{"product_id":"curt-helux-coil-spring-5th-wheel-pin-box-2024122233-4000-max-pin-weight","title":"CURT Helux Coil-Spring 5th Wheel Pin Box | 2024122233 | 4,000 lb Max Pin Weight | 24K","description":"\u003cp\u003eUpgrade your 5th wheel towing experience with the \u003cstrong\u003eCURT Helux Coil-Spring 5th Wheel Pin Box (Part #2024122233)\u003c\/strong\u003e. Award-winning proprietary coil-and-shock technology that reduces force on the RV frame and body by up to 30% compared to similar pin boxes — meaningful smoother ride for you, your passengers, your pets, and everything you're towing. Rated for pin weights up to \u003cstrong\u003e4,000 lb\u003c\/strong\u003e (min 2,120 lb) and gross trailer weight up to \u003cstrong\u003e24,000 lb\u003c\/strong\u003e. Direct-fit Rhino Box mounting pattern replacement. Approved for use on all Lippert RV frames (will not void warranty). Made in USA with global materials. Backed by limited lifetime warranty.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ 2024 SEMA Show Award Winner — \"Best New Exterior Accessory\"\u003c\/h3\u003e\n\u003cp\u003eStandout industry credential: the CURT Helux Coil-Spring 5th Wheel Pin Box \u003cstrong\u003ewon \"Best New Exterior Accessory\" at the 2024 SEMA Show\u003c\/strong\u003e in Las Vegas — one of the biggest stages in the automotive aftermarket. The award recognized Helux for its groundbreaking impact on RV ride comfort and durability, setting a new standard in towing technology.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ 30% Force Reduction on RV Frame \u0026amp; Body — Standout Feature\u003c\/h3\u003e\n\u003cp\u003eStandout engineering benefit vs traditional and airbag-style pin boxes: \u003cstrong\u003ereduces force transferred into the RV frame and body by up to 30%\u003c\/strong\u003e. Meaningful long-term benefits:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced wear and tear\u003c\/strong\u003e on RV frame, walls, cabinets, and interior components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended structural life\u003c\/strong\u003e of the trailer over years of towing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLess shifting of cargo and gear\u003c\/strong\u003e during transit — protects belongings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmoother, more controlled ride\u003c\/strong\u003e — noticeable for passengers and pets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced stress at the coupling point\u003c\/strong\u003e — where hitch forces concentrate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⭐ Proprietary Coil-Spring \u0026amp; Shock Absorber Technology\u003c\/h3\u003e\n\u003cp\u003eStandout design vs traditional fixed pin boxes and airbag systems:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive-grade coil spring\u003c\/strong\u003e — delivers a forgiving, consistent ride quality\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated shock absorber\u003c\/strong\u003e — dampens chucking, jarring, and vibration\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMinimizes stress at the coupling point\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEspecially noticeable comfort improvement\u003c\/strong\u003e for passengers, pets, and mounted cargo\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⭐ Virtually Maintenance-Free — No Airbags, No Adjustments\u003c\/h3\u003e\n\u003cp\u003eStandout convenience vs airbag-style pin boxes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo air pressure to check\u003c\/strong\u003e — no compressor, no gauges, no leaks to chase\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo components to adjust\u003c\/strong\u003e — dial in once, tow forever\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo break-in period required\u003c\/strong\u003e — full performance from day one\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo airbags that can fail\u003c\/strong\u003e — coil spring outperforms and outlasts air systems\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eJust install and go\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⭐ Pin Weight Selection — Sized for Your 5th Wheel\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCritical sizing information:\u003c\/strong\u003e The right Helux pin box depends on your 5th wheel's \u003cem\u003eloaded\u003c\/em\u003e pin weight. This model (2024122233) is optimized for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimal loaded pin weight range:\u003c\/strong\u003e 3,166-3,712 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum pin weight (unloaded — empty tanks, no cargo):\u003c\/strong\u003e 2,120 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum pin weight (fully loaded):\u003c\/strong\u003e 4,000 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGross trailer weight capacity:\u003c\/strong\u003e Up to 24,000 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Helux 5th Wheel Pin Box Selection Chart\u003c\/h3\u003e\n\u003cp\u003eSelect by your \u003cstrong\u003eloaded\u003c\/strong\u003e pin weight — take your 5th wheel to a certified scale (e.g. CAT Scale) with cargo, water, and all travel-ready gear:\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eMin Pin Wt\u003c\/th\u003e\n\u003cth\u003eOptimal Loaded Range\u003c\/th\u003e\n\u003cth\u003eMax Pin Wt\u003c\/th\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-5th-wheel-pin-box-2024044568-2600-max-pin-weight\"\u003e2024044568\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1,200 lb\u003c\/td\u003e\n\u003ctd\u003e1,880-2,377 lb\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2,600 lb\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18K lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-5th-wheel-pin-box-2024044567-2950-max-pin-weight\"\u003e2024044567\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1,360 lb\u003c\/td\u003e\n\u003ctd\u003e2,378-2,722 lb\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2,950 lb\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18K lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-5th-wheel-pin-box-2024044569-3500-max-pin-weight\"\u003e2024044569\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1,610 lb\u003c\/td\u003e\n\u003ctd\u003e2,723-3,165 lb\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3,500 lb\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18K lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e2024122233\u003c\/strong\u003e ⬅ THIS UNIT\u003c\/td\u003e\n\u003ctd\u003e2,120 lb\u003c\/td\u003e\n\u003ctd\u003e3,166-3,712 lb\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4,000 lb\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24K lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-5th-wheel-pin-box-2024044570-4850-max-pin-weight\"\u003e2024044570\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e2,570 lb\u003c\/td\u003e\n\u003ctd\u003e3,713-4,332 lb\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4,850 lb\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24K lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-5th-wheel-pin-box-2024044571-5400-max-pin-weight\"\u003e2024044571\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e2,860 lb\u003c\/td\u003e\n\u003ctd\u003e4,333-4,900 lb\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5,400 lb\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24K lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-5th-wheel-pin-box-2024044572-6200-max-pin-weight\"\u003e2024044572\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e3,290 lb\u003c\/td\u003e\n\u003ctd\u003e4,901-6,000 lb\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6,200 lb\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24K lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePrefer Gooseneck Instead?\u003c\/h3\u003e\n\u003cp\u003eThe Helux is also available in a \u003cstrong\u003egooseneck configuration\u003c\/strong\u003e — meaningful for buyers who want to free up truck bed space vs traditional 5th wheel setups. Gooseneck Helux uses an auto-latching coupler that connects to any standard 2-5\/16\" gooseneck ball. All gooseneck variants are rated to 20,000 lb capacity:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-gooseneck-pin-box-2024044575-2350-max-pin-weight\"\u003eHelux Gooseneck 2,350 lb Max Pin Wt (2024044575)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-gooseneck-pin-box-2024044574-2700-max-pin-weight\"\u003eHelux Gooseneck 2,700 lb Max Pin Wt (2024044574)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-gooseneck-pin-box-2024044576-3200-max-pin-weight\"\u003eHelux Gooseneck 3,200 lb Max Pin Wt (2024044576)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-gooseneck-pin-box-2024044577-3900-max-pin-weight\"\u003eHelux Gooseneck 3,900 lb Max Pin Wt (2024044577)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-gooseneck-pin-box-2024044578-4300-max-pin-weight\"\u003eHelux Gooseneck 4,300 lb Max Pin Wt (2024044578)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-au\/products\/curt-helux-coil-spring-gooseneck-pin-box-2024044579-5000-max-pin-weight\"\u003eHelux Gooseneck 5,000 lb Max Pin Wt (2024044579)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⭐ Approved for All Lippert RV Frames — Will NOT Void Warranty\u003c\/h3\u003e\n\u003cp\u003eMeaningful compatibility credential: the CURT Helux pin box is \u003cstrong\u003efully approved for use on all Lippert RV frames\u003c\/strong\u003e and \u003cstrong\u003ewill not void your Lippert frame warranty\u003c\/strong\u003e. If your RV was built with a Lippert frame (the vast majority of North American RVs are), you can upgrade to Helux with confidence.\u003c\/p\u003e\n\n\u003ch3\u003e⭐ Direct Rhino Box Replacement — Bolt-On Upgrade\u003c\/h3\u003e\n\u003cp\u003eStandout installation benefit: \u003cstrong\u003ecompatible with the Rhino Box bolt-mounting pattern\u003c\/strong\u003e — straightforward direct replacement for buyers currently running a Rhino Box or comparable pin box.\u003c\/p\u003e\n\n\u003ch3\u003eRugged Construction \u0026amp; Safety Certification\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003ePremium steel construction\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlack powder coat finish\u003c\/strong\u003e — resists wear, corrosion, and long-term appearance degradation\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eFully tested to SAE J2638 safety standards\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in USA\u003c\/strong\u003e with global materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Purchase Verification Required\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eImportant buyer note:\u003c\/strong\u003e CURT requires purchase verification for Helux pin boxes to ensure correct sizing. Refer to the CURT instruction sheet for the proper pin weight measuring process before finalizing your order. The best way to determine actual pin weight is to weigh your fully-loaded 5th wheel at a certified scale (CAT Scale, truck stop scale, etc.) with everything you'd normally have on board when traveling — including ATVs, golf carts, motorcycles, snowmobiles, and full tanks.\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Professional Installation Required\u003c\/h3\u003e\n\u003cp\u003eThe pin box assembly weighs several hundred pounds. Installation and removal \u003cstrong\u003erequires a minimum of two people\u003c\/strong\u003e. A forklift may be used to lift the pin box into position. The 5th wheel should always be towed while level — adjustment of pin box mounting height, tow vehicle height, or suspension may be necessary to achieve a level towing condition. Installation should be performed by a \u003cstrong\u003equalified RV service technician\u003c\/strong\u003e unless you have prior experience with pin box replacement and the appropriate equipment.\u003c\/p\u003e\n\n\u003ch3\u003eLimited Lifetime Warranty\u003c\/h3\u003e\n\u003cp\u003eCURT backs the Helux pin box with a \u003cstrong\u003elimited lifetime warranty\u003c\/strong\u003e (one-year finish, one-year parts).\u003c\/p\u003e\n\u003ch3\u003e⚠️ Freight Shipping — No Returns Due to Product Size\u003c\/h3\u003e\n\u003cp\u003eImportant buyer note: \u003cstrong\u003ethis item ships freight due to its size and weight, and is not eligible for return\u003c\/strong\u003e. Please carefully verify all specifications, compatibility, and fitment before ordering — including product-specific verification points.\u003c\/p\u003e\n\u003ch3\u003eGenuine CURT OEM\u003c\/h3\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine CURT OEM\u003c\/strong\u003e Helux Coil-Spring 5th Wheel Pin Box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2024122233\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 612314058860\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⭐ 2024 SEMA Award Winner\u003c\/strong\u003e — Best New Exterior Accessory\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⭐ 30% force reduction\u003c\/strong\u003e on RV frame and body vs similar pin boxes\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e⭐ Proprietary coil-spring + shock absorber technology\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⭐ Virtually maintenance-free\u003c\/strong\u003e — no airbags, no adjustments, no break-in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin weight range:\u003c\/strong\u003e 2,120–4,000 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimal loaded pin weight:\u003c\/strong\u003e 3,166-3,712 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGross trailer weight capacity:\u003c\/strong\u003e Up to 24,000 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⭐ Approved for Lippert RV frames\u003c\/strong\u003e — will not void warranty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⭐ Rhino Box bolt-mounting pattern\u003c\/strong\u003e — direct replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium steel construction\u003c\/strong\u003e with black powder coat finish\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSAE J2638 safety standard tested\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in USA\u003c\/strong\u003e with global materials\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty (one-year finish, one-year parts)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e⚠️ Ships freight — not returnable\u003c\/strong\u003e due to product size — verify fitment before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: CURT\u003c\/li\u003e\n  \u003cli\u003ePart Number: 2024122233\u003c\/li\u003e\n  \u003cli\u003eUPC: 612314058860\u003c\/li\u003e\n  \u003cli\u003eProduct Line: Helux Coil-Spring\u003c\/li\u003e\n  \u003cli\u003eType: 5th Wheel RV Pin Box (Shock-Absorbing)\u003c\/li\u003e\n  \u003cli\u003eTechnology: Proprietary coil-spring + shock absorber\u003c\/li\u003e\n  \u003cli\u003eMinimum Pin Weight (Unloaded): 2,120 lb\u003c\/li\u003e\n  \u003cli\u003eOptimal Loaded Pin Weight Range: 3,166-3,712 lb\u003c\/li\u003e\n  \u003cli\u003eMaximum Pin Weight (Loaded): 4,000 lb\u003c\/li\u003e\n  \u003cli\u003eGross Trailer Weight Capacity: Up to 24,000 lb\u003c\/li\u003e\n  \u003cli\u003eMounting Pattern: Rhino Box compatible (direct bolt-on replacement)\u003c\/li\u003e\n  \u003cli\u003eLippert Frame Approval: Yes (will not void Lippert frame warranty)\u003c\/li\u003e\n  \u003cli\u003eConstruction: Premium steel\u003c\/li\u003e\n  \u003cli\u003eFinish: Black powder coat\u003c\/li\u003e\n  \u003cli\u003eSafety Standard: SAE J2638 tested\u003c\/li\u003e\n  \u003cli\u003eCountry of Origin: USA (with global materials)\u003c\/li\u003e\n  \u003cli\u003eAward: 2024 SEMA Show Best New Exterior Accessory\u003c\/li\u003e\n  \u003cli\u003eWarranty: Limited lifetime (one-year finish, one-year parts)\u003c\/li\u003e\n  \u003cli\u003ePurchase Verification: Required — refer to CURT instruction sheet for pin weight measuring process\u003c\/li\u003e\n  \u003cli\u003eShipping: Freight required (product size)\u003c\/li\u003e and \u003cli\u003eReturns: Not eligible due to product size\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CURT","offers":[{"title":"Default Title","offer_id":58387883000111,"sku":"2024122233","price":2261.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/2024044568_1024x768_a_4a9f2510-ce29-465c-a989-33997f284890.webp?v=1787942740","url":"https:\/\/thervsurplus.com\/en-au\/products\/curt-helux-coil-spring-5th-wheel-pin-box-2024122233-4000-max-pin-weight","provider":"The RV Surplus","version":"1.0","type":"link"}