Master Lock Universal Trailer Coupler Lock Fits Most 1-7/8" 2" and 2-5/16" Couplers - 389DAT 389DAT - Pkg Qty 4

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Brand: Master Lock
Part #: 389DAT
UPC: 071649263019
SKU
281-49692B23
Regular Price $450.79 Special Price $237.96

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Master Lock Universal Trailer Coupler Lock Fits Most 1-7/8" 2" and 2-5/16" Couplers - 389DAT

Protect your trailer and cargo with the Master Lock Universal Trailer Coupler Lock. This advanced locking mechanism fits most 1-7/8in, 2in, and 2-5/16in couplers, providing resistance to picking and prying. With a limited lifetime warranty, you can trust that your lock will perform reliably. Perfect for securing trailers on construction sites, farms, or anywhere heavy equipment is used, this lock helps prevent theft and tampering. Its compact design makes it easy to install and store, and the red color ensures visibility. Order a pack of 4 for added security and peace of mind.

Top product features:

  • The advanced locking mechanism provides resistance to picking and prying.
  • The universal design allows the lock to fit most 1-7/8in, 2in, and 2-5/16in couplers.
  • The limited lifetime warranty provides peace of mind.

Top product applications:

  • Trailer Coupler Security
  • Protecting a Trailer or Boat from Theft
  • Securing a Horse Trailer or Equipment Trailer

This item is NOT returnable.

The master lock no. 389dat features a universal trailer coupler lock designed to fit most 1-7/8in (48mm) 2in (51mm) and 2-5/16in (59mm) 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.

Additional Information

  • UPC: 071649263019
  • UNSPSC: 24101800
  • Brand: Master Lock Company
  • Color: Red
  • Package Quantity: 4
  • Country of Origin: CN
  • FOB Origin: AZ
  • Ships by: PARCEL
  • Comes in a kit: No
  • Newly added to catalog: No
  • Item is on Clearance: No
  • Contains Hazardous Materials: No
  • CA Proposition 65 Applies: No
  • Package Length: 6.70
  • Package Width: 7.54
  • Package Height: 3.30
  • Package Weight: 0.66
Product info last updated on February 28, 2026 10:43am UTC Category: Dock Equipment
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