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Coupler Lock, Universal MPN:389DAT

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Brand: Master Lock
Part #: 389DAT
UPC: 071649263019
SKU
510-G4878312
$90.98 for Order Qty of 2
Regular Price $63.69 Special Price $45.49

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Coupler Lock, Universal

Protect your trailer from theft with the Master Lock Coupler Lock. This universal coupler lock fits most couplers, ensuring a secure connection to your vehicle. The locking mechanism resists picking and prying, while the powder-coated finish resists rust and corrosion. The coupler lock also includes two keys for added convenience. With its compact design, this lock is ideal for use on trailers, RVs, and utility trailers. Its anti-theft features provide peace of mind for owners and operators, making it a must-have for anyone who values trailer security. Easy to install and use, this lock is a simple solution to a serious problem.

Top product features:

  • Locking Mechanism Resists Picking and Prying
  • Guards Against Trailer Tow Away Theft
  • Resists Rust and Corrosion

Top product applications:

  • Trailer tow away theft prevention
  • Securing most couplers
  • Locking vehicle attachments
Coupler Lock, Lock Type Universal, For Use With Most Couplers, Hole Diameter 1 7/8 in, 2 5/16 in, 2 in, Vehicle Class Not Applicable, Features Locking Mechanism Resists Picking and Prying, Guards Against Trailer Tow Away Theft, Resists Rust and Corrosion, Includes (2) Keys, Finish Powder Coated

Additional Information

  • Country of Origin: CN
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 7.60
  • Package Width: 6.70
  • Package Height: 3.60
  • Package Weight: 2.58
  • Restricted States: AK,GU,HI,PR,VI
Product info last updated on February 17, 2026 8:55pm UTC Category: Trailer, Plow and Towing Equipment
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In stock