Your Cart

Master Lock 377DAT Universal Trailer Coupler Lock Chrome

Manufacturer

Master Lock

Picture for manufacturer Master Lock

Part Number

377DAT
18 reviews
03/14/2036 10:47 AM
Sale Price

$39.90

In Stock (10+)

delivery box

Usually delivered within 2 days

Add To Cart

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Master Lock 377DAT is a heavy-duty universal trailer coupler lock designed to secure trailers when disconnected from tow vehicles. This chrome-plated steel lock provides reliable theft protection for trailers with standard ball coupler sizes.

Key Features:

  • Universal fit for 1-7/8" and 2" ball couplers
  • Adjustable design accommodates various trailer coupler makes and models
  • Chrome-plated steel construction resists rust and corrosion
  • Prevents unauthorized hookup and trailer theft
  • Simple installation requires no tools
  • Durable locking mechanism for long-term security

This trailer coupler lock is ideal for boat trailers, utility trailers, RV trailers, and equipment trailers. The adjustable design ensures compatibility with virtually all standard coupler types, making it a versatile security solution for trailer owners.

Products specifications

Coupler Lock Finish

Natural

Coupler Lock Material

Stainless steel

Lock Type

Coupler lock

Locking Keys Included

Yes

Quantity

Sold as a kit.

Didn’t know you all existed!! By far lowest priced AND free shipping!!!!

Easy to use the page, and navigate. Good description of part and vehicle, fast check out.

Good products, good price!

Fast and accurate

Would shop here again

Just what we need. It was a pleasure doing business with you. Thank you!

Fairly good site.

Very fast shipping!

Fast shipping. Received item in good condition.

Fast shipping and great prices will do business again (actually really soon)

.............

I found them doing a search for a clutch kit, they are hands down one of the easiest companys to work with and the prices cant be beat..... I looked everywhere

Ordered a Dee Zee bed mat for my truck. Got it right away and it fits like a glove!!!

Order an item a day ago and the next day its shipped! Had a question and customer service was there when you needed it!

Autoplicity gave me prompt notification both when my order was processed and when the order shipped. The price was the best I could find anywhere, and several good reviews made me confident in my choice of stores over other stores who were charging more. Thanks, Autoplicity!

Easy site to use One great security issue the company actualy calls you to confirm the purchase to avove fraud. Excellent job!! i will buy from you again. Bill

I did a pretty extensive search looking for a good price on a specific set of Autogage gauges. They had the best price and were in stock with quick notification of shipment. Order # 27510 should be here soon so I can finish my project. Would so business with again.

Definitely fast processing and shipping as well as very great low low prices

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy