BOYISEN
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BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
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BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
More Convenient with Handle: BOYISEN trailer kingpin Lock adds handle and turn cylinder outward instead of downward, making it easier to lock or unlock your 5th wheel under the trailer.
BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers
Item #: 88479045

BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth

89% of respondents would recommend this to a friend

Item #: 88479045

XCD 128

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More Convenient with Handle: BOYISEN trailer kingpin Lock adds handle and turn cylinder outward instead of downward, making it easier to lock or unlock your 5th wheel under the trailer.
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What Stands Out

Durable Construction
Constructed from solid steel, this lock ensures maximum security for your RV, trailer, or camper, safeguarding your investment against theft and tampering.
Keyed Alike System
The convenience of a keyed alike system allows users to manage multiple locks with a single key, making access easier and more efficient for RV owners and professional haulers.
Warning Tag Included
Equipped with a brightly colored warning tag, this lock serves as a visual deterrent, effectively communicating that your property is secured against theft and unauthorized access.

Product Details

Shop BOYISEN 5th Wheel King Pin Lock, Solid Steel, Handle, Warning Tag, Black | Outward-Facing Cylinder, Warning Tag and Key ID, 3 Keys; Anti-Theft Fifth Wheel Hitch Lock for RVs, Campers and Semi-Trailers online at a best price in Saint Lucia. B0C2PJXPK8
Brand NameBOYISEN
Recommended Uses For ProductRVs, container trailers, campers, boats, trucking companies, RV dealers, fleet drivers
Number of Pieces1
Included Components1x King Pin Lock, 1x Warning Tag, 3x Keys
Model Number190905
Model NameKPL
Number of Items1
ManufacturerBOYISEN
Number of Packs1
Unit Count1 Count
Item Type Nametrailer-hitch-locks
Manufacturer Part Number190905
Additional FeaturesCut Resistant
Lock TypePin Tumbler
Style NameIndustrial
ColorBlack
Material TypeAlloy Steel
Item Dimensions3.27 x 3.27 x 3.27 inches (8.3 x 8.3 x 8.3 cm)
Item Weight2 pounds (910 grams)
BrandBOYISEN
Special FeatureCut Resistant
Item dimensions L x W x H3.27 x 3.27 x 3.27 inches (8.3 x 8.3 x 8.3 cm)
MaterialAlloy Steel

What's in the box

1x Warning Tag

3x Keys

1x King Pin Lock

Who Should Buy?

Suitable For
  • RV Owners

    Ideal for RV owners seeking reliable security for their vehicles and accessories during travel or parking.

  • Frequent Travelers

    Perfect for those who regularly transport trailers, ensuring peace of mind against theft when parked.

  • Container Users

    Beneficial for businesses using shipping containers, providing an added layer of security against unauthorized access.

Not Suitable For
  • Short-Term Users

    Not suitable for users who only require temporary protection without long-term security needs.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the BOYISEN 5th Wheel King Pin Lock made from?

    Answer: The BOYISEN 5th Wheel King Pin Lock is crafted from solid steel, which provides exceptional durability and resistance against tampering. Solid steel enhances the lock's strength, making it significantly harder for thieves to compromise. This lock is designed specifically for RVs, semi-trailers, and campers, ensuring that your valuable property stays secured wherever you go. For instance, using this lock during a brief stop at a rest area can deter potential theft, providing peace of mind to travelers.
  • Question: How does the BOYISEN 5th Wheel King Pin Lock work?

    Answer: The BOYISEN 5th Wheel King Pin Lock functions by fitting securely over the king pin of your fifth wheel hitch. It effectively prevents anyone from coupling to your trailer without the key. The lock features handles that simplify the locking and unlocking process, adding convenience to its use. When preparing for a long trip, locking the king pin before leaving your vehicle unattended ensures that your hitch assembly remains intact and safeguards your trailer from unauthorized towing.
  • Question: Is the BOYISEN 5th Wheel King Pin Lock applicable for all types of trailers?

    Answer: Yes, the BOYISEN King Pin Lock is designed for a wide variety of fifth wheel trailers, including RVs, semi-trailers, and campers. This versatility makes it an excellent investment for individuals with different towing needs. Whether you use an RV for family vacations or manage semi-trucks for business, this lock is suitable for any fifth wheel hitch. You can confidently travel with different trailer types, knowing your hitch is secured.
  • Question: What is the purpose of the warning tag included with the lock?

    Answer: The warning tag that comes with the BOYISEN 5th Wheel King Pin Lock serves as a visual deterrent to potential thieves. By clearly labeling your trailer as secured with an anti-theft device, the tag communicates the risk of attempting to tamper with your hitch. This additional security measure can dissuade criminals from even attempting to break in. When parked at a campsite or a public area, displaying the warning tag emphasizes the security measures you've taken, enhancing the safety of your possessions.
  • Question: Can I use the BOYISEN King Pin Lock during adverse weather conditions?

    Answer: Absolutely! The BOYISEN 5th Wheel King Pin Lock is built to withstand various weather conditions, including rain, snow, and extreme temperatures. Its robust construction ensures reliable performance and longevity, regardless of environmental factors. For example, if you are camping in a winter environment, the lock's materials prevent rusting and maintain functionality when securing your trailer. This reliability is crucial for any traveler exposing their equipment to the elements.
  • Question: Does the BOYISEN King Pin Lock come with keys, and are they replaceable?

    Answer: Yes, each BOYISEN 5th Wheel King Pin Lock is supplied with a set of keys for opening and securing the lock. If you misplace your keys, you should contact the manufacturer for information regarding replacements. This aspect ensures that you can continue to safely use your lock without significant interruptions. Keeping a spare set of keys in a safe place is advisable for added reassurance while on the road.
  • Question: How can I install the BOYISEN King Pin Lock?

    Answer: Installing the BOYISEN 5th Wheel King Pin Lock is straightforward. Simply align the lock over the king pin of your fifth wheel hitch and secure it by engaging the locking mechanism using your key. The process takes just a few minutes. By securing this lock before leaving your trailer unattended, you can significantly reduce the risk of theft when parked at rest stops and camping sites.
  • Question: What are the benefits of using a king pin lock?

    Answer: Using a king pin lock like the BOYISEN model offers numerous benefits, including enhanced security and peace of mind. It protects your trailer from theft by restricting access to the hitch, which is often a targeted area for thieves. Additionally, this lock can deter unauthorized use of your trailer, ensuring that your investment stays safe when parked in public spaces. For individuals using their trailers frequently, this added layer of security can be invaluable.
  • Question: Where can I buy the BOYISEN 5th Wheel King Pin Lock?

    Answer: You can purchase the BOYISEN 5th Wheel King Pin Lock from Ubuy, which provides a reliable platform for finding this quality anti-theft device. Ubuy offers the convenience of browsing various product options, ensuring that you find the right lock to meet your needs. By choosing Ubuy, you can place your order securely and have the product delivered directly to your home, making it simple to enhance your trailer's security.
  • Question: Is the BOYISEN King Pin Lock portable and easy to transport?

    Answer: Yes, the BOYISEN 5th Wheel King Pin Lock is designed to be portable and easy to transport. It has a compact size that can fit conveniently into your RV or trailer setup without taking up excessive space. This portability makes it accessible for use anytime you need to secure your hitch. For example, whether you are moving from one campsite to another or just heading back home, you can bring the lock along effortlessly.

BOYISEN Hitch Locks 190905 Editorial Review

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The BOYISEN 5th Wheel King Pin Lock is gaining positive traction among RV, trailer, and camper owners, touted for its robust design and practical features. Many users appreciate the lock's solid steel Construction, which conveys a sense of security, making it an effective deterrent against theft. Customers find the lock easy to use, fitting well with various types including chassis and dry van king pins. A standout feature noted by several reviewers is the inclusion of a handle, which enhances ease of operation, particularly during installation and removal. The bright coloring of the lock serves a dual purpose, as it not only adds a visual deterrent but also helps users remember to remove it before hitting the road – a feature reminiscent of the safety ribbons used in aviation. Reviewers praise the craftsmanship and overall value, especially highlighting its lightweight yet durable build. While a few compromises, such as the plastic chain and warning tag, received mixed comments, they were generally viewed as minor inconveniences within the context of an otherwise well-designed product. Users also mentioned the rubber cover for the key access, which could be improved for better securing during use. Overall, the BOYISEN King Pin Lock is recommended for anyone looking for a reliable, user-friendly, and effective anti-theft solution for their RV or trailer. **

Customer Reviews & Ratings

3074 customers ratings
  • 5 Star
    85%
  • 4 Star
    12%
  • 3 Star
    2%
  • 2 Star
    0%
  • 1 Star
    1%

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Pros

  • Solid steel Construction ensures durability and security.
  • Easy installation and use; fits well on various king pins.
  • Built-in handle enhances operational ease.
  • Bright color serves as a visual deterrent and reminder.
  • Value for money with excellent craftsmanship.

Cons

  • The plastic chain and warning tag may not satisfy all users.

Platform Trust & Buyer Confidence

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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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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Features & Benefits

  • Convenient handle design for easy locking and unlocking.
  • Unique keyed system prevents key duplication.
  • Heavy-duty solid steel construction for increased security.
  • Weather-resistant and durable for long-term use.
  • High visibility warning tag for safety reminders.
  • Universal fit for RVs, boats, campers, and container trailers.

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