---
product_id: 499712160
title: "SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8\" Round Axle, 1/2” Diameter, 2\" Thread Pitch"
brand: "sparkwhiz"
price: "KD 20.46"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/499712160-sparkwhiz-trailer-u-bolt-kit-5-1-2-inch-u
store_origin: KW
region: Kuwait
---

# 1/2" Diameter 5-1/2" Length 3,500 lb Capacity SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch

**Brand:** sparkwhiz
**Price:** KD 20.46
**Availability:** ✅ In Stock

## Summary

> 🔧 Secure Your Ride with Confidence!

## Quick Answers

- **What is this?** SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch by sparkwhiz
- **How much does it cost?** KD 20.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/499712160-sparkwhiz-trailer-u-bolt-kit-5-1-2-inch-u)

## Best For

- sparkwhiz enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit:** Designed specifically for 3,500 lb round axles with a 2-3/8" diameter, guaranteeing a seamless installation experience.
- • **Easy Installation:** Comes with all necessary components, including hex nuts and tie plates, making setup a breeze for any DIY enthusiast.
- • **Corrosion Resistant:** Engineered to resist rust and corrosion, keeping your trailer in top shape regardless of the elements.
- • **Enhanced Performance:** Boosts your trailer's braking system efficiency, providing peace of mind on every journey.
- • **Unmatched Durability:** Crafted from high-grade steel, this U Bolt Kit is built to withstand the toughest conditions, ensuring longevity and reliability.

## Overview

The Trailer U Bolt Kit is designed for 3,500 lb trailer axles, featuring durable steel construction, a 1/2" diameter, and a 5-1/2" length. This kit includes all necessary hardware for easy installation and enhances the performance of your braking system while resisting rust and corrosion.

## Description

SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch

## Features

- For 3,500lbs round axle which axle beam dia 2-3/8"
- 4 x 5-1/2" long U bolts, U bolts dia. 1/2", 8 x 1/2"-20 hex nuts, 2 x tie plates for 1-3/4" leaf springs
- Durable steel construction. Resistant to rust and corrosion
- Enhances performance of your braking system
- Facilitates easy installation

## Product Details

- **Material:** Alloy Steel
- **Manufacturer Grade:** Class 8.8
- **Head Style:** Round, Hex
- **Fastener Type:** U-Bolt
- **Brand:** SPARKWHIZ

## Images

![SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch - Image 1](https://m.media-amazon.com/images/I/71lpwweCocL.jpg)
![SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch - Image 2](https://m.media-amazon.com/images/I/61Z5x9tpFiL.jpg)
![SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch - Image 3](https://m.media-amazon.com/images/I/71vtf7gBTUL.jpg)
![SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch - Image 4](https://m.media-amazon.com/images/I/61XhEENCTPL.jpg)
![SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch - Image 5](https://m.media-amazon.com/images/I/71FideQtdpL.jpg)

## Frequently Bought Together

- SPARKWHIZ Trailer U Bolt Kit, 5-1/2 inch U Bolt for 3,500 lb Trailer Axle, 2-3/8" Round Axle, 1/2” Diameter, 2" Thread Pitch
- 4 Pack 9/16"-18 x 3" Long Trailer Leaf Spring Shackle Bolts w/Lock Nuts, fit for 1-3/4” Wide Leaf Spring & Double Eye Leaf Springs, for 2,000lb and 3,500lb Axles
- Dorman 929-1031 Utility Trailer Leaf Spring, Eye/Eye, 1 3/4" Width, 26" Length, 4 1/4" Arch, 4 Leaf, 2000lb Capacity

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**Shop now:** [https://www.desertcart.com.kw/products/499712160-sparkwhiz-trailer-u-bolt-kit-5-1-2-inch-u](https://www.desertcart.com.kw/products/499712160-sparkwhiz-trailer-u-bolt-kit-5-1-2-inch-u)

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-01*