Ravi, 35, Mumbai, parks his trailer outdoors during monsoon season
Master Lock 379DAT resists rust and tampering, securing his trailer reliably. Delivered in 3 days, with all duties paid, saving ₹ on local locks.
You save 520 (8%)
Estimated doorstep delivery by 26 Nov - 28 Nov from USA






Secure Your Trailer with Authentic Master Lock
Master Lock 379DAT is a universal trailer coupler lock, crafted from durable steel with a polished finish. It fits most common trailer coupler sizes, including 1-7/8, 2, and 2-5/16 inches, ensuring compatibility with Reese, Fulton, Valley, and other major brands. The advanced locking mechanism provides resistance to picking and prying, enhancing security during transport or storage. Its rust-resistant coating makes it suitable for Indian monsoon conditions, preventing corrosion and ensuring longevity. Easy to install and remove, it offers a reliable solution for vehicle, trailer, and RV hitch security. Imported directly from USA, it arrives in 48-72 hours via ExpressBox, duties paid, with a 14-day Smile Guarantee.
Reviewers report that the lock's robust construction withstands harsh weather and tampering attempts, making it ideal for Indian outdoor use. Its simple key mechanism allows quick access, and the silver finish maintains appearance over time. Perfect for Indian trailer owners seeking trusted security without local compromises. Delivery is tracked, with all duties included, arriving in 11-13 days.
In India, this lock offers a premium alternative to local cheap locks, providing peace of mind for trailer and RV owners. Compatible with standard couplers, it is suitable for various vehicle types, including caravans and utility trailers. Buy now for fast, duty-paid delivery, and secure your assets with a trusted USA brand.
Trusted USA Engineering & Durability
Master Lock is a globally recognized brand known for high-quality security products. The 379DAT model offers advanced locking technology, corrosion resistance, and reliable performance, making it a preferred choice for Indian trailer owners seeking authentic US standards.
Ideal for Indian Trailer & RV Owners
Designed to withstand Indian monsoon conditions, this lock resists rust and corrosion. Its universal fit ensures compatibility with most trailer couplers, providing peace of mind during long hauls or storage, with fast, duty-paid delivery from USA.
Typical situations where Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion helps — illustrative scenarios, not customer reviews.
Ravi, 35, Mumbai, parks his trailer outdoors during monsoon season
Master Lock 379DAT resists rust and tampering, securing his trailer reliably. Delivered in 3 days, with all duties paid, saving ₹ on local locks.
| Material | Polished steel |
| Recommended Use | Securing trailer couplers |
| Reapplication Interval | As needed, after exposure to rain or dirt |
| Shelf Life | Unopened, indefinite |
| Reapplication math | N/A |
| Contraindications | None |
| Allergens / Irritants | None |
| Feature | Master Lock Trailer | Others |
|---|---|---|
| Material & Finish | Polished steel, rust-resistant, durable for Indian weather | Cheap zinc or painted locks, prone to rust in monsoon |
| Compatibility | Fits most 1-7/8, 2, 2-5/16 inch couplers from major brands | Limited sizes, often incompatible with Indian trailers |
| Security & Locking | Advanced lock mechanism resists picking and prying | Basic locks with no tamper resistance |
| Delivery & Warranty | Arrives in 48-72 hours, lifetime warranty included | Longer delivery times, limited warranty |
| SKU | vxg1019 |
| GTIN | 00071649116162 |
| Brand | Master Lock |
| Model Number | 379DAT |
| Finish Type | Polished |
| Color | Silver |
| Material | Steel |
About Master Lock
Master Lock is a global leader in security solutions, known for durable, high-quality locks and safety products since 1921.
Compliance & Legal
This is a security lock; no medical or safety regulation applies.
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This item:
Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion
5,700

This item
Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion
5,700
Total price:
20,530
You save 6,980 (25%) Extra3 items selected
3 items
20,530You save 6,980 (25%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 5,700 6,220 | 6,280 8,900 | 8,550 12,390 | 23,830 42,050 | 3,890 5,160 | 1,200 1,700 | 4,780 7,050 |
| Brand Name | Master Lock | INBIKE | VanEnjoy | K&H Pet Products | Anpark | uxcell | LEDAUT |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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