---
product_id: 7757161
title: "Master Lock Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers, Weather Resistant Automotive Hitch Lock with Keys, 377KA"
brand: "master lock"
price: "RM345"
currency: MYR
in_stock: true
url: https://www.desertcart.com.my/products/7757161-master-lock-trailer-hitch-lock-fits-1-7-8-in
store_origin: MY
region: Malaysia
---

# Fits 3 coupler sizes Weather & rust resistant Advanced pick & pry resistance Master Lock Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers, Weather Resistant Automotive Hitch Lock with Keys, 377KA

**Brand:** master lock
**Price:** RM345
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in security, unlock peace of mind.

## Quick Answers

- **What is this?** Master Lock Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers, Weather Resistant Automotive Hitch Lock with Keys, 377KA by master lock
- **How much does it cost?** RM345 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/7757161-master-lock-trailer-hitch-lock-fits-1-7-8-in)

## Best For

- master lock enthusiasts

## Why This Product

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

## Key Features

- • **Built to Brave the Elements:** Weather-resistant design ensures long-lasting protection rain or shine.
- • **Next-Level Security Mechanism:** Advanced locking tech that keeps thieves guessing and your trailer safe.
- • **Effortless Installation & Removal:** Spend less time locking up and more time on the road.
- • **Trusted Brand with Lifetime Assurance:** Backed by Master Lock’s Limited Lifetime Warranty for peace of mind.
- • **Universal Fit for Ultimate Versatility:** Secure your trailer with one lock that fits 1-7/8", 2", and most 2-5/16" couplers effortlessly.

## Overview

The Master Lock 377KA Trailer Hitch Lock offers a robust, weather-resistant solution that fits multiple trailer coupler sizes (1-7/8", 2", and most 2-5/16"). Featuring an advanced locking mechanism resistant to picking and prying, it ensures superior security. Lightweight and easy to install, this lock is backed by a Limited Lifetime Warranty from a trusted industry leader.

## Description

Master Lock Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers, Weather Resistant Automotive Hitch Lock with Keys, 377KA

## Features

- Fits 1-7/8 inch (48mm), 2 inch (51mm) and most 2-5/16 inch (59mm) trailer couplers
- Advance locking mechanisim resists picking and prying
- Easy to install and remove
- Resists rust and corrosion
- Keyed alike

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Master Lock |
| Brand | Master Lock |
| Model | Trailer Hitch Lock |
| Item Weight | 1.83 pounds |
| Product Dimensions | 5.6 x 4.3 x 2.8 inches |
| Item model number | 377KA |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 377KA |
| Special Features | Weather Resistant |

## Images

![Master Lock Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers, Weather Resistant Automotive Hitch Lock with Keys, 377KA - Image 1](https://m.media-amazon.com/images/I/51fclfwUssL.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.com.my/products/7757161-master-lock-trailer-hitch-lock-fits-1-7-8-in](https://www.desertcart.com.my/products/7757161-master-lock-trailer-hitch-lock-fits-1-7-8-in)

---

*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-02-08*