---
product_id: 337197820
title: "CZC AUTO Black Trailer Hitch Coupler Lock, Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black)"
brand: "czc auto"
price: "156 zł"
currency: PLN
in_stock: true
reviews_count: 5
category: "Czc Auto"
url: https://www.desertcart.pl/products/337197820-czc-auto-black-trailer-hitch-coupler-lock-dia-1-4
store_origin: PL
region: Poland
---

# 1/4 inch diameter steel pin 3/4 inch secure span fit Corrosion-resistant black coating CZC AUTO Black Trailer Hitch Coupler Lock, Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black)

**Brand:** czc auto
**Price:** 156 zł
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in your peace of mind — because your trailer deserves VIP protection!

## Quick Answers

- **What is this?** CZC AUTO Black Trailer Hitch Coupler Lock, Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black) by czc auto
- **How much does it cost?** 156 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/337197820-czc-auto-black-trailer-hitch-coupler-lock-dia-1-4)

## Best For

- czc auto enthusiasts

## Why This Product

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

## Key Features

- • **Rugged Durability:** High-strength steel core with black electrophoretic paint resists corrosion and tampering.
- • **Effortless Operation:** Smooth 5-7 turn flat key mechanism for quick, hassle-free locking and unlocking.
- • **Trusted Peace of Mind:** Backed by CZC AUTO’s 12-month warranty and 30-day money-back guarantee.
- • **Precision Fit Security:** Engineered 1/4 inch diameter pin with 3/4 inch span for a snug, theft-proof lock.
- • **Universal Compatibility:** Perfectly secures trailers, boats, RVs, trucks, and cars with versatile coupler fit.

## Overview

The CZC AUTO Black Trailer Hitch Coupler Lock features a 1/4 inch diameter steel pin with a 3/4 inch span, designed for a secure and precise fit on a wide range of trailers, boats, RVs, trucks, and cars. Its corrosion-resistant black electrophoretic coating ensures long-lasting durability, while the smooth flat key operation offers quick and reliable locking. Lightweight and compact, this lock combines rugged security with effortless use, backed by a 12-month warranty and a 30-day money-back guarantee for ultimate confidence.

## Description

CZC AUTO Black Trailer Hitch Coupler Lock, Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 pack, Black)

Review: The product was as advertised, seems to be good quality, nil issues and fast delivery.
Review: When it comes to protecting my trailer and valuables during travel, I rely on the CZC AUTO Black Trailer Hitch Coupler Lock, and it hasn't disappointed. This little device packs a punch in terms of security and peace of mind. First and foremost, the construction of this coupler lock is solid. The 1/4 inch diameter coupled with the 3/4 inch span ensures a snug fit, providing a robust barrier against theft or unauthorized access. I appreciate the attention to detail in its design, which gives me confidence in its ability to withstand any attempts at tampering or forced entry. Installation is a breeze with this hitch coupler lock. The straightforward process means I can quickly and easily secure my trailer hitch without any hassle or frustration. It's a simple yet effective solution that adds an extra layer of security to my towing setup. What I love most about this product is its versatility. Whether I'm towing a boat, RV, or any other trailer, this coupler lock fits the bill perfectly. It's a versatile tool that provides maximum protection no matter what I'm hauling.

## Features

- CZC AUTO Trailer Hitch Coupler Locking Pin Design：1/4 Inch diameter tongue lock pin with effective length 3/4 Inch. Small size for easy carrying. Keeping the coupler lock in your pocket or vehicle anywhere that is fine. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin.
- How To Operate Our Trailer Tongue Coupler Lock: Spinning the flat key 5-7 times to open or close the hitch lock.
- Security Of Our Coupler Locking Pin: This trailer lock is made of high-strength steel to deter theft. The hitch lock is coated with black electrophoretic paint to prevent corrosion.
- Coupler Locking Hitch Pin's Application: Tow Trailer Boat RV Truck Car
- CZC AUTO, a reliable brand in Hitch Sercurity Industry, we offer 30-day money-back for any reason, 12-month warranty for quality-related issues.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VGX5494 |
| Best Sellers Rank | #196,222 in Automotive ( See Top 100 in Automotive ) #79 in Automotive Hitch Locks |
| Brand | CZC AUTO |
| Customer Reviews | 4.5 4.5 out of 5 stars (8,158) |
| Date First Available | 18 September 2019 |
| Item Weight | 159 g |
| Manufacturer | CZC AUTO |
| Manufacturer Part Number | 11410 |
| Manufacturer reference | 11410 |
| Product Dimensions | 4.39 x 2.21 x 4.6 cm; 159 g |
| Voltage | 12 Volts |

## Images

![CZC AUTO Black Trailer Hitch Coupler Lock, Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black) - Image 1](https://m.media-amazon.com/images/I/6159g46EzoL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Are these locks keyed the same so that one key works in both locks?**
A: They are both keyed the same.

**Q: Does the 4 pack come keyed alike,and how many keys come with a 4pack?**
A: Yes. The keys of the 4 pack are keyed alike. They are 8 keys in all.

**Q: Would these work with a pelican case?**
A: It should, as long as there is room for the locking portion of the lock on the case

**Q: Will this lock fit a jetski single trailer?**
A: This item did not fit my trailer hitch. The post was to short. Thus, I did not use it. Hitch is on a 24 foot travel trailer.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***Y on 27 April 2024*

The product was as advertised, seems to be good quality, nil issues and fast delivery.

### ⭐⭐⭐⭐⭐ Review
*by B***. on 2 June 2024*

When it comes to protecting my trailer and valuables during travel, I rely on the CZC AUTO Black Trailer Hitch Coupler Lock, and it hasn't disappointed. This little device packs a punch in terms of security and peace of mind. First and foremost, the construction of this coupler lock is solid. The 1/4 inch diameter coupled with the 3/4 inch span ensures a snug fit, providing a robust barrier against theft or unauthorized access. I appreciate the attention to detail in its design, which gives me confidence in its ability to withstand any attempts at tampering or forced entry. Installation is a breeze with this hitch coupler lock. The straightforward process means I can quickly and easily secure my trailer hitch without any hassle or frustration. It's a simple yet effective solution that adds an extra layer of security to my towing setup. What I love most about this product is its versatility. Whether I'm towing a boat, RV, or any other trailer, this coupler lock fits the bill perfectly. It's a versatile tool that provides maximum protection no matter what I'm hauling.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 14 October 2025*

Good protection for the price.

## Frequently Bought Together

- CZC AUTO Black Trailer Hitch Coupler Lock, Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black)
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- Rhino USA Trailer Hitch Pin (2 Inch) Patented 5/8" Locking Receiver Hitch Pins for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Debris Protection - Used to Tow Truck, etc - Black

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---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-14*