CURT K-5138 Class 2 Trailer Coupler | 3,500 LBS GTW, 2" Ball, Zinc Plated
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Description
xOverview
When you’re replacing a broken coupler or building a new trailer, CURT delivers a dependable straight-tongue option designed for lasting performance. The K-5138 couples with a standard 2-inch ball and uses a Posi-Lock latch for straightforward operation. A durable zinc finish guards against the elements, helping resistance to wear and tear as you tow. With a gross trailer weight rating of 3,500 pounds and a tongue weight rating of 500 pounds, this coupling solution aims to handle everyday towing demands without sacrificing reliability.
Designed for a straight trailer tongue, the 3-inch channel provides a predictable mounting footprint that fits common trailer builds. The result is a simpler installation path and a secure connection you can trust across seasons and miles. This model embodies CURT’s approach to sturdy construction, practical adjustability, and security-enhancing features, all backed by a limited lifetime warranty on couplers.
Key specifications
- 3-inch wide mounting channel compatible with straight tongues
- 2-inch diameter trailer ball compatibility
- 3,500 lb gross trailer weight rating
- 500 lb tongue weight capacity
- Durable zinc plating for corrosion resistance
Why CURT K-5138 stands out
- Posi-Lock latch for easy, adjustable secure coupling
- Lockable latch accepts a safety pin or coupler lock for added security
- High-strength punched, die-cut steel construction
- Corrosion-resistant finish suitable for boats, trailers, and gear haulers
- Includes CURT’s limited lifetime warranty on couplers
Installation and care
To install, align the 3-inch channel with a straight trailer tongue and secure with the provided hardware. The internal nut and posi-lock spring allow a snug fit around the ball, while the latch is designed to work with a pin or lock for enhanced security. After installation, test the latch, verify a solid engagement, and keep a safety pin or lock on hand for added peace of mind.
Maintenance is straightforward: keep the surface clean, inspect for signs of wear or corrosion, and replace worn components as needed. This routine helps maintain reliable performance and reduces the chance of looseness while towing.
In short, the CURT K-5138 offers a practical, ready-to-use solution for straight-tongue trailers that require robust coupling, easy setup, and a durable finish. If your trailer matches the 3-inch channel and 2-inch ball criteria, this coupler presents a viable option to consider alongside your towing setup.
FAQ
Q: What is the weight capacity of the CURT K-5138 coupler?
A: Rated for 3,500 lbs gross trailer weight and 500 lbs tongue weight.
Q: Does the latch support additional security for towing?
A: Yes, the Posi-Lock latch accepts a safety pin or coupler lock for added security.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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