Product Overview
Introducing the 37201-B 1/4-Inch Black Receiver Lock – your ultimate solution for reliable anti-theft protection of truck, boat, and trailer hitch couplers. Crafted from high-quality zinc alloy, this small yet robust pin lock is engineered to withstand the harshest outdoor conditions, ensuring long-lasting performance and peace of mind for every journey.
The lock features a sleek black electrophoretic coating that not only enhances its visual appeal but also provides superior resistance against rust, corrosion, and wear. Whether you're using it for your daily truck trailer, a weekend boat trip, or any other automotive facility, this hitch latch lock offers a secure and convenient way to protect your valuable assets from theft.
Designed with ease of use in mind, the lock comes with a key-unlockable mechanism that allows for quick and hassle-free installation and removal. Its compact size (43.8*46mm) and lightweight design (0.165 kg) make it easy to carry and store, while its sturdy construction ensures that it can withstand even the most rigorous use. Whether you're a professional truck driver, a boating enthusiast, or a homeowner with a trailer, the 37201-B Black Receiver Lock is the perfect choice for keeping your property safe and secure.
Key Features
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✅Premium Zinc Alloy Construction: Made from high-quality zinc alloy, this lock offers exceptional durability and strength, ensuring long-lasting protection against theft and damage.
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✅Black Electrophoretic Coating: The advanced electrophoretic coating provides superior resistance against rust, corrosion, and wear, making the lock suitable for use in all weather conditions.
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✅Key-Unlockable Mechanism: The convenient key-unlockable design allows for quick and easy installation and removal, ensuring that you can secure your trailer or boat in no time.
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✅Compact and Lightweight Design: With a size of 43.8*46mm and a weight of 0.165 kg, this lock is easy to carry and store, making it ideal for on-the-go use.
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✅Versatile Application: Suitable for use with trucks, boats, trailers, and other automotive facilities, this lock is a versatile solution for all your anti-theft needs.
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✅Secure Hitch Coupler Protection: Specifically designed to secure hitch couplers, this lock prevents unauthorized access and theft, giving you peace of mind wherever you go.
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✅Frosted Black Finish: The frosted black finish not only adds a sleek and modern look to the lock but also provides an extra layer of protection against scratches and damage.
Applications
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Truck Trailers: Perfect for securing the hitch couplers of truck trailers, ensuring that your cargo and equipment are protected during transportation.
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Boat Trailers: Ideal for use with boat trailers, keeping your boat safe and secure when parked or during transit to and from the water.
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Automotive Facilities: Suitable for a wide range of automotive facilities, including utility trailers, RV trailers, and camping trailers, providing reliable anti-theft protection.
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Commercial Transportation: A must-have for professional truck drivers and commercial transportation companies, ensuring the security of valuable goods and equipment.
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Residential Use: Great for homeowners with trailers used for gardening, moving, or other personal purposes, protecting your property from theft.
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Outdoor Adventures: Perfect for outdoor enthusiasts who use trailers for camping, hiking, or other activities, keeping your gear safe while you explore.

Technical Specifications
Item No. |
37201-B |
Material |
Zinc Alloy |
Finish |
Black Electrophoretic Coating |
Weight |
0.165 kg |
Dimensions |
43.8*46mm |
Package |
Standard Carton Box |
Lead Time |
30 Days (Production Cycle) |

OEM/ODM Service
We provide OEM & ODM solutions for brands and vehicle manufacturers. Whether you need custom sizing, logo embossing, special finishes, or private-label packaging, we support full customization to meet your business needs.
Why Choose us?
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Trusted by global trailer and RV manufacturers
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Built to withstand harsh environments
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Easy to install with minimal tools
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Perfect for outdoor adventures, mobile living, or utility applications
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