Universal Trailer Coupler Lock Adjustable Heavy Duty Anti-Theft Hitch Lock

Description:

Built to Last in Any Condition: Constructed with a die-cast aluminum alloy body paired with a hardened steel lock core, this trailer coupler lock delivers the ideal balance of lightweight durability and maximum tamper resistance. The aluminum housing resists corrosion and rust without adding unnecessary weight, while the hardened steel core withstands cutting, drilling, and forced entry attempts. Every unit passes strict quality inspection throughout production and packaging to ensure consistent performance for bulk and wholesale orders.

Maximum Security Guaranteed: The adjustable locking mechanism features precision-engineered components that firmly grip the coupler ball, eliminating any unwanted movement or tampering once locked. The unique key-rotation design — insert and turn 180° clockwise — activates a secure metal ball engagement that resists forced entry. Designed to prevent tow-away theft, this lock provides peace of mind whether your trailer is parked overnight, stored at a lot, or left unattended at a job site.

One Lock for Every Trailer Type: Whether securing a boat trailer at the marina, an RV at a campground, a tractor at a farm, or a cargo trailer at a distribution center, this coupler lock adapts to real-world demands. The bright red color serves as a visual deterrent, immediately signaling to would-be thieves that the trailer is protected. Trusted by recreational users, logistics operators, and outdoor professionals across North America and Australia.

Compatible with All Major Ball Sizes: This trailer hitch coupler lock is universally compatible with 1-7/8", 2", and 2-5/16" ball couplers — the three most common sizes used across RVs, boats, trucks, campers, SUVs, vans, and tractors. No tools required for installation: simply place the lock onto the coupler, adjust the metal ball position, and rotate the key to lock. Setup takes under 60 seconds, making it practical for daily use.

Reliable Supply at Scale: As a manufacturer-backed supplier, we offer flexible MOQ options, consistent batch quality, and OEM/ODM customization for wholesalers, retailers, and regional distributors. Every shipment includes documented quality inspection reports. Our supply chain supports high-volume orders with stable lead times, competitive ex-factory pricing, and dedicated B2B account management — ensuring your customers receive the same reliable product every time.

Theft Prevention You Can See and Trust: The heavy-duty steel body and key-lock mechanism are engineered specifically to resist cutting, prying, and forced removal. The bold red finish acts as an active visual deterrent, reducing theft risk before any attempt is made. Designed for trailers left in public parking areas, storage facilities, and remote job sites where security cannot be compromised.

Maximum Lifespan, Minimum Replacement Cost: The aluminum alloy body delivers natural corrosion resistance and significantly reduces product weight compared to all-steel alternatives, while the hardened steel lock core ensures the locking mechanism withstands cutting, prying, and long-term mechanical stress. This dual-material construction extends product lifespan well beyond standard single-material locks, reducing replacement frequency and total cost of ownership — a critical advantage for wholesalers managing high-volume inventory turnover.

Install, Lock, and Go in Under 60 Seconds: No wrenches. No adapters. No complicated setup. The tool-free installation process is designed for drivers who need reliable security without delays. The intuitive 180° key-turn mechanism and adjustable ball position accommodate different coupler depths, allowing fleet drivers and individual users alike to secure their trailer in seconds — every single time.

CE, ISO, and SAE J684 Compliant: This trailer coupler lock meets international quality and safety standards, including CE certification, ISO quality management system compliance, and SAE J684 — the industry benchmark for trailer hitch and coupler components in North American markets. These certifications validate product reliability for importers, distributors, and retailers sourcing for regulated markets across the US, EU, Canada, and Australia.

From Factory to Your Shelf: We are a vertically integrated manufacturer with direct export capabilities, offering full traceability from raw material to finished product. partners benefit from: customizable packaging and branding (OEM/ODM), multi-SKU bundling options, third-party inspection coordination, and dedicated export documentation support. Whether you are a first-time importer or an established distributor, our team ensures your orders are fulfilled on time, every time.

Q1. What is your MOQ ?

A:For stock :10 PC , Customization: Minimum order quantity ranges from 10 to 1000 pieces per product. Please consult our sales representatives for specific quantities.

Q2. Does the product meet European and American certification standards?

Our products are certified to European and American standards, including CE, ISO, and DOT certifications. Additionally, we hold dozens of design patent molds, ensuring market protection for your purchases or sales.

Q3.What are your advantages compared with others?

A: 1. With our own factory to manufacture the products, we can ensure timely products delivery

2.Owned factory, the same quality product. the best price

3. We have professional staffs, let you enjoy comfortable and effective communication

4. More efficient management in every process.

Q4.How do you control your quality?

A: 1.Selecting good steel material, producing follow the standard, proper inspection of products

2.100% finished product testing

3.Iso quality management system certificated factory

4.We accept inspection of products.

Q5. Can I order a sample with my own design /logo ?

Yes, our design team can create samples based on your sketches, images, or designs. If you have uncertainties about the product, we can first produce a 3D printed model for your review before proceeding with the formal sample production

Q6: Can I get a free sample ?

A:Because many customers want it, and development cost is too high, we cannot provide free samples, but when you place an order ,the sample cost can be refund to you .

Q7: What is your Sample Lead-Time ?

A: Within 5 working days after confirm all details. If busy season, about 7 working days.

Q8:Can I get a quote for the products I need?

Of course, you can send us an inquiry and provide product dimensions along with detailed images (front, side, back, internal structure, etc.). This will help us provide a more accurate quote. We would be happy to send you a quote.

Q9: What about the delivery day?

Typically 7 to 35 days, depending on the complexity and quantity of the product. You can confirm with us based on your specific prod，We accept 100% T/T payment before delivery, or 30% deposit and 70% before delivery.

Q10:Which kind of shipping way can choose ?

A: By air or by sea. If ship by express (UPS,DHL, FEDEX, EMS ), Shipping time 5-7 days ,except the EMS(EMS is the cheapest way but take more time ). By air : shipping time 12-15 days (the products can't less 22 KG) . By sea (has the different Time-based can choose, within 25 days, 30-35 days , 50-60 days ).some country can shipping by train or truck. you can decide suitable shipping way according to what your need.

Q11:Which kind of shipping way can choose ?

A: Accepted Delivery Terms: FOB, CFR, CIF, EXW, DDP, DDU

Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF

Accepted Payment Type: T/T,L/C,D/P D/A, MoneyGram, Credit Card, Western Union, Cash, Escrow

Language Spoken: English, Chinese, Spanish, Japanese, Portuguese, German, French, Arabic, Russian, Korean.