q: does this come with seat mount?**
A: The mount yes, the seat, no

**Q: Does this fit a 2 3/8 inch base?**
A: As far as I know there are basically two-three types of posts for boat seats, and if yours has a little triangle wedge on your base this will fit.

**Q: If you buy the used can it be returned?**
A: Don't know,I never tried to return it.

**Q: Will this fit a 1988 alumicraft?**
A: Bought as a Gift. But they appear to be universal. My friends boat is aluminum and older not sure of the year

## Frequently Bought Together

- Attwood Wedge™ 2 3/8-Inch Extension Posts, Adjustable Height Posts - Power Pedestals (w/ Integral Seat Mount), available in 13 to 19 Inches and 24 to 30 Inches
- Attwood SP-68914 Wedge 2-Inch Base Plate, Round, 9-Inch Diameter, Brushed Aluminum, Extends 2 Inches Below Deck
- Attwood 98505GY Casting Seat, Marine-Grade Vinyl Exterior, Universal Seat, 15 inches W x 11 inches D x 6 inches H

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**Shop now:** [https://www.desertcart.vn/products/15597627-attwood-sp-37904-2-wedge-extension-post-13-to-19](https://www.desertcart.vn/products/15597627-attwood-sp-37904-2-wedge-extension-post-13-to-19)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-22*