---
product_id: 615655864
title: "Trailer Axle Kits with 4 on 4\" Bolt Idler 1\" Hub & Round Bt8 Spindle - Set of 2"
brand: "1409kmt"
price: "$343.91"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/615655864-trailer-axle-kits-with-4-on-4-bolt-idler-1
store_origin: US
region: United States of America
---

# 4 on 4" bolt pattern for secure fit 1,250 lbs per hub load capacity 1" spindle diameter for standard compatibility Trailer Axle Kits with 4 on 4" Bolt Idler 1" Hub & Round Bt8 Spindle - Set of 2

**Brand:** 1409kmt
**Price:** $343.91
**Availability:** ✅ In Stock

## Summary

> 🚛 Upgrade your trailer’s backbone with strength and precision!

## Quick Answers

- **What is this?** Trailer Axle Kits with 4 on 4" Bolt Idler 1" Hub & Round Bt8 Spindle - Set of 2 by 1409kmt
- **How much does it cost?** $343.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/615655864-trailer-axle-kits-with-4-on-4-bolt-idler-1)

## Best For

- 1409kmt enthusiasts

## Why This Product

- Trusted 1409kmt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Standard Spindle Fit:** 1" round BT8 spindle fits standard length spindles, no short spindle hassles.
- • **Precision Bolt Pattern:** 4 on 4" bolt pattern ensures a rock-solid, vibration-free connection.
- • **Heavy-Duty Load Support:** Each hub supports up to 1,250 lbs, combined kit handles 2,000 lbs effortlessly.
- • **Complete Installation Kit:** Includes bearings, cotter pins, grease seals, dust caps, and lug nuts for a seamless setup.
- • **Premium Stainless Steel Build:** Durable, corrosion-resistant materials engineered for long-lasting performance.

## Overview

This set of two Trailer Axle Kits features 4 on 4" bolt idler hubs rated at 1,250 lbs each, combining for a 2,000 lbs load capacity. Designed with a 1" round BT8 spindle for standard spindle compatibility, the kit includes all necessary hardware for installation. Crafted from high-quality stainless steel, these aftermarket replacements ensure durability and reliable performance for your trailer needs.

## Description

Trailer Axle Kits with 4 on 4" Bolt Idler 1" Hub & Round Bt8 Spindle - Set of 2

## Features

- This Trailer Axle Kit (pack of 2) with 4 on 4" Bolt Idler 1" Hub & Round BT8 Spindle .
- Each hub is rated to 1,250 lbs , when used together can support up to 2,000 lbs. This hub fits standard length spindles, not "short spindles" .
- Specifications:Axle Shaft Dia: 1-1/4" Steps down to 1" at Bearings,Axle Shaft Overall Length: 8-3/4",Hub Stud Length: 1-3/16",Stud Size: 7/16",Hub Dia: 5-1/2",C to C Bolt Pattern: - 2-7/8".
- Package Includes:2 x BT8 4-4" Trailer Hub,2 x BT8 1" Trailer Spindle,4 x L44643 Bearing,2 x Cotter Pin,2 x 1" Spindle Nut & Washer,2 x 1-1/4" ID x 2" OD Grease Seal,2 x Dust Cap,10 x Cone Style Lug Nut.
- 100% Brand New Aftermarket Replacement , Made of high quality stainless steel . If you have any question please feel free to contact us , we will reply you in 24 hours .

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | LANHO AUTO PARTS |
| Brand | 1409KMT |
| Model | Trailer Axle Kits |
| Item Weight | 18.57 pounds |
| Package Dimensions | 14.53 x 12.6 x 5.71 inches |
| Item model number | KMT-OT001430 |
| Manufacturer Part Number | KMT-OT001430 |

## Images

![Trailer Axle Kits with 4 on 4" Bolt Idler 1" Hub & Round Bt8 Spindle - Set of 2 - Image 1](https://m.media-amazon.com/images/I/61OvwVMk+qL.jpg)

## Frequently Bought Together

- 1409KMT Trailer Axle Kits with 4 on 4" Bolt Idler 1" Hub & Round Bt8 Spindle - Set of 2
- eCustomrim 2-Pack Trailer Tires On Rims 4.80-8 480-8 4.80 X 8 8 in. Load Range B 4 Lug Bolt Wheel White - 2 Year Warranty w/Free Roadside
- Straight Trailer Coupler 2" Ball 2" Channel Width 3500 LBSTrailer Tongue Coupler

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-18*