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FAQs Warranty

Lost Keys & Key Replacement
Lost Combinations
Defective or Non-Functioning Locks
Master Lock Door Hardware and Door Locks
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More Information on Master Lock Products
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Warranty Info


My Lock Does Not Function. Is it covered under warranty? Can the replacement lock be keyed and/or combinated to the key or combination I currently have?
Master Lock offers a Lifetime Limited Warranty on its padlocks.

- Limited Lifetime Warranty -
All Master Lock padlocks are warranted to be free from mechanical defects for the life of the product. If a mechanical defect occurs, we will replace it free of charge. Just fill out the attached form and mail it, along with your lock to:
Master Lock Warehouse
1590 W. Calle Plata, Suite B
Mariposa Park
Nogales, AZ 85621

Note: You will need to include the key number(s) for the lock(s) you are returning on the product return form. Lock(s) received without a key number listed will not be replaced to match your existing key.

We will send you a new product. No receipt required. This warranty does not cover products which have been abused, altered, damaged, misused, cut or worn. TO THE EXTENT PERMITTED BY LAW, MASTER LOCK COMPANY DISCLAIMS ALL OTHER IMPLIED OR EXPRESS WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.

LIMITATION OF LIABILITY: This warranty is your sole remedy and MASTER LOCK COMPANY shall not be liable for any damages, whether direct, indirect, incidental, special, consequential, exemplary, or otherwise, including lost revenues and lost profits, arising out of any theory of recovery, including statutory, contract or tort. Notwithstanding the term of any limited or implied warranty, or in the event that any limited warranty fails of its essential purpose, in no event will MASTER LOCK COMPANY's entire liability exceed the purchase price of this product. Some states and provinces do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion or limitations may not apply to you. This warranty gives you specific legal rights, and you may also have other rights that vary from state to state and province to province.

You may need to download Adobe® Acrobat® to use the form below.

Product Return Form Product Return Form

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My Master Lock Travel Sentry™ Certified lock (Model # 4680DBLK or # 4680DNKL) had to be cut off to access my luggage while I was traveling, will Master Lock replace my lock?
Yes, Master Lock will replace the Travel Sentry™ Certified lock with the same style or one of equal value, free of charge.

NOTE: Any lock returned using the following address that is not a Master Lock Travel Sentry™ Certified lock (Model # 4680DBLK or # 4680DNKL) will not be returned to you. Click here to obtain instructions on how to return your TSA-Accepted Cut Product.

You may need to download Adobe® Acrobat® to use the form below.

Adobe Help

To navigate, view, and print Adobe Acrobat documents requires Adobe Reader 3.0 or greater and either Netscape 3.0 or MS Internet Explorer 3.0 or greater.

If you don't have Acrobat Reader, it can be obtained free of charge by clicking on the link below and following the instructions on the Adobe Acrobat site.

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