{"product_id":"gesexi-underbody-truck-box-brackets-18-18-set-of-2-bolted-channel-steel-black-coated-durable-support","title":"GESEXI Underbody Truck Box Brackets 18×18 Set of 2 — Bolted Channel-Steel, Black Coated Durable Support","description":"\u003cp\u003e\u003cstrong\u003eGESEXI 18\"×18\" underbody truck box brackets are a pair of bolted structural steel mounting supports designed to securely attach an underbody or trailer tongue toolbox to your truck frame.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese brackets provide a durable, corrosion-resistant foundation for installing underbody toolboxes, built from channel steel with a protective black coating. Sold as a set of two, they feature welded construction for rigidity and are shaped to match common toolbox mounting requirements. They are intended for bolted installation so you can mount or remove the toolbox without cutting or permanent alteration to the vehicle.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these brackets attach to my truck and toolbox?\u003c\/h3\u003e\n\u003cp\u003eThe GESEXI brackets are bolted structural mounts that fasten to the truck’s frame and the toolbox base. Their welded channel-steel form gives straight, stable contact surfaces for both frame and toolbox, simplifying alignment during installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e18\" long channel-steel body for stable support\u003c\/li\u003e\n  \u003cli\u003ePre-configured bolt points for through-frame attachment\u003c\/li\u003e\n  \u003cli\u003eSold in a matched pair to position both sides of the toolbox\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these resist rust and hold up outdoors?\u003c\/h3\u003e\n\u003cp\u003eYes—GESEXI brackets are fabricated from steel and finished with a black protective coating to slow corrosion and extend service life in outdoor conditions. Regular inspection and touch-up of worn areas will prolong lifespan, especially in salted-road or marine environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable steel construction for structural strength\u003c\/li\u003e\n  \u003cli\u003eBlack coated surface for basic corrosion protection\u003c\/li\u003e\n  \u003cli\u003eWelded joints reduce flex and maintain alignment under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sizes and configuration should I expect?\u003c\/h3\u003e\n\u003cp\u003eEach bracket measures 18\" long by 3.15\" wide and 18\" tall, providing a tall, narrow profile suitable for many underbody and tongue toolbox styles. The dimensions give clearance and leverage to hold the box away from frame features and road debris.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverall dimensions: 18\" (L) × 3.15\" (W) × 18\" (H)\u003c\/li\u003e\n  \u003cli\u003eSold as a set of two brackets for left and right mounting\u003c\/li\u003e\n  \u003cli\u003eChannel-steel construction shaped for common box bases\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill I need welding or extra hardware to install them?\u003c\/h3\u003e\n\u003cp\u003eThese are bolted structural brackets, so welding to the vehicle frame is not required for standard installations. You will need appropriate bolts, washers, and locking nuts sized for your vehicle’s frame thickness—select hardware that matches the bolt holes and vehicle specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for bolted installation—no permanent frame welding required\u003c\/li\u003e\n  \u003cli\u003eInstaller supplies grade-appropriate bolts and locking hardware\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle manufacturer torque and safety guidelines during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GESEXI 18\"×18\" underbody truck box brackets are aimed at tradespeople, contractors, fleet managers, and DIY truck owners who need a reliable, removable mounting solution for underbody or tongue-mounted toolboxes. Choose these brackets if you want heavy-duty steel supports with a coated finish, sold as a matched pair for a secure, aligned installation without permanent frame modification.\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: Do these brackets come with bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The set includes two steel brackets only; you must provide bolts, washers, and locking nuts sized to your vehicle frame.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I weld these brackets to my truck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are designed for bolted installation, but welding is possible if performed by a qualified welder following vehicle safety practices.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GESEXI","offers":[{"title":"Default Title","offer_id":48081435033758,"sku":"B0C4STXB64","price":112.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gesexi-front-facing-mounted-brackets.jpg?v=1785804344","url":"https:\/\/northtrailauto.ca\/products\/gesexi-underbody-truck-box-brackets-18-18-set-of-2-bolted-channel-steel-black-coated-durable-support","provider":"North Trail Auto","version":"1.0","type":"link"}