Master Lock Universal Trailer Coupler Lock – Black (379ATPY)

Description

Protect your trailer against theft with the Master Lock 379ATPY Universal Trailer Coupler Lock. Designed to fit most 1-7/8-inch, 2-inch, and 2-5/16-inch trailer couplers, this heavy-duty lock helps secure RVs, horse trailers, utility trailers, tool trailers, boats, and other towable equipment. Its advanced locking mechanism is engineered to resist tampering, picking, and prying while providing dependable security.

Constructed for long-lasting outdoor use, the lock features a durable, rust-resistant design that helps withstand exposure to rain, dirt, and harsh weather conditions. The universal-fit design allows for quick installation and removal, making it an excellent solution for protecting valuable trailers and towing equipment.


 

✨ Features

🔒 Universal Coupler Compatibility

Designed to fit most 1-7/8-inch, 2-inch, and 2-5/16-inch trailer couplers.

Provides reliable protection for a variety of trailers.

🛡️ Advanced Locking Mechanism

Engineered to help resist picking and prying attempts.

Provides dependable security for stored trailers.

🚐 Ideal for Multiple Trailer Types

Suitable for RVs, horse trailers, utility trailers, cargo trailers, and boat trailers.

Designed for recreational and commercial applications.

🌧️ Weather-Resistant Construction

Built to resist rust and corrosion.

Designed for dependable outdoor performance.

⚙️ Quick Installation

Allows fast installation and removal when needed.

Provides convenient everyday operation.

🔩 Durable Metal Construction

Manufactured using sturdy materials for long-lasting reliability.

Designed to withstand demanding conditions.

🚚 Helps Prevent Unauthorized Towing

Blocks access to the trailer coupler to help discourage theft.

Provides added peace of mind during storage.

🔑 Includes Two Keys

Comes with keys for convenient access and operation.

Helps simplify everyday use.

🏕️ Suitable for Travel and Storage

Ideal for campsites, driveways, garages, storage facilities, and parking areas.

Offers versatile protection wherever your trailer is stored.

⭐ Trusted Master Lock Quality

Manufactured according to rigorous quality standards.

Designed to deliver dependable long-term performance.

📋 Specifications

Product Type: Trailer Coupler Lock

Brand: Master Lock

Model Number: 379ATPY

Color: Black

Lock Type: Keyed Lock

Coupler Compatibility: 1-7/8 Inches, 2 Inches, and Most 2-5/16 Inches

Application: Trailer Security

Weather Resistance: Rust and Corrosion Resistant

Recommended Use: RVs, Horse Trailers, Utility Trailers, Boat Trailers, and Tool Trailers

⚠️ Usage Note

Always confirm that the lock is properly secured before leaving your trailer unattended. Periodically inspect the locking mechanism and apply a suitable lubricant when necessary to maintain smooth operation.

⭐ Why You'll Love It

✅ 🔒 Universal Trailer Compatibility

✅ 🛡️ Advanced Tamper Resistance

✅ 🚐 Suitable for Various Trailer Types

✅ 🌧️ Weather-Resistant Construction

✅ ⚙️ Fast and Easy Installation

✅ 🔩 Durable Metal Design

✅ 🚚 Helps Deter Trailer Theft

✅ 🔑 Includes Convenient Keys

✅ 🏕️ Ideal for Storage and Travel

✅ ⭐ Trusted Master Lock Reliability