Product Overview
Introducing the 37201-G Zinc Alloy Trailer Anti-theft Hitch Coupler Lock – a reliable and durable security solution designed to safeguard your trailer, RV, or truck hitch connections from theft and unauthorized access. Crafted from high-quality zinc alloy, this lock combines exceptional strength with a sleek imitation gold plating finish, ensuring both long-lasting performance and an attractive appearance that resists corrosion and wear.
With a 1/4 inch span and 3/4 inch locking diameter, it provides a secure fit for most standard trailer connector setups, making it ideal for hauling, towing, and everyday use. The key-unlock design adds an extra layer of security, preventing tampering and ensuring that only authorized users can access your trailer.
Each lock comes packaged in a sturdy carton box, protecting it during shipping and storage, and weighs just 0.165 kg – lightweight enough for easy handling without compromising on durability. Whether you’re a professional hauler, a recreational RV owner, or simply need a reliable lock for your trailer, the 37201-G Zinc Alloy Trailer Anti-theft Hitch Coupler Lock is the perfect choice for keeping your equipment safe.
Key Features
-
✅High-Quality Zinc Alloy Construction: Offers exceptional durability and resistance to corrosion, ensuring long-term use even in harsh weather conditions.
-
✅Imitation Gold Plating Finish: Enhances the lock’s appearance while providing an additional layer of protection against scratches and wear.
-
✅Secure 1/4 Inch Span & 3/4 Inch Locking Diameter: Designed to fit most standard trailer connector setups, delivering a tight and reliable lock to prevent theft.
-
✅Key-Unlock Security System: Provides controlled access, ensuring only authorized individuals can unlock and use the trailer, reducing the risk of theft or unauthorized use.
-
✅Lightweight & Portable: Weighs just 0.165 kg, making it easy to carry, install, and remove without adding unnecessary bulk to your towing setup.
-
✅Sturdy Carton Box Packaging: Protects the lock during transportation and storage, ensuring it arrives in perfect condition and stays safe when not in use.
-
✅Versatile Compatibility: Suitable for trucks, automobiles, RVs, and various trailer types, making it a multi-purpose security solution for all your hauling needs.
Applications
The 37201-G Zinc Alloy Trailer Anti-theft Hitch Coupler Lock is a versatile security solution suitable for a wide range of applications, including:
-
Trucks & Commercial Vehicles: Secures hitch couplers on delivery trucks, freight carriers, and other commercial hauling vehicles to protect valuable cargo during transit.
-
RVs & Recreational Trailers: Keeps RV hitch connections, travel trailer couplers, and camper attachments safe when parked or stored, preventing theft of both the trailer and its contents.
-
Utility Trailers: Ideal for securing utility trailers used for transporting equipment, tools, landscaping supplies, or personal items, ensuring your valuable gear stays protected.
-
Automobile Trailers: Compatible with car trailers, boat trailers, and motorcycle trailers, providing reliable anti-theft protection for your recreational vehicles and equipment.
-
Industrial & Construction Sites: Secures trailers used to transport construction materials, machinery, or heavy equipment, reducing the risk of theft at job sites.

Technical Specifications
Item No. |
37201-G |
Material |
Zinc Alloy |
Finish |
Imitation Gold Plating |
Weight |
0.165 kg |
Dimensions |
43.8×46 mm |
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?
-
Trusted by global trailer and RV manufacturers
-
Built to withstand harsh environments
-
Easy to install with minimal tools
-
Perfect for outdoor adventures, mobile living, or utility applications
Share your thoughts
Showing
6
of
0
reviews