{"product_id":"curt-2-inch-trailer-coupler-class-2-for-2-inch-channel-zinc-plated-3-500-lb-gtw-posi-lock","title":"CURT 2-inch Trailer Coupler Class 2 for 2-inch Channel Zinc-Plated — 3,500 lb GTW, Posi-Lock","description":"\u003cp\u003e\u003cstrong\u003eCURT K-5153 is a zinc-plated Class 2 straight-tongue trailer coupler that fits a 2\" channel and secures to a 2\" trailer ball, rated for 3,500 lb gross trailer weight and 500 lb tongue weight.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis CURT straight-tongue coupler is engineered to replace a worn coupler or finish a new trailer build with a dependable, easy-to-install locking latch. Built from punched, die-cut steel and coated in durable zinc plating, the K-5153 focuses on reliable performance—resisting corrosion and maintaining a snug, adjustable connection to a standard 2\" trailer ball. It uses CURT’s Posi-Lock latch system for straightforward adjustment and the option to add a safety pin or coupler lock for extra security.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the K-5153 attach to my trailer tongue?\u003c\/h3\u003e\n\u003cp\u003eThe coupler is designed to slide over a 2\" wide straight trailer tongue beam and fasten using the existing bolt holes on the coupler channel. Its internal adjustable nut lets you fine-tune the fit around the trailer ball so there’s no play once tightened.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMounts to a 2\" channel trailer tongue beam\u003c\/li\u003e\n  \u003cli\u003eFits a standard 2\" diameter trailer ball\u003c\/li\u003e\n  \u003cli\u003eAdjusts with an internal nut and Posi-Lock spring for a snug fit\u003c\/li\u003e\n  \u003cli\u003eInstalls with common hand tools—no specialty equipment required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat load capacities and class rating should I expect?\u003c\/h3\u003e\n\u003cp\u003eThis model is rated as a Class 2 coupler and is suitable for trailers with a gross trailer weight up to 3,500 lb and a tongue weight up to 500 lb. These ratings match light-duty utility trailers, small boat trailers, and many lawn or landscape trailers—but always verify your vehicle and trailer ratings before towing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGross trailer weight (GTW): 3,500 lb\u003c\/li\u003e\n  \u003cli\u003eTongue weight capacity: 500 lb\u003c\/li\u003e\n  \u003cli\u003eClass 2 coupler designation for light-duty towing\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard 2\" ball and common tow setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the finish and latch mechanism?\u003c\/h3\u003e\n\u003cp\u003eThe K-5153 uses a zinc plating that helps protect the steel from moisture, road salt, and grime—extending service life in wet or coastal environments. The Posi-Lock latch is simple to operate, locks securely around the ball, and accepts a safety pin or coupler lock for theft prevention and extra peace of mind.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable zinc plating resists corrosion and surface wear\u003c\/li\u003e\n  \u003cli\u003ePosi-Lock latch for positive engagement and easy operation\u003c\/li\u003e\n  \u003cli\u003eLatch accepts safety pin or coupler-style lock for security\u003c\/li\u003e\n  \u003cli\u003ePunched, die-cut steel construction for consistent strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward—slide the coupler onto the 2\" tongue channel, align the holes, and secure with grade-appropriate fasteners. Periodic inspection and lubrication of the latch and adjustment nut help maintain a tight connection and prolong service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires basic hardware to fasten to tongue channel\u003c\/li\u003e\n  \u003cli\u003eCheck and tighten adjustable nut after initial use\u003c\/li\u003e\n  \u003cli\u003eLubricate latch components periodically to prevent binding\u003c\/li\u003e\n  \u003cli\u003eInspect for corrosion or wear and replace when compromised\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The CURT K-5153 is aimed at DIY trailer builders, ranch and landscape professionals, boat owners with small trailers, and anyone replacing a worn or damaged coupler on a light-duty trailer. If your trailer tongue is a 2\" channel and your towing needs fall within a 3,500 lb GTW rating, this coupler delivers an adjustable, lockable, and corrosion-resistant solution backed by CURT’s limited lifetime warranty.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this coupler fit a 2\" trailer ball?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The CURT K-5153 is designed to couple to a standard 2\" diameter trailer ball.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the maximum gross trailer weight for this coupler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This coupler is rated for a gross trailer weight up to 3,500 pounds and tongue weight up to 500 pounds.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CURT","offers":[{"title":"Default Title","offer_id":48086120202398,"sku":"B001GN6YVE","price":42.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/curt-k-5153-front-profile.jpg?v=1785885373","url":"https:\/\/northtrailauto.ca\/products\/curt-2-inch-trailer-coupler-class-2-for-2-inch-channel-zinc-plated-3-500-lb-gtw-posi-lock","provider":"North Trail Auto","version":"1.0","type":"link"}