--- product_id: 253529348 title: "CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs" brand: "curt" price: "5745911₫" currency: VND in_stock: true reviews_count: 5 category: "Curt" url: https://www.desertcart.vn/products/253529348-curt-25100-straight-tongue-trailer-coupler-for-3-inch-channel store_origin: VN region: Vietnam --- # Posi-lock latch with lockable security 5,000 lbs towing capacity Durable zinc corrosion-resistant finish CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs **Brand:** curt **Price:** 5745911₫ **Availability:** ✅ In Stock ## Summary > 🔗 Lock in your load, unlock your adventure! ## Quick Answers - **What is this?** CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs by curt - **How much does it cost?** 5745911₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/253529348-curt-25100-straight-tongue-trailer-coupler-for-3-inch-channel) ## Best For - curt enthusiasts ## Why This Product - Trusted curt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit:** Designed for a snug fit on 3-inch channel tongues and standard 2-inch balls. - • **Secure Locking:** Posi-lock latch accepts safety pins or locks for ultimate peace of mind. - • **Heavy-Duty Strength:** Handles up to 5,000 lbs gross trailer weight for serious towing power. - • **Weatherproof Durability:** Zinc plating resists rust, rain, and road grime to outlast the elements. - • **Effortless Adjustability:** Easily fine-tune the fit with an internal adjustable nut and spring mechanism. ## Overview The CURT 25100 Straight Tongue Trailer Coupler is a robust, zinc-plated steel coupler designed for 3-inch trailer tongues and 2-inch hitch balls. Rated for 5,000 lbs gross trailer weight and 700 lbs tongue weight, it features a secure posi-lock latch with lockable options and an adjustable fit mechanism, ensuring reliable, corrosion-resistant towing performance backed by a limited lifetime warranty. ## Description If you are replacing a broken coupler on your trailer or installing a new one on a trailer you are building, CURT has dependable couplers you can trust to keep your tow load latched on tightly. Selecting the right trailer hitch, ball mount and trailer ball to manage the weight of your trailer is not the only important aspect of towing; you also need a trailer that can stand up to the road ahead. That means equipping it with a coupler that is built to go the distance. CURT straight-tongue couplers, featuring our Posi-Lock latch, are the most common type of trailer coupler. With a mounting channel designed to fit onto a straight trailer tongue, the Posi-Lock coupler is easy to install. It is made from hardy steel construction and has a durable zinc finish to protect from corrosion, wear and tear. The lockable latch mechanism on CURT Posi-Lock couplers is easy to operate and adjusts by tightening or loosening a simple bolt. This CURT straight-tongue coupler features a gross trailer weight capacity of 5,000 lbs. and a tongue weight capacity of 700 lbs. It has a 3" channel and fits a 2" diameter trailer ball. All CURT couplers include a limited lifetime warranty and feature a lockable latch to give you peace of mind. Review: It is exactly what I needed. Thx Hector Review: Funciona tal cual con lo que ofrece ## Features - PRECISE FIT. This trailer coupler is designed to mount onto a 3-inch wide trailer tongue beam and couple to any standard 2-inch diameter trailer ball - EASILY ADJUSTABLE. Equipped with a posi-lock spring and adjustable nut on the inside, this trailer hitch coupler can easily be adjusted to ensure a snug fit on the trailer ball - SECURE COUPLING. The posi-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security - HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 3 trailer coupler and has a capacity of 5,000 lbs. gross trailer weight and 700 lbs. tongue weight - CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this straight tongue trailer coupler is finished in a durable zinc plating and makes a great boat trailer coupler ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001GN6YU0 | | Best Sellers Rank | 630,269 in Automotive ( See Top 100 in Automotive ) 752 in Trailer Couplings | | Brand | CURT | | Customer Reviews | 4.7 4.7 out of 5 stars (755) | | Date First Available | 13 Aug. 2012 | | Exterior | CLEAR ZINC | | Item Weight | 2.12 kg | | Item model number | 25100 | | Manufacturer | Curt Manufacturing | | Manufacturer part number | 25100 | | Model | Straight Coupler | | OEM Part Number | 25100 | | Product Dimensions | 27.94 x 13.21 x 11.43 cm; 2.12 kg | ## Product Details - **Brand:** CURT - **Finish type:** CLEAR ZINC - **Item weight:** 2.12 kg - **Material:** Stainless Steel - **Vehicle service type:** Boat ## Images ![CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs - Image 1](https://m.media-amazon.com/images/I/71JTYkdKjsL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by H***Y on 31 October 2025* It is exactly what I needed. Thx Hector ### ⭐⭐⭐⭐⭐ Review *by F***R on 7 June 2021* Funciona tal cual con lo que ofrece ### ⭐⭐⭐⭐⭐ Review *by A***Z on 22 January 2023* منتج مميز جدا ومن شركة موثوقة ## Frequently Bought Together - CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs - attwood 11011-7 Heavy-Duty 51-inch Steel Boat Trailer Safety Chain with Spring Clip Hooks - Torin 1000 lbs Trailer Jack with Wheel, Heavy Duty Swivel Boat Trailer Jack Single Whee, 10" Lift, Bolt-on Trailer Tongue Jack for RV Boat ATR39001B --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/253529348-curt-25100-straight-tongue-trailer-coupler-for-3-inch-channel](https://www.desertcart.vn/products/253529348-curt-25100-straight-tongue-trailer-coupler-for-3-inch-channel) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-22*