Master LockBlack Universal Size Trailer Hitch Lock, Trailer Coupler Lock for Securing RV’s, Horse Trailers, Tool Trailers and More, 379ATPY
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Master LockBlack Universal Size Trailer Hitch Lock, Trailer Coupler Lock for Securing RV’s, Horse Trailers, Tool Trailers and More, 379ATPY

4.6/5
Product ID: 7757162
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Details

  • Brand
    Master Lock
  • Special Feature
    Portable
  • Lock Type
    Key Lock
  • Item dimensions L x W x H
    5.1 x 3.5 x
  • Material
    Zinc
🔒Fits 3 universal coupler sizes
🌧️Rust & corrosion-proof zinc build
🛡️Advanced pick & pry resistance

Description

🔐 Lock in your peace of mind—because your trailer deserves elite security.

  • NEXT LEVEL SECURITY - Advanced locking mechanism engineered to thwart picking and prying attempts, keeping your trailer invincible.
  • READY OUT OF THE BOX - Includes two keys and an easy-to-follow instruction guide for instant, hassle-free protection.
  • WEATHERPROOF WARRIOR - Durable zinc construction resists rust and corrosion, ensuring long-lasting protection rain or shine.
  • UNIVERSAL FIT ZERO HASSLE - Secure 1-7/8", 2", and 2-5/16" trailer couplers with one lock—versatility that matches your on-the-go lifestyle.
  • TRUSTED BRAND LIFETIME PEACE - Backed by Master Lock’s Limited Lifetime Warranty—because your security deserves legendary reliability.

The Master Lock 379ATPY is a universal trailer hitch lock designed to fit the most common coupler sizes (1-7/8", 2", and 2-5/16"). Constructed from corrosion-resistant zinc and featuring an advanced locking mechanism, it offers superior protection against picking and prying. Ideal for securing RVs, horse trailers, and tool trailers, it comes with two keys and a Limited Lifetime Warranty for trusted, long-term security.

Specifications

BrandMaster Lock
Special FeaturePortable
Lock TypeKey Lock
Item dimensions L x W x H5.1 x 3.5 x 4.6 inches
MaterialZinc
Recommended Uses For Productvehicles, trailers, RVs
StyleTrailer Hitch Lock
ColorBlack
Number of Pieces1
Finish TypePolished
Included ComponentsUnit^Instruction Guide
Controller TypeHand Control
ShapeRectangular
Item Weight16 ounces
Control MethodTouch
UPC071649229220
Model NameUniversal Towing Coupler Lock, Steel
Global Trade Identification Number00071649229220
ManufacturerMaster Lock
Item Weight1 pounds
Product Dimensions5.1 x 3.5 x 4.6 inches
Country of OriginChina
Item model number379ATPY
Is Discontinued By ManufacturerNo
Manufacturer Part Number379ATPY
Special FeaturesPortable

Have a Question? See What Others Asked

If this does not work on our travel trail is it returnable?
Does this fit Airstreams?
Can these be rekeyed? I have alot of locks. All on same master lock key
Can I get a key number the same as locks i Have

Reviews

4.6

All from verified purchases

S**D

Peace of mind when owning a camper or trailer.

Very solid travel trailer tongue lock. Adjustable and easy to use and absolutely impossible to get off without the key. Definitely gives me an added relief knowing our camper is secure when we're not home. Fully coated with a durable scratch resistant coating to prevent rust and looks really good.

R**J

Great Product!

Great Experience!The item arrived exactly as described and right on time. Shipping was fast and the packaging was secure and professional, ensuring the product arrived in perfect condition. Everything went smoothly from start to finish. Very satisfied with the overall purchase experience!

J**A

Security first

Light weight and easy to work I think it will be very useful for keeping my trailer safe

A**R

It works

Not bad, fits the trailer. It'll keep a honest person honest.

B**R

Works as it should as a deterent

Works like a charm! I see no reason not to get one.Yes, if someone really wants your trailer, they will get it. Security items like this are just to "harden the target"...to make your trailer more difficult to steal than the guy who has no lock. If they can just hook up and go, then they probably will...if they have to take the time and risk to bash a lock like this off with a hammer, it's less likely they will risk it.And to those who are thieves, may the flees of a thousand camels infest your underwear...and the underwear of all who call you friend!

K**H

Does it fit

Easy to install and remove. I use it on the 2inch and the bigger 2 and 5/8 hitch. Gives you a piece of mind when leaving the trailer

S**R

Happy with purchase

Solid lock, great fit on trailer hitch, impossible to remove without the key.

B**R

Security

Extra locking power on our travel trailer. Secures hitch nicely.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Master Lockblack Universal Size Trailer Hitch Lock Trailer Coupler Lock | Desertcart GB