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AMPLock Trailer Coupler Lock for 2-5/16" Ball Couplers w/o Lip Spec Review Video

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Info for this part was:

Employee Andrew K
Installed by:
Andrew K
Employee Jeff D
Installed by:
Jeff D
Employee Aidan B
Video by:
Aidan B

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Products Featured in this Video


AMPLock Trailer Coupler Lock for 2-5/16" Ball Couplers w/o Lip - Ductile Cast Iron


AMPLock Trailer Tongue Lock

20 reviews


Code: AMP34FR

Price:  $347.00
  • Trailer Tongue Lock
  • Surround Lock
  • Universal Application Lock
  • Keyed Unique
  • Cast Iron
  • Fits 2-5/16 Inch Ball
  • Flat Lip
  • AMPLock



Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2-5/16" ball couplers with no lips. Resists picking, cutting, drilling, and freezing. Tumbler offers nearly 1 million possible key codes.


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AMPLock Trailer Coupler Locks - Surround Lock - AMP34FR Review


Hello everybody, this is Jeff at etrailer.com. Today we're gonna take a look at the amp lock cast iron trailer coupler lock. For the 2 and 5/16ths ball couplers that do not have a lip on them. Now, this is a tamper-resistant sturdy lock, prevents trailer theft by preventing hookup. It is designed to fit over the coupler, engaging it like a trailer ball does and blocking the ball opening. This will… see more >