---
product_id: 176882164
title: "CURT 21101 Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, YELLOW ZINC"
brand: "curt"
price: "₩706"
currency: KRW
in_stock: true
reviews_count: 9
url: https://www.desertcart.kr/products/176882164-curt-21101-trailer-hitch-ball-hole-reducer-bushing-reduces-1
store_origin: KR
region: South Korea
---

# Precision 1" to 3/4" hole reducer Universal alloy steel fit Durable yellow zinc corrosion protection CURT 21101 Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, YELLOW ZINC

**Brand:** curt
**Price:** ₩706
**Availability:** ✅ In Stock

## Summary

> 🔧 Secure your tow, ditch the wobble!

## Quick Answers

- **What is this?** CURT 21101 Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, YELLOW ZINC by curt
- **How much does it cost?** ₩706 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/176882164-curt-21101-trailer-hitch-ball-hole-reducer-bushing-reduces-1)

## Best For

- curt enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Yellow zinc finish guards against rust and corrosion
- • **Cost-Effective Upgrade:** Avoid costly new mounts by adapting existing equipment
- • **Peace of Mind Warranty:** Limited lifetime warranty backs your investment
- • **Perfect Fit Every Time:** Eliminates dangerous trailer ball wiggle for safer towing
- • **Universal Compatibility:** Fits a wide range of vehicles from trucks to golf carts

## Overview

The CURT 21101 Trailer Hitch Ball Hole Reducer Bushing expertly reduces a 1-inch diameter hole to 3/4-inch, ensuring a snug, secure fit for smaller trailer ball shanks. Crafted from durable alloy steel with a corrosion-resistant yellow zinc finish, it fits universally across various vehicles and comes backed by a limited lifetime warranty, making it the smart, cost-effective solution to prevent trailer sway and enhance towing safety.

## Description

With so many different trailer ball and ball mount sizes available, it is a possibility for a trailer ball and ball mount to be mismatched. Though we pride ourselves on offering a complete selection of towing equipment and design our products to be an exact fit for your towing application, we understand that making a minor adjustment to your towing equipment is much more cost-effective than purchasing brand new equipment. CURT reducer bushings are the fast, easy way to make your trailer ball fit snugly into your ball mount for safe, quiet towing. Installing a trailer ball with any wiggle room between the shank and ball mount hole is a recipe for disaster. It does not matter how much torque you apply to the trailer ball nut; if you have a trailer ball shank that is too small, it will eventually come loose in the ball mount platform and lead to trailer sway and even a breakaway. A CURT reducer bushing provides an effective filler for any gap that might surround your trailer ball shank. CURT reducer bushings come in three sizes to fit most standard trailer ball and ball mount sizes. This particular reducer bushing is designed to reduce a 1" hole down to 3/4". All CURT reducer bushings come with a yellow zinc finish to prevent rust and corrosion.

## Features

- Reduces hole size, allowing use of trailer balls with smaller shank diameters
- Reduces 1" diameter hole to 3/4"
- Protected by a durable yellow zinc-plated finish
- Limited lifetime warranty (one-year finish, one-year parts)
- Ball mount and trailer ball not included

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CURT |
| Vehicle Service Type | Trailer, Truck, Van, Car, RV, ATV, UTV, Golf Cart, Bus, Lawn Mower, Snowmobile |
| Material | Alloy Steel |
| Finish Type | YELLOW ZINC |
| Automotive Fit Type | Universal Fit |
| OEM Part Number | 21101 |
| Manufacturer | Curt Manufacturing |
| UPC | 612314601097 |
| Global Trade Identification Number | 00612314601097 |
| Model | Reducer Bushing |
| Item Weight | 1.44 ounces |
| Product Dimensions | 6 x 3 x 1 inches |
| Item model number | 21101 |
| Is Discontinued By Manufacturer | No |
| Exterior | Painted |
| Manufacturer Part Number | 21101 |

## Product Details

- **Brand:** CURT
- **Vehicle Service Type:** Trailer, Truck, Van, Car, RV, ATV, UTV, Golf Cart, Bus, Lawn Mower, Snowmobile
- **Material:** Alloy Steel
- **Finish Type:** YELLOW ZINC
- **Automotive Fit Type:** Universal Fit

## Images

![CURT 21101 Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, YELLOW ZINC - Image 1](https://m.media-amazon.com/images/I/71DDwBpWC0L.jpg)
![CURT 21101 Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, YELLOW ZINC - Image 2](https://m.media-amazon.com/images/I/71HnaxjypuL.jpg)
![CURT 21101 Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, YELLOW ZINC - Image 3](https://m.media-amazon.com/images/I/71j9rrbmCJL.jpg)
![CURT 21101 Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, YELLOW ZINC - Image 4](https://m.media-amazon.com/images/I/71Uh+uy4G8L.jpg)
![CURT 21101 Trailer Hitch Ball Hole Reducer Bushing, Reduces 1-Inch Diameter to 3/4-Inch Stem, YELLOW ZINC - Image 5](https://m.media-amazon.com/images/I/71Cm9z6zIOL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Make sure of the size of your hitch.
  

*by S***E on Reviewed in the United States on December 16, 2023*

Works great to reduce the hole size in your hitch to fit any size ball shank,good solid fit with these bushings,a must have,a lot cheaper than another  hitch,really like them.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great buy!
  

*by R***K on Reviewed in the United States on June 23, 2022*

I've been looking for a receiver for months that had a 3/4 inch shank to absolutely no avail from any stores at all. So when I found this that allowed me to convert a 1 inch shank down to fit the ball I already owned. It is amazing how well it worked!

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Saved me time and money
  

*by K***K on Reviewed in the United States on September 10, 2023*

This affordable part saved me time and money. I accidentally purchased the wrong size ball Shank and this made up the difference in size. Solid product!

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/176882164-curt-21101-trailer-hitch-ball-hole-reducer-bushing-reduces-1](https://www.desertcart.kr/products/176882164-curt-21101-trailer-hitch-ball-hole-reducer-bushing-reduces-1)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-28*