{"product_id":"ez-loader-ufp-brake-lockout-key-for-brake-coupler-trailer-250-501333","title":"EZ Loader UFP Brake Coupler Lockout Key 250-501333","description":"\u003ch2 data-start=\"201\" data-end=\"262\"\u003e\u003cstrong data-start=\"201\" data-end=\"262\"\u003eEZ Loader UFP Brake Coupler Lockout Key – Part 250-501333\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"264\" data-end=\"602\"\u003eThe \u003cstrong data-start=\"268\" data-end=\"322\"\u003eEZ Loader 250-501333 UFP brake coupler lockout key\u003c\/strong\u003e is designed for surge brake trailer couplers and helps prevent the trailer brakes from activating when backing up. This lockout key is commonly used on EZ Loader boat trailers equipped with hydraulic surge brake systems that are not connected to a 5-pole reverse lockout harness.\u003c\/p\u003e\n\u003cp data-start=\"604\" data-end=\"852\"\u003eBy inserting the key into the brake actuator, the surge brake mechanism is temporarily held in position so the master cylinder does not compress while reversing. This allows the trailer to be maneuvered safely without activating the trailer brakes.\u003c\/p\u003e\n\u003chr data-start=\"854\" data-end=\"857\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"859\" data-end=\"875\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"877\" data-end=\"1329\"\u003e• \u003cstrong data-start=\"879\" data-end=\"913\"\u003eOEM EZ Loader replacement part\u003c\/strong\u003e designed for UFP-style surge brake couplers\u003cbr data-start=\"957\" data-end=\"960\"\u003e• \u003cstrong data-start=\"962\" data-end=\"1015\"\u003ePrevents trailer brake activation when backing up\u003c\/strong\u003e without a 5-pole wiring harness connection\u003cbr data-start=\"1058\" data-end=\"1061\"\u003e• \u003cstrong data-start=\"1063\" data-end=\"1088\"\u003eSimple manual lockout\u003c\/strong\u003e by inserting the key into the brake actuator\u003cbr data-start=\"1133\" data-end=\"1136\"\u003e• \u003cstrong data-start=\"1138\" data-end=\"1168\"\u003eHelps prevent brake lockup\u003c\/strong\u003e when maneuvering or reversing a trailer\u003cbr data-start=\"1208\" data-end=\"1211\"\u003e• \u003cstrong data-start=\"1213\" data-end=\"1242\"\u003eCompact and easy to store\u003c\/strong\u003e in a tow vehicle or trailer tool kit\u003cbr data-start=\"1279\" data-end=\"1282\"\u003e• \u003cstrong data-start=\"1284\" data-end=\"1329\"\u003eQuick installation with no tools required\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1331\" data-end=\"1334\"\u003e\n\u003ch3 data-section-id=\"lgtwr4\" data-start=\"1336\" data-end=\"1354\"\u003eImportant Note\u003c\/h3\u003e\n\u003cp data-start=\"1356\" data-end=\"1467\"\u003eThe lockout key must be removed during normal towing so the trailer's surge brake system can operate correctly.\u003c\/p\u003e\n\u003chr data-start=\"1469\" data-end=\"1472\"\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1474\" data-end=\"1492\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1494\" data-end=\"1687\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1494\" data-end=\"1521\"\u003e\n\u003ctr data-start=\"1494\" data-end=\"1521\"\u003e\n\u003cth data-start=\"1494\" data-end=\"1510\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1510\" data-end=\"1521\" data-col-size=\"sm\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1532\" data-end=\"1687\"\u003e\n\u003ctr data-start=\"1532\" data-end=\"1575\"\u003e\n\u003ctd data-start=\"1532\" data-end=\"1542\" data-col-size=\"sm\"\u003ePart Name\u003c\/td\u003e\n\u003ctd data-start=\"1542\" data-end=\"1575\" data-col-size=\"sm\"\u003eUFP Brake Coupler Lockout Key\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1576\" data-end=\"1602\"\u003e\n\u003ctd data-start=\"1576\" data-end=\"1588\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-start=\"1588\" data-end=\"1602\" data-col-size=\"sm\"\u003e250-501333\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1603\" data-end=\"1639\"\u003e\n\u003ctd data-start=\"1603\" data-end=\"1615\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-start=\"1615\" data-end=\"1639\" data-col-size=\"sm\"\u003eSurge Brake Couplers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1640\" data-end=\"1670\"\u003e\n\u003ctd data-start=\"1640\" data-end=\"1649\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-start=\"1649\" data-end=\"1670\" data-col-size=\"sm\"\u003eZinc Plated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1671\" data-end=\"1687\"\u003e\n\u003ctd data-start=\"1671\" data-end=\"1677\" data-col-size=\"sm\"\u003eColor\u003c\/td\u003e\n\u003ctd data-start=\"1677\" data-end=\"1687\" data-col-size=\"sm\"\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1689\" data-end=\"1692\"\u003e\n\u003ch3 data-section-id=\"1wwzv67\" data-start=\"1694\" data-end=\"1705\"\u003eFitment\u003c\/h3\u003e\n\u003cp data-start=\"1707\" data-end=\"1797\"\u003eUsed on many \u003cstrong data-start=\"1720\" data-end=\"1796\"\u003eEZ Loader boat trailers equipped with UFP hydraulic surge brake couplers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1799\" data-end=\"1849\"\u003eCompatibility may vary depending on coupler model.\u003c\/p\u003e\n\u003chr data-start=\"1851\" data-end=\"1854\"\u003e\n\u003ch3 data-section-id=\"15r77un\" data-start=\"1856\" data-end=\"1871\"\u003eTypical Use\u003c\/h3\u003e\n\u003cp data-start=\"1873\" data-end=\"1910\"\u003eThis component is commonly used when:\u003c\/p\u003e\n\u003cp data-start=\"1912\" data-end=\"2030\"\u003e• backing trailers with surge brake systems\u003cbr data-start=\"1955\" data-end=\"1958\"\u003e• replacing a lost brake lockout key\u003cbr data-start=\"1994\" data-end=\"1997\"\u003e• servicing surge brake actuators\u003c\/p\u003e","brand":"EZ Loader","offers":[{"title":"Default Title","offer_id":53121960870253,"sku":"250-501333","price":18.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3761\/6493\/files\/Screenshot2026-03-12123523.png?v=1773333469","url":"https:\/\/ezloaderparts411.com\/products\/ez-loader-ufp-brake-lockout-key-for-brake-coupler-trailer-250-501333","provider":"EZLoaderParts411.com","version":"1.0","type":"link"}