Skip to main content
Trailer Coupler Lock Steel

Roll over image to zoom in

  • Product Features

  • Product Overview

  • Related Videos

  • Reviews

  • Questions & Answers

Master Lock 377DATClick To Copy Trailer Coupler Lock Steel

Item #: 377DAT by Master Lock, LLC

See reviewsSee reviews
In Stock

$52.95

/each
SAVE UP TO 5.30

Buying in bulk

QUICK SHIPPING*Usually ships in 1 business dayIn stock: 115 units available
QTY
–
+
+ Add to Wishlist
Buy in Bulk & Save - See How Watch Now
Large Order Quote

Shop with Confidence

30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.

Safe Payment
Features
  • Fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) trailer couplers
  • Advance locking mechanism resists picking and prying
  • Easy to install and remove
  • Resists rust and corrosion

Keying

Keyed Different

Product Type

Trailer Lock

Alternate Part Number-1

123193

Lock Type

Trailer Lock

Manufacturer Parent

Master Lock Company LLC

Function

RV/Trailer Lock

Sub-Series

377DAT

Application

Marine & Offshore Security; Trailers, Trucks, & Towing

Features

Advanced Locking Mechanism; Easy to Install and Remove; Fits 1-7/8in (48mm), 2in (51mm) and Most 2-5/16in (59mm) Trailer Couplers

Indoor or Outdoor Use

Outdoor

Resistant Properties

Picking and Prying Resistant; Rust and Corrosion Resistant

Warranty

Limited lifetime

Series

370 Series

Keying Type

Keyed Different

Height

3.5

Length

9

Width

8

Finish

Nickel Chrome

UNSPSC

25181708

Combination/Keying

Keyed Different

Product Overview
The Master Lock No. 377DAT features a trailer coupler lock, designed to fit 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) trailer couplers. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.