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Universal Coupler Locks

We are proud to offer the best universal trailer coupler locks made from manufacturers such as Blaylock, Diversi-Tech, Master Lock and Trimax.

Some are more "universal" than others so please read the product descriptions before purchasing.

These locks are for bumper pull trailers only.



Product Image Item Name- Price
Trimax UMAX 50 Universal Coupler Lock

Trimax UMAX 50 Universal Coupler Lock

Fits all 1-7/8", 2" and 2-5/16" couplers. Huge 5/8" hardened steel shackle. Powder coated aluminum body resists rust. Huge 6-tooth dual ratchet...
$39.95

... more info

Trimax UMAX 100 Universal Coupler Lock

Trimax UMAX 100 Universal Coupler Lock

Fits all 1-7/8", 2" and 2-5/16" couplers. Huge 5/8" hardened steel shackle. Attractive ballistic grade housing absorbs hammer blows and protects...
$57.95

... more info

Trimax TCP50 - Keyed Alike Towing Set

Trimax TCP50 - Keyed Alike Towing Set

Set contains a Umax50 Universal Coupler Lock, a TC123 Latch Lock and a TS32 Receiver Lock ALL OF WHICH USE THE SAME KEY. The Umax50 Universal...
$82.95

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Trimax TCP100 - Keyed Alike Towing Set

Trimax TCP100 - Keyed Alike Towing Set

Set contains a Umax100 Universal Coupler Lock, a TC123 Latch Lock and a TS32 Receiver Lock ALL OF WHICH USE THE SAME KEY. The Umax100 Universal...
$99.95

... more info
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Blaylock TL33 Universal Coupler Lock

Blaylock TL33 Universal Coupler Lock

Fits more than 30 couplers. Precision-made of heavy grade aircraft aluminum. Features a 3/4" steel locking pin. Requires a padlock such as the 70mm...
$29.95

... more info

Fastway Maximum Security Coupler Lock

Fastway Maximum Security Coupler Lock

Fits virtually all 1-7/8”, 2”, and 2-5/16” tongue type trailer couplers. Two barrel-style keys included. Anti-drill lock design. Manufacturers...
$44.95

... more info
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Master #379DAT Universal Couple Lock

Master #379DAT Universal Couple Lock

Fits 1-7/8", 2", and 2-5/16" couplers manufactured by Reese®, Fulton, Valley, Atwood®, Shelby, Putnam, Hammerblow, Dutton Lainson, and UFP....
$24.95

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Master #379KA Universal Couple Lock

Master #379KA Universal Couple Lock

Fits 1-7/8", 2", and 2-5/16" couplers manufactured by Reese®, Fulton, Valley, Atwood®, Shelby, Putnam, Hammerblow, Dutton Lainson, and UFP....
$29.95

... more info

Master #389 Universal Coupler Lock

Master #389 Universal Coupler Lock

Fits 1-7/8", 2", and 2-5/16" couplers manufactured by Reese®, Fulton, Valley, Atwood®, Shelby, Putnam, Hammerblow, Dutton Lainson, and UFP....
$24.95

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Master #377 Universal Coupler Lock

Master #377 Universal Coupler Lock

Fits many 1-7/8" and 2" couplers. Adjusts to fit many makes and models. Will NOT fit couplers that do not have a lip, such as Bulldog® couplers....
$29.95

... more info

Master #378 Universal Coupler Lock

Master #378 Universal Coupler Lock

Fits many 2-5/16" couplers. Adjusts to fit many makes and models. Does NOT fit couplers that do not have a lip such as Bulldog® couplers. Not...
$39.95

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