Master Lock 3794DAT Trailer Coupler and Receiver Lock Kit
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Protect your trailer with the Master Lock 3794DAT Trailer Coupler and Receiver Lock Kit, designed to provide strong, reliable security against unauthorized towing. This all-in-one set includes a trailer coupler lock, a receiver lock with an easy Push to Lock system, and an adjustable stainless steel coupler latch lock. Whether you’re storing your trailer at home or transporting valuable items on the road, this kit ensures your trailer stays safe and secure.
Ideal for trailer owners and outdoor enthusiasts, this versatile lock kit fits most standard couplers including 1-7/8", 2", and many 2-5/16" sizes. The receiver lock features a water-tight cap and Weather Tough seal to protect against moisture and debris, delivering consistent performance in various weather conditions. The adjustable latch lock fits from 9/16" to 2-3/4", adding flexible protection to different trailer setups.
Use this lock set to secure your trailer while parked, during transportation, or when leaving it unattended at job sites or storage facilities. It offers peace of mind by preventing theft and unauthorized access. Backed by a Limited Lifetime Warranty, the Master Lock 3794DAT kit is a durable and trusted choice for anyone seeking dependable trailer security.
- Secures Trailer: Robust locks prevent theft - perfect for storage or travel.
- Quick Locking: Push to Lock design offers fast, hassle-free operation - no keys needed to engage lock.
- Weather Resistant: Sealed components protect internal parts - reliable in all weather conditions.
- Adjustable Fit: Latch lock fits multiple coupler sizes - ensures versatile use.
- Trusted Durability: Backed by a Limited Lifetime Warranty - quality you can depend on.
- Enhance trailer security with an all-in-one lock set protecting coupler and receiver.
- Utilize the Push to Lock mechanism for quick, effortless locking and removal.
- Benefit from moisture-resistant Weather Tough seal for lasting durability.
- Adjust the stainless steel coupler latch lock for versatile application range.
- Rely on a Limited Lifetime Warranty that ensures product reliability and support.
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- Address: 4675 East Grand River Ave, Howell, MI 48843
- Phone: (517) 225-1991 (Call or text)
- Hours: Monday to Friday: 10:00 AM - 5:30 PM | Saturday: By appointment
Thank you for considering AAA Trailer. We're excited to help you hit the road with confidence! If you have any questions, don't hesitate to contact us.
To deliver your favorite products, we have partnered with the UPS & FEDEX . We are ready to entrust them with your orders and are always on your side if something goes wrong.
We will be happy to assist you with eligible returns, the return instructions, and the shipping address. If you need a return or exchange, send us an email so we can discuss a replacement.
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Yes. We partner with UPS and FedEx for shipping. Delivery timelines can vary by item and destination.
Yes, delivery may be available depending on your location and the item. For the fastest confirmation (and pickup/delivery coordination), please call or text us and we’ll guide you through the options.
If you need a return or exchange, email us first so we can discuss the best solution. We’ll help confirm eligibility and provide return instructions and the correct shipping address.
Yes—AAA Trailer offers financing options for select trailer brands. Details and application links are available on the Financing page.
For most products, a license is not required. If an item does require one, it will be clearly stated on the product page.
Warranty coverage depends on the manufacturer/product and will be listed when applicable. For example, some trailer listings specify coverage such as 1-year overall + 1-year axle coverage.
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