---
product_id: 88935796
title: "Silver Trailer Hitch Lock, Trailer Tongue Lock for RV, Horse Trailer, or Utility Tool Trailer, 377DAT"
brand: "master lock"
price: "337 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/88935796-silver-trailer-hitch-lock-trailer-tongue-lock-for-rv-horse
store_origin: RO
region: Romania
---

# Fits 1-7/8 to 2-5/16 in. couplers Rust & corrosion-resistant zinc build Advanced pick & pry resistant lock Silver Trailer Hitch Lock, Trailer Tongue Lock for RV, Horse Trailer, or Utility Tool Trailer, 377DAT

**Brand:** master lock
**Price:** 337 Lei
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in security, unlock your freedom.

## Quick Answers

- **What is this?** Silver Trailer Hitch Lock, Trailer Tongue Lock for RV, Horse Trailer, or Utility Tool Trailer, 377DAT by master lock
- **How much does it cost?** 337 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/88935796-silver-trailer-hitch-lock-trailer-tongue-lock-for-rv-horse)

## 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

- • **Next-Level Security:** Equipped with an advanced locking mechanism designed to resist picking and prying, keeping your trailer safe from theft.
- • **Built to Brave the Elements:** Constructed from durable zinc with a polished finish, this lock resists rust and corrosion for long-lasting outdoor use.
- • **Effortless Access with Two Keys:** Includes two keys for convenient, hassle-free unlocking—never get locked out when you need your trailer most.
- • **Universal Fit for Peace of Mind:** Securely fits most trailer couplers from 1-7/8 to 2-5/16 inches, ensuring versatile protection for your RV, horse, or utility trailer.
- • **Trusted Brand with Lifetime Warranty:** Backed by Master Lock’s limited lifetime warranty and certified frustration-free packaging, combining reliability with ease.

## Overview

The Master Lock Silver Trailer Hitch Lock 377DAT offers robust, versatile protection for trailers and RVs with a fit for 1-7/8 to 2-5/16 inch couplers. Its advanced locking mechanism resists picking and prying, while the zinc construction ensures rust and corrosion resistance. Includes two keys and is backed by a limited lifetime warranty, making it a trusted security solution for professionals on the move.

## Description

Master LockSilver Trailer Hitch Lock, Trailer Tongue Lock for RV, Horse Trailer, or Utility Tool Trailer, 377DAT

## Features

- Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers
- Trailer lock is best used for vehicles, trailers, and RVs
- Trailer coupler lock features advanced locking mechanism to resist picking and prying
- Trailer hitch lock is constructed from zinc to resist rust and corrosion
- Includes one trailer coupler lock, two keys

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Master Lock |
| Special Feature | Unlock keys |
| Lock Type | Combination Lock |
| Item dimensions L x W x H | 6.56 x 7.5 x 2.68 inches |
| Material | Metal |
| Recommended Uses For Product | Trailer |
| Style | Trailer Hitch Lock |
| Color | Silver |
| Number of Pieces | 3 |
| Finish Type | Polished |
| Included Components | 1 Master Lock Manufactured Product |
| Controller Type | Hand Control |
| Shape | Round |
| Item Weight | 1 Pounds |
| Control Method | Touch |
| UPC | 071649047954 |
| Model Name | MASTERLOCK |
| Global Trade Identification Number | 00071649047954 |
| Manufacturer | Master Lock |
| Part Number | 470-377DAT |
| Item Weight | 1 pounds |
| Product Dimensions | 6.56 x 7.5 x 2.68 inches |
| Item model number | 377DAT |
| Is Discontinued By Manufacturer | No |
| Size | Pack of 1 |
| Finish | Polished |
| Item Package Quantity | 1 |
| Certification | certified frustration-free |
| Special Features | Unlock keys |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Limited Lifetime Warranty |

## Product Details

- **Brand:** Master Lock
- **Special Feature:** Unlock keys
- **Lock Type:** Combination Lock
- **Item dimensions L x W x H:** 6.56 x 7.5 x 2.68 inches
- **Material:** Metal

## Images

![Silver Trailer Hitch Lock, Trailer Tongue Lock for RV, Horse Trailer, or Utility Tool Trailer, 377DAT - Image 1](https://m.media-amazon.com/images/I/518jGWF-2PL.jpg)

## Frequently Bought Together

- Master Lock MASTERLOCK 377DAT COUPLER LOCK UNIVERSAL, Silver
- Master Lock 605DAT Shackle 15/16" Length x 7/16" Inner Width, 2" Body Width, Solid Brass Coupler Lock, Gold, 1 Count
- Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT, Silver

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**Shop now:** [https://www.desertcart.ro/products/88935796-silver-trailer-hitch-lock-trailer-tongue-lock-for-rv-horse](https://www.desertcart.ro/products/88935796-silver-trailer-hitch-lock-trailer-tongue-lock-for-rv-horse)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-21*