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OVERVIEW
- Universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers
- Advance locking mechanism resists picking and prying
- Easy to install and remove
- Resists rust and corrosion
Manufacturer Resources
Product Specs
- Category:
- Door Trim and Accessories
- Subcategory:
- Parts and Accessories
- Series:
- 370 Series
- Product Group:
- Parts and Accessories
- Product Subgroup:
- Parts and Accessories
- Product Type:
- Auxiliary Lock
- Commercial/Residential:
- Residential
- For Use With:
- Marine & Offshore Security; Trailers, Trucks, & Towing
- Features:
- Advance Locking Mechanism; Rekey able Cylinder for Keyed Alike Convenience; Easy to Install and Remove; Fits 1-7/8in (48mm), 2in (51mm) and Most 2-5/16in (59mm) Couplers
Master Lock 379ATPY – Frequently Asked Questions
How fast can I get the Master Lock 379ATPY delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Master Lock 379ATPY come with a warranty?
Absolutely. The Master Lock 379ATPY is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Master Lock 379ATPY?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Master Lock 379ATPY from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.