
- Fits 1-7/8 in. (48mm), 2 in. (51mm), and most 2-5/16 in. (59mm) trailer couplers.
- Constructed from high-quality zinc for rust and corrosion resistance.
- Lightweight design with dimensions of 5.1 x 3.5 x 4.6 inches.
- Features a reliable key lock mechanism for added security.
- Comes with two keys for convenience and backup.
- Advanced locking mechanism prevents tampering and theft.
Overview of the Master Lock 379ATPY Universal Trailer Hitch Lock
The Master Lock 379ATPY is a high-quality trailer hitch lock designed to secure your trailer coupler effectively. It is constructed with durability and security in mind, making it suitable for a wide range of applications, including trailers, RVs, and other vehicles. The lock’s universal design ensures compatibility with most standard trailer couplers, while its advanced features provide resistance against tampering, picking, and environmental damage.
Key Features of the Master Lock 379ATPY
1. Advanced Locking Mechanism
The Master Lock 379ATPY features an advanced locking mechanism that is specifically designed to resist picking and prying. This ensures that your trailer remains secure, even in high-risk environments. The lock’s internal components are engineered to withstand forceful attempts to break or manipulate the lock, providing you with peace of mind.
2. Durable Construction
Constructed from zinc, this lock is built to last. Zinc is known for its resistance to rust and corrosion, making it an ideal material for outdoor use. Whether you’re dealing with rain, snow, or extreme temperatures, the Master Lock 379ATPY will maintain its integrity and functionality over time.
3. Laminated Steel Construction
The lock’s laminated steel construction adds an extra layer of durability and strength. This design not only enhances the lock’s resistance to physical attacks but also ensures that it can withstand heavy use without compromising its performance.
4. Keyway Cover
One of the standout features of this lock is its keyway cover. This protective cover shields the lock’s keyhole from moisture, dirt, and debris, which can otherwise compromise the lock’s functionality. The keyway cover ensures smooth operation and extends the lifespan of the lock, even in harsh conditions.
5. Universal Fit
The Master Lock 379ATPY is designed to fit most standard trailer couplers, making it a versatile choice for a wide range of vehicles. Whether you own a small utility trailer or a large RV, this lock will provide a secure fit and reliable performance.
6. Includes Two Keys
The product comes with two keys, ensuring that you always have a spare in case one is lost or misplaced. This thoughtful inclusion adds convenience and ensures that you’re never locked out of your trailer.
7. Limited Lifetime Warranty
Master Lock is a brand known for its commitment to quality and customer satisfaction. The limited lifetime warranty that comes with the Master Lock 379ATPY is a testament to the brand’s confidence in the product’s durability and performance. This warranty provides peace of mind, knowing that your investment is protected.
Special Feature: Portable
Item Dimensions: 5.1 x 3.5 x 4.6 inches
Material: Zinc
Color: Black
Compatibility: Fits 1-7/8 in. (48mm), 2 in. (51mm), and most 2-5/16 in. (59mm) trailer couplers
Included Components: 1 trailer coupler lock and 2 keys
Warranty: Limited Lifetime Warranty
Why Choose the Master Lock 379ATPY?
1. Unmatched Security
The Master Lock 379ATPY is designed with security as its top priority. The advanced locking mechanism and laminated steel construction work together to create a lock that is nearly impossible to pick or pry open. This makes it an excellent choice for anyone looking to protect their trailer from theft or unauthorized access.
2. Durability for All Weather Conditions
Thanks to its zinc construction and keyway cover, this lock is built to withstand the elements. Whether you’re dealing with rain, snow, or extreme heat, the Master Lock 379ATPY will continue to perform reliably. This durability ensures that your trailer remains secure, no matter where you park it.
3. Easy to Use
Despite its robust construction, the Master Lock 379ATPY is incredibly easy to use. The lock fits securely onto most trailer couplers, and the included keys make it simple to lock and unlock your trailer. The keyway cover also ensures that the lock remains easy to operate, even after prolonged exposure to the elements.
4. Versatility
The universal design of the Master Lock 379ATPY makes it suitable for a wide range of applications. Whether you’re securing a small utility trailer or a large RV, this lock will provide a secure fit and reliable performance. Its versatility makes it a practical choice for anyone who owns multiple trailers or vehicles.
5. Trusted Brand
Master Lock is a name synonymous with quality and reliability. With a limited lifetime warranty, you can trust that the Master Lock 379ATPY is a product that will stand the test of time. The brand’s reputation for excellence ensures that you’re investing in a product that delivers on its promises.
Universal Trailer Compatibility
Rust-Resistant Zinc Construction
Advanced Locking Mechanism
Keyway Cover Protection
Key Features
1. Universal Fit for Most Trailers
The Master Lock 379ATPY is designed to fit a wide range of trailer couplers, making it a versatile choice for various applications. Whether you own a small utility trailer or a large RV, this lock ensures a secure fit and reliable performance.
2. Durable Zinc Construction
Constructed from high-quality zinc, this lock is built to resist rust and corrosion, ensuring long-lasting durability even in harsh weather conditions. Its robust design makes it ideal for outdoor use.
3. Advanced Locking Mechanism
The lock features an advanced locking mechanism that resists picking and prying, providing superior protection against theft. This mechanism ensures that your trailer remains secure, even in high-risk environments.
4. Keyway Cover
The keyway cover protects the lock from moisture, dirt, and debris, ensuring smooth operation and extending the lock’s lifespan. This feature is particularly useful for outdoor use.
5. Portable and Easy to Use
With compact dimensions of 5.1 x 3.5 x 4.6 inches, this lock is lightweight and portable. It comes with two keys for added convenience, making it easy to lock and unlock your trailer.
Instructions for Use
Using the Master Lock 379ATPY is simple and straightforward. Follow these steps to secure your trailer:
Insert Key: Insert the key into the lock and turn it to position 1.
Attach Lock: Insert the ball of the coupler lock into the unlatched trailer coupler.
Secure Shield: Push the shield toward the ball on the coupler until it advances no further.
Lock and Remove Key: Turn the key to position 2 and remove the key.
This process ensures that your trailer is securely locked and protected from theft.
Warranty and Support
1. Limited Lifetime Warranty
The Master Lock 379ATPY comes with a Limited Lifetime Warranty, which covers defects in materials and workmanship for the lifetime of the product. This warranty reflects the brand’s confidence in the lock’s durability and performance.
2. Amazon Return Policy
Amazon offers a Voluntary 30-Day Return Guarantee for this product. You can return the item within 30 days of delivery, provided it meets the return conditions. This policy does not affect your legal right of withdrawal.
3. Manufacturer’s Warranty
If you encounter any issues with the lock, you can request support from Master Lock’s customer service. The manufacturer’s warranty ensures that you receive assistance for any defects or problems.
- Durable Zinc Material – Resists rust and corrosion for long-lasting use.
- Universal Fit Design – Fits 1-7/8 in., 2 in., and most 2-5/16 in. couplers.
- Enhanced Security Features – Resists picking, prying, and tampering.
- Includes Two Keys – Provides convenience and backup for easy access.
Who Should Buy the Master Lock 379ATPY?
The Master Lock 379ATPY is an excellent choice for anyone who owns a trailer, RV, or other vehicle that requires secure locking. It’s particularly well-suited for:
- Frequent Travelers: If you often take your trailer or RV on the road, this lock will provide the security you need to protect your vehicle from theft.
- Outdoor Enthusiasts: Whether you’re camping, boating, or hauling equipment, the Master Lock 379ATPY will keep your trailer secure in any environment.
- Business Owners: If you use trailers for business purposes, this lock will help protect your valuable assets from theft or unauthorized access.
- Homeowners: Even if you only use your trailer occasionally, the Master Lock 379ATPY is a worthwhile investment to ensure its safety.
Pros and Cons of the Master Lock 379ATPY
Pros
- Advanced locking mechanism resists picking and prying.
- Zinc construction provides rust and corrosion resistance.
- Laminated steel construction enhances durability.
- Keyway cover protects the lock from moisture and dirt.
- Universal fit ensures compatibility with most trailer couplers.
- Includes two keys for added convenience.
- Backed by a limited lifetime warranty.
Cons
- May not fit non-standard or oversized trailer couplers.
- Slightly higher price point compared to basic locks.
Special Feature: Portable
Item Dimensions: 5.1 x 3.5 x 4.6 inches
Material: Zinc
Color: Black
Compatibility: Fits 1-7/8 in. (48mm), 2 in. (51mm), and most 2-5/16 in. (59mm) trailer couplers
Included Components: 1 trailer coupler lock and 2 keys
Warranty: Limited Lifetime Warranty
Who Should Buy the Master Lock 379ATPY?
The Master Lock 379ATPY is an excellent choice for anyone who owns a trailer, RV, or other vehicle that requires secure locking. It’s particularly well-suited for:
- Frequent Travelers: If you often take your trailer or RV on the road, this lock will provide the security you need to protect your vehicle from theft.
- Outdoor Enthusiasts: Whether you’re camping, boating, or hauling equipment, the Master Lock 379ATPY will keep your trailer secure in any environment.
- Business Owners: If you use trailers for business purposes, this lock will help protect your valuable assets from theft or unauthorized access.
- Homeowners: Even if you only use your trailer occasionally, the Master Lock 379ATPY is a worthwhile investment to ensure its safety.
Pros and Cons of the Master Lock 379ATPY
Pros
- Advanced locking mechanism resists picking and prying.
- Zinc construction provides rust and corrosion resistance.
- Laminated steel construction enhances durability.
- Keyway cover protects the lock from moisture and dirt.
- Universal fit ensures compatibility with most trailer couplers.
- Includes two keys for added convenience.
- Backed by a limited lifetime warranty.
Cons
- May not fit non-standard or oversized trailer couplers.
- Slightly higher price point compared to basic locks.
Final Verdict
The Master Lock 379ATPY Universal Trailer Hitch Lock is a top-tier security solution for anyone looking to protect their trailer, RV, or other vehicle. Its advanced locking mechanism, durable construction, and thoughtful design make it a standout product in its category. While it may come at a slightly higher price point, the peace of mind and long-term durability it offers make it a worthwhile investment.
If you’re in the market for a reliable and secure trailer hitch lock, the Master Lock 379ATPY is an excellent choice. Its combination of security, durability, and ease of use ensures that your trailer remains safe, no matter where you park it. With the added assurance of a limited lifetime warranty, you can trust that this lock will provide years of reliable performance.
Where to Buy
The Master Lock 379ATPY Universal Trailer Hitch Lock is available at most hardware stores, automotive retailers, and online marketplaces like Amazon, Home Depot, and Walmart. Be sure to purchase from a reputable seller to ensure you receive a genuine product backed by the manufacturer’s warranty.
Conclusion
In conclusion, the Master Lock 379ATPY Universal Trailer Hitch Lock is a high-quality, reliable, and secure solution for protecting your trailer or RV. Its advanced features, durable construction, and trusted brand reputation make it a practical choice for anyone seeking peace of mind. Whether you’re a frequent traveler, outdoor enthusiast, or business owner, this lock will provide the security you need to keep your assets safe. Don’t compromise on security—choose the Master Lock 379ATPY for your trailer locking needs.