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Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
The advanced locking mechanism provides resistance to picking and prying.
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Item #: 48198506

Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch

Item #: 48198506

XCD 164

Price Details

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*All items will import from US

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The advanced locking mechanism provides resistance to picking and prying.
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What Stands Out

Heavy-Duty Construction
Crafted from solid steel, the Master Lock 378DAT ensures maximum durability and resistance against tampering, providing peace of mind when securing your trailer.
Universal Fit
Designed to fit 2-5/16-inch couplers, this lock offers versatility for various trailers, making it a convenient solution for all your towing needs.
Weather-Resistant
Coated with a protective layer, this lock withstands harsh weather conditions, ensuring long-lasting performance and reliable security throughout all seasons.

Product Details

Shop Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch online at a best price in Saint Lucia. B09TNCJWMK
Brand NameMaster Lock
Manufacturer Part Number378DAT
OEM Equivalent Part Number378DAT
ManufacturerMaster Lock
UPC071649213236
Global Trade Identification Number00071649213236
Model Number378DAT
Included ComponentsCoupler Lock, Two Keys
Item Type NameCoupler Lock
Unit Count1.0 Count
Compatible with Vehicle TypeTrailer
Automotive Fit TypeUniversal Fit
Material TypeAlloy Steel
Finish TypePowder Coated
Item Weight3.4 Pounds (1.54 kg)
BrandMaster Lock
Vehicle Service TypeTrailer
MaterialAlloy Steel

Who Should Buy?

Suitable For
  • Frequent Towing Users

    Ideal for individuals who regularly tow trailers and need a reliable locking mechanism for security.

  • Security-Conscious Owners

    Perfect for trailer owners who prioritize theft prevention and require a durable lock to protect their property.

  • Commercial Fleet Operators

    Beneficial for businesses that manage a fleet of trailers, ensuring they are securely locked when not in use.

Not Suitable For
  • Occasional Trailer Users

    Not ideal for users who rarely tow, as the investment might outweigh the security benefits needed.

  • Smaller Trailer Hitches

    Unsuitable for those with smaller coupler sizes, as this lock is specifically designed for 2-5/16-inch couplers.

  • Budget-Conscious Buyers

    May not be the best option for individuals looking for the cheapest locking solution without considering quality.

Product Description

Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Master Lock Trailer Lock?

    Answer: The Master Lock Trailer Lock is designed to secure your trailer by fastening over the coupler, effectively preventing unauthorized access and theft. This lock fits 2-5/16 inch couplers, making it ideal for a variety of trailers. By using this lock, you add a robust layer of security, especially when leaving your trailer unattended in parking lots, campsites, or storage areas.
  • Question: How does the Master Lock Trailer Coupler Lock work?

    Answer: The Master Lock Trailer Coupler Lock works by engaging the coupler latch mechanism using a durable shackle. When installed, it prevents the coupler from opening, which keeps your trailer securely attached to the towing vehicle. This straightforward locking mechanism ensures peace of mind during trips and increases the safety of your valuable assets when parked.
  • Question: What materials are used in the construction of the Master Lock Trailer Lock?

    Answer: The Master Lock Trailer Lock is constructed from heavy-duty materials such as steel, which provides excellent resistance against rust and corrosion. The durability of these materials ensures that the lock can withstand harsh weather conditions and potential tampering, making it ideal for outdoor use, where trailers are often exposed to the elements.
  • Question: Is the Master Lock Trailer Lock suitable for all trailer types?

    Answer: While the Master Lock Trailer Lock is designed to fit 2-5/16 inch couplers, it is best suited for common trailer types such as utility, boat, and car transport trailers. Always check your trailer’s coupler size before purchasing to ensure a proper fit. This versatility makes it a popular choice among trailer owners looking for dependable security solutions.
  • Question: Can the Master Lock Trailer Lock be used in conjunction with other security measures?

    Answer: Yes, the Master Lock Trailer Lock can be effectively used alongside other security measures, such as wheel locks and alarm systems. By creating multiple layers of security, you enhance the protection of your trailer. This combination of locks makes it more difficult for potential thieves, deterring theft and increasing the overall security of your assets.
  • Question: How should I maintain my Master Lock Trailer Lock?

    Answer: To ensure optimal performance, regularly inspect your Master Lock Trailer Lock for signs of wear or corrosion. Applying a silicone-based lubricant to the keyhole can help prevent sticking and jamming. Maintenance is especially important if your lock is frequently exposed to moisture, as it can extend the lock's lifespan and maintain its functionality through various weather conditions.
  • Question: What size trailers does the Master Lock Trailer Coupler Lock fit?

    Answer: The Master Lock Trailer Coupler Lock is specifically designed to fit trailers with 2-5/16 inch couplers. This sizing accommodates a wide range of standard trailers, allowing it to secure various types effectively. Always ensure your trailer’s coupler matches this size for maximum security and an ideal fit.
  • Question: Why is the Master Lock Trailer Lock a good investment for my trailer security?

    Answer: Investing in the Master Lock Trailer Lock is worthwhile due to its robust build quality and reliability in preventing theft. It is a cost-effective security solution that offers peace of mind when leaving your trailer unattended. Whether you're at a trailer park, campsite, or at home, employing this lock could save you from potential loss and the hassle of dealing with theft.
  • Question: Where can I buy the Master Lock Trailer Lock in Saint Lucia?

    Answer: You can buy the Master Lock Trailer Lock from Ubuy in Saint Lucia. Ubuy offers a convenient online shopping experience, allowing you to purchase this essential security device easily. With a variety of options available, you can find the right fit for your trailer, ensuring optimal protection against theft.
  • Question: What are the dimensions of the Master Lock Trailer Coupler Lock?

    Answer: The dimensions of the Master Lock Trailer Coupler Lock vary slightly depending on the model, but it typically has a shackle diameter that is designed to fit snugly within 2-5/16 inch coupler openings. Its compact size is intended for easy storage and portability, making it a convenient addition to your trailer accessories. Always check the specific model for precise measurements.

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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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