{"product_id":"dexter-k23-342-00-k23-343-00-hydraulic-free-backing-brake-12x2","title":"Dexter 12\" x 2\" Hydraulic Free-Backing Brake Assembly — K23-342-00 (LH) \/ K23-343-00 (RH)","description":"\u003cp\u003eGenuine Dexter 12\" x 2\" \u003cstrong\u003ehydraulic free-backing\u003c\/strong\u003e brake assembly for 7,000 lb trailer axles. Available in \u003cstrong\u003eLeft Hand (K23-342-00)\u003c\/strong\u003e or \u003cstrong\u003eRight Hand (K23-343-00)\u003c\/strong\u003e. The free-backing design allows the trailer to roll freely in reverse without brake drag — critical for backing down boat ramps and precision maneuvering. Designed for use with surge (hydraulic) brake actuator systems on boat trailers, car haulers, and equipment trailers.\u003c\/p\u003e\n\n\u003cp\u003e🔧 \u003cstrong\u003eSelect Your Side\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose \u003cstrong\u003eLeft Hand (LH \/ Driver Side)\u003c\/strong\u003e or \u003cstrong\u003eRight Hand (RH \/ Passenger Side)\u003c\/strong\u003e from the dropdown above. Always replace brakes in matching pairs (LH + RH) for even wear.\u003c\/p\u003e\n\n\u003ch3\u003e⚙️ Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree-Backing Design:\u003c\/strong\u003e no brake drag in reverse — critical for boat ramp launches and trailer maneuvering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic (Surge) Brake:\u003c\/strong\u003e works with hydraulic surge actuators — no electric brake controller needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide-specific configuration:\u003c\/strong\u003e LH (driver) and RH (passenger) sold individually\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Assembly:\u003c\/strong\u003e backing plate, shoes, wheel cylinder, springs, hardware — ready to install\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e7,000 lb Axle Rating\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGenuine Dexter OEM — Made in USA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📐 Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Dexter Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDexter Part Numbers:\u003c\/strong\u003e K23-342-00 (Left Hand) \/ K23-343-00 (Right Hand)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDexter Assembly Numbers:\u003c\/strong\u003e 023-342-00 (LH) \/ 023-343-00 (RH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Size:\u003c\/strong\u003e 12\" × 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Type:\u003c\/strong\u003e Hydraulic free-backing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Rating:\u003c\/strong\u003e 7,000 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔄 Cross Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Free-Backing Version:\u003c\/strong\u003e Dexter 80881\/80883 (standard hydraulic 12x2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Actuators:\u003c\/strong\u003e Dexter 006-193-00 surge couplers and similar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Brake Equivalent:\u003c\/strong\u003e Dexter K23-180-00 (LH) \/ K23-181-00 (RH) for 5.2K–7K axles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔧 Common Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBoat trailers (especially those requiring backing down ramps)\u003c\/li\u003e\n\u003cli\u003eCar haulers with hydraulic surge brakes\u003c\/li\u003e\n\u003cli\u003eHeavy equipment trailers (7K axles)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e This is a HYDRAULIC free-backing brake — requires a surge brake actuator or master cylinder. For ELECTRIC brake systems, use Dexter K23-180-00 (LH) \/ K23-181-00 (RH) instead.\u003c\/p\u003e\n\n\u003cp\u003e💡 \u003cstrong\u003ePro Tip:\u003c\/strong\u003e After installation, bleed the hydraulic lines thoroughly. Free-backing brakes have internal mechanisms that allow reverse motion without engagement — do not attempt to manually \"test\" the brake by pushing backward, that's by design.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Call or text AAA Trailer at \u003cstrong\u003e517-225-1991\u003c\/strong\u003e — we stock Dexter, Lippert, Ultra-Fab, and TruRyde brakes, hubs, and running gear. Same-day shipping from Howell, Michigan.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e📞 Call\/Text: 517-225-1991   🌐 AAATrailer.com\u003c\/strong\u003e\u003c\/p\u003e","brand":"Detroit Hitch","offers":[{"title":"Left Hand (LH)","offer_id":52558671577397,"sku":"856-0342","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Right Hand (RH)","offer_id":52558671610165,"sku":"856-0343","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/9144\/0181\/files\/856-0342-856-0343-pair-composite.jpg?v=1776872116","url":"https:\/\/aaatrailer.com\/products\/dexter-k23-342-00-k23-343-00-hydraulic-free-backing-brake-12x2","provider":"AAA Trailer","version":"1.0","type":"link"}