Get free delivery on orders over $50 with code FREEDELIVERY. See details.

My Store: San Marcos
Closed
Find Stores
https://www.mccoys.com/shop/p/7004666-052303-20/master-lock-379dat-universal-trailer-coupler-lock?srsltid=AfmBOooPK1Dty-r-VizCJAWj6IJrJV5Oae7Dttx-jVOOEGLfUzrS9AgI
Image not found
Master Lock

379DAT Universal Trailer Coupler Lock

Sku: 7004666-052303-20
$34.99
22 Available at SHIP TO STORE
Estimated Arrival On: 01/08/2026
Safety Latches & Locks:Master Lock 379DAT Metal Silver/Black

The Master Lock No. 379DAT features a universal trailer coupler lock, designed to fit 1-7/8 in, 2 in and most 2-5/16 in 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.

  • Easy to install and remove
  • Resists rust and corrosion
  • Keyed different

Suitable for
1-7/8, 2 and 2-5/16 in Couplers

Similar Items

3794DAT Trailer Coupler Lock Kit
Master Lock
3794DAT Trailer Coupler Lock Kit
Sku: 7004658-052303-20
12 Available for SHIP TO STORE
$64.55
 
21002 Trailer Coupler, 2000 lb Towing, 1-7/8 in Trailer Ball, Lever Latch, Steel
Vulcan
21002 Trailer Coupler, 2000 lb Towing, 1-7/8 in Trailer Ball, Lever Latch, Steel
Sku: 1692409-052303-20
10 Available for SHIP TO STORE
$18.47
 
21004 Trailer Coupler, 2000 lb Towing, 1-7/8 in Trailer Ball, Lever Latch, Steel
Vulcan
21004 Trailer Coupler, 2000 lb Towing, 1-7/8 in Trailer Ball, Lever Latch, Steel
Sku: 1731496-052303-20
8 Available for SHIP TO STORE
$18.49
 
Loading