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Hitch Locks
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  7. Master Lock Trailer…
Master Lock

Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion

Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹5,700₹6,220

You save ₹520 (8%)

Qty
Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion — Silver
Silver
₹5,700
₹6,220
In Stock

Estimated doorstep delivery by 26 Nov - 28 Nov from USA

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Tested and Trusted · Always Original & 100% Imported

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Sourced from US retailers
Sourced from US retailers
Factory-Sealed
Factory-Sealed
All Duties Included
All Duties Included
GST Invoice Issued
GST Invoice Issued
ExpressBox Tracked
ExpressBox Tracked
Secure Payments
14-Day Smile Guarantee
14-Day Smile Guarantee

Secure Your Trailer with Authentic Master Lock

About this item

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.

Key Features

  • Best used for vehicles, trailers, and RV hitch locks
  • Trailer hitch lock is easy to install and remove
  • Trailer coupler resists rust and corrosion; Advanced locking mechanism resists picking and prying
  • Fits most 1-7/8 in. (48 mm), 2 in. (51 mm) and 2-5/16 in. (59 mm) couplers: Reese, Fulton, Valley, Atwood, Shelby, Putnam, Hammerblow, Dutton Lainson, UFP
  • Includes one coupler lock, two keys

Why choose this product

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.

How to use

  • Insert the lock — Align the lock with the coupler latch, insert the key, and turn to lock securely. Remove the key for tamper-proofing.
  • Remove the lock — Insert the key, turn to unlock, and detach from the coupler. Store the key safely for future use.
  • Check security — Ensure the lock is fully engaged and the key is removed before leaving the trailer unattended.

Example scenarios

Typical situations where Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

Ravi, 35, Mumbai, parks his trailer outdoors during monsoon season

How this product helps

Master Lock 379DAT resists rust and tampering, securing his trailer reliably. Delivered in 3 days, with all duties paid, saving ₹ on local locks.

Specifications & installation

Specifications

MaterialPolished steel

Installation & usage

Recommended UseSecuring trailer couplers
Reapplication IntervalAs needed, after exposure to rain or dirt
Shelf LifeUnopened, indefinite
Reapplication mathN/A
ContraindicationsNone
Allergens / IrritantsNone

How we compare

FeatureMaster Lock TrailerOthers
Material & FinishPolished steel, rust-resistant, durable for Indian weatherCheap zinc or painted locks, prone to rust in monsoon
CompatibilityFits most 1-7/8, 2, 2-5/16 inch couplers from major brandsLimited sizes, often incompatible with Indian trailers
Security & LockingAdvanced lock mechanism resists picking and pryingBasic locks with no tamper resistance
Delivery & WarrantyArrives in 48-72 hours, lifetime warranty includedLonger delivery times, limited warranty

Product details

SKUvxg1019
GTIN00071649116162
BrandMaster Lock
Model Number379DAT
Finish TypePolished
ColorSilver
MaterialSteel

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.

Customer Reviews

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FAQ, See What Others Asked

How do I select the right trailer lock for my vehicle in India?
Ensure your trailer coupler size matches 1-7/8, 2, or 2-5/16 inches. Master Lock 379DAT fits most major brands and offers resistance to tampering, suitable for Indian conditions. Arrives in 11-13 days with duties paid, backed by a lifetime warranty.
Is the Master Lock 379DAT suitable for Indian monsoon weather?
Yes, the polished steel construction resists rust and corrosion, making it ideal for Indian monsoon climates. The advanced lock mechanism provides high security during long-term outdoor use.
Can I use this lock on different trailer brands in India?
Absolutely. The 379DAT model is designed to fit most 1-7/8, 2, and 2-5/16 inch couplers from brands like Reese, Fulton, Valley, and others, ensuring broad compatibility for Indian trailers and RVs.
How quickly will my order arrive in India?
Your Master Lock trailer lock ships via ExpressBox, arriving in 11-13 days. Duties are paid, and the product is factory-sealed for your peace of mind.
How do I install and remove the trailer lock?
The lock is designed for easy installation and removal with a key lock mechanism. Simply insert the key, turn to lock or unlock, and secure your trailer in seconds.

Frequently bought together

Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion

This item:

Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion

₹5,700

Master Lock Trailer Lock 379DAT Silver Universal Trailer Coupler Lock | Resistance to Picking & Corrosion

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%) Extra

3 items selected

3 items

₹20,530

You save ₹6,980 (25%) Extra

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Spec
Price
₹5,700
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₹6,280
₹8,900
₹8,550
₹12,390
₹23,830
₹42,050
₹3,890
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₹4,780
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Brand NameMaster LockINBIKEVanEnjoyK&H Pet ProductsAnparkuxcellLEDAUT
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹5,700₹6,220

You Save ₹520

Estimated doorstep delivery by 26 Nov - 28 Nov from USA
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Tracked delivery

Tracked from USA · duties included
Genuine USA Imported Product
Damaged? Covered*

*Genuine defect, damage, wrong item or non-delivery, reported within 14 days; refund after inspection. Conditions

Your Order Journey: From Purchase to Doorstep

You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you
You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

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vs
₹17,100+ (3× the price)
₹5,700 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
4–12 weeks · No tracking
11-13 days · live tracking
Grey market, no guarantee, no protection, no refund
Sourced from US retailers, India-verified, return available
Lost in transit = ₹0 back
Full protection included