---
product_id: 31916781
title: "OLSAinny Sudopo WONDEE 4-Leaf Double-Eye Trailer Leaf Spring 1750 lbs for 3500 lbs axle"
brand: "wondee"
price: "HK$868"
currency: HKD
in_stock: false
reviews_count: 8
url: https://www.desertcart.hk/products/31916781-olsainny-sudopo-wondee-4-leaf-double-eye-trailer-leaf-spring
store_origin: HK
region: Hong Kong
---

# 25.25" eye-to-eye length 9/16" dual bushings 1750 lbs load capacity OLSAinny Sudopo WONDEE 4-Leaf Double-Eye Trailer Leaf Spring 1750 lbs for 3500 lbs axle

**Brand:** wondee
**Price:** HK$868
**Availability:** ❌ Out of Stock

## Summary

> 🚛 Elevate your trailer’s strength with precision-engineered suspension power!

## Quick Answers

- **What is this?** OLSAinny Sudopo WONDEE 4-Leaf Double-Eye Trailer Leaf Spring 1750 lbs for 3500 lbs axle by wondee
- **How much does it cost?** HK$868 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/31916781-olsainny-sudopo-wondee-4-leaf-double-eye-trailer-leaf-spring)

## Best For

- wondee enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** Exact 25-1/4" eye-to-eye length ensures seamless replacement compatibility
- • **Heavy-Duty Strength:** Supports up to 1,750 lbs per spring for reliable 3,500 lbs axle performance
- • **Durable Construction:** Four-leaf design crafted for long-lasting resilience under heavy loads
- • **Smooth Ride Assurance:** Dual 9/16" bushings reduce noise and vibration for enhanced towing comfort
- • **Universal Compatibility:** Direct replacement for multiple SKUs including SW4B, LIB-401-DE, and more

## Overview

The OLSAinny Sudopo WONDEE 4-Leaf Double-Eye Trailer Leaf Spring delivers a robust 1,750 lbs capacity per spring, designed for standard 3,500 lbs trailer axles. Featuring a precise 25-1/4" eye-to-eye length and dual 9/16" bushings, this durable four-leaf spring ensures a smooth, stable ride and fits multiple OEM replacement SKUs for hassle-free installation.

## Description

One new trailer leaf spring: double eye, 4-leaf, 1,750 lbs for 3,500 lbs trailer axle. This is the most commonly used standard spring for 3,500 lbs trailers in the market.

## Features

- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring);
- One spring with 1,750 lbs capacity for standard 3,500 lbs trailer axle;
- Eye to Eye length: 25-1/4", free open: 3", width of leaf: 1-3/4", 4 leaves, 9/16" bushing dia;
- 2 bushings installed, 9/16" bushing dia;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | WONDEE |
| Brand | WONDEE |
| Item Weight | 11.73 pounds |
| Package Dimensions | 27.3 x 6 x 2 inches |
| Item model number | DETS-212 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 41701 |

## Images

![OLSAinny Sudopo WONDEE 4-Leaf Double-Eye Trailer Leaf Spring 1750 lbs for 3500 lbs axle - Image 1](https://m.media-amazon.com/images/I/41EUgSuGy2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by M***D on December 21, 2018*

Worked great

### ⭐⭐⭐⭐⭐ arrived pretty much as expected
*by D***S on January 24, 2017*

Yup, it's a leaf spring. Dimensions were exactly as advertised, and it shipped quickly, arrived pretty much as expected.I promptly disassembled it, as I only needed the second and third leaves for my project, so I cannot really speak to the quality of the bushings, or whether the spring as a whole is up to snuff..but it appeared to be made as well as any other leaf spring I've worked with, and the bits I did use are performing admirably.

### ⭐⭐⭐⭐⭐ nice ride.
*by E***A on September 8, 2017*

Poped right in there .... nice ride ... wish i woulda put the next weight of spring on thow ... good deal

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**Shop now:** [https://www.desertcart.hk/products/31916781-olsainny-sudopo-wondee-4-leaf-double-eye-trailer-leaf-spring](https://www.desertcart.hk/products/31916781-olsainny-sudopo-wondee-4-leaf-double-eye-trailer-leaf-spring)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-10*