{"product_id":"lippert-158778-trailair-air-ride-pin-box-21000-lb-5th-wheel-king-pin-coupler","title":"Lippert 158778 Trailair Air Ride Pin Box – 21000 lb 5th Wheel King Pin Coupler","description":"\u003cp data-start=\"260\" data-end=\"614\"\u003eThe \u003cstrong data-start=\"264\" data-end=\"309\"\u003eLippert 158778 Trailair Air Ride Pin Box\u003c\/strong\u003e is a premium upgrade designed to improve towing comfort and reduce stress on your \u003cstrong data-start=\"392\" data-end=\"431\"\u003efifth wheel trailer and tow vehicle\u003c\/strong\u003e. Engineered with an advanced \u003cstrong data-start=\"461\" data-end=\"493\"\u003eair bag and gas shock system\u003c\/strong\u003e, this pin box absorbs road shock and minimizes \u003cstrong data-start=\"541\" data-end=\"576\"\u003efore-to-aft movement (chucking)\u003c\/strong\u003e for a smoother, more controlled ride.\u003c\/p\u003e\n\u003cp data-start=\"616\" data-end=\"909\"\u003eWith a \u003cstrong data-start=\"623\" data-end=\"658\"\u003e21,000 lb gross weight capacity\u003c\/strong\u003e, this air ride pin box is built for durability and performance. It is designed as a direct replacement for \u003cstrong data-start=\"766\" data-end=\"792\"\u003eLippert 1621 pin boxes\u003c\/strong\u003e, making installation straightforward while delivering immediate improvements in ride quality and trailer protection.\u003c\/p\u003e\n\u003chr data-start=\"911\" data-end=\"914\"\u003e\n\u003ch3 data-section-id=\"1reerq7\" data-start=\"916\" data-end=\"942\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"920\" data-end=\"942\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"943\" data-end=\"1551\"\u003e\n\u003cli data-section-id=\"u3jron\" data-start=\"943\" data-end=\"989\"\u003e\n\u003cstrong data-start=\"945\" data-end=\"980\"\u003eManufacturer Part Number (MPN):\u003c\/strong\u003e 158778\u003c\/li\u003e\n\u003cli data-section-id=\"ue63mp\" data-start=\"990\" data-end=\"1030\"\u003e\n\u003cstrong data-start=\"992\" data-end=\"1009\"\u003eProduct Line:\u003c\/strong\u003e Trailair® Air Ride\u003c\/li\u003e\n\u003cli data-section-id=\"1mka7c\" data-start=\"1031\" data-end=\"1061\"\u003e\n\u003cstrong data-start=\"1033\" data-end=\"1042\"\u003eType:\u003c\/strong\u003e Air Ride Pin Box\u003c\/li\u003e\n\u003cli data-section-id=\"18zkgkk\" data-start=\"1062\" data-end=\"1092\"\u003e\n\u003cstrong data-start=\"1064\" data-end=\"1081\"\u003eCoupler Type:\u003c\/strong\u003e King Pin\u003c\/li\u003e\n\u003cli data-section-id=\"127owb1\" data-start=\"1093\" data-end=\"1133\"\u003e\n\u003cstrong data-start=\"1095\" data-end=\"1121\"\u003eGross Weight Capacity:\u003c\/strong\u003e 21,000 lb\u003c\/li\u003e\n\u003cli data-section-id=\"1tu58ul\" data-start=\"1134\" data-end=\"1163\"\u003e\n\u003cstrong data-start=\"1136\" data-end=\"1147\"\u003eLength:\u003c\/strong\u003e 28-11\/16 Inch\u003c\/li\u003e\n\u003cli data-section-id=\"320rkr\" data-start=\"1164\" data-end=\"1186\"\u003e\n\u003cstrong data-start=\"1166\" data-end=\"1176\"\u003eWidth:\u003c\/strong\u003e 12 Inch\u003c\/li\u003e\n\u003cli data-section-id=\"1fu2e3b\" data-start=\"1187\" data-end=\"1214\"\u003e\n\u003cstrong data-start=\"1189\" data-end=\"1206\"\u003eBolt Pattern:\u003c\/strong\u003e 2 Row\u003c\/li\u003e\n\u003cli data-section-id=\"rawwg6\" data-start=\"1215\" data-end=\"1258\"\u003e\n\u003cstrong data-start=\"1217\" data-end=\"1245\"\u003eHorizontal Bolt Spacing:\u003c\/strong\u003e 7-3\/4 Inch\u003c\/li\u003e\n\u003cli data-section-id=\"1ouedyi\" data-start=\"1259\" data-end=\"1296\"\u003e\n\u003cstrong data-start=\"1261\" data-end=\"1287\"\u003eVertical Bolt Spacing:\u003c\/strong\u003e 2 Inch\u003c\/li\u003e\n\u003cli data-section-id=\"1ncv2q\" data-start=\"1297\" data-end=\"1320\"\u003e\n\u003cstrong data-start=\"1299\" data-end=\"1312\"\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli data-section-id=\"1a3plb9\" data-start=\"1321\" data-end=\"1356\"\u003e\n\u003cstrong data-start=\"1323\" data-end=\"1334\"\u003eFinish:\u003c\/strong\u003e Black Powder Coated\u003c\/li\u003e\n\u003cli data-section-id=\"1w31el2\" data-start=\"1357\" data-end=\"1383\"\u003e\n\u003cstrong data-start=\"1359\" data-end=\"1372\"\u003eKing Pin:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli data-section-id=\"1196hhl\" data-start=\"1384\" data-end=\"1424\"\u003e\n\u003cstrong data-start=\"1386\" data-end=\"1413\"\u003eKing Pin Locking Wedge:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli data-section-id=\"jlgcep\" data-start=\"1425\" data-end=\"1454\"\u003e\n\u003cstrong data-start=\"1427\" data-end=\"1443\"\u003eKing Turret:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli data-section-id=\"ui4g8z\" data-start=\"1455\" data-end=\"1473\"\u003e\n\u003cstrong data-start=\"1457\" data-end=\"1468\"\u003eTurret:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli data-section-id=\"1wjylju\" data-start=\"1474\" data-end=\"1503\"\u003e\n\u003cstrong data-start=\"1476\" data-end=\"1488\"\u003eSpacers:\u003c\/strong\u003e Not Included\u003c\/li\u003e\n\u003cli data-section-id=\"1dm9qxf\" data-start=\"1504\" data-end=\"1528\"\u003e\n\u003cstrong data-start=\"1506\" data-end=\"1519\"\u003eQuantity:\u003c\/strong\u003e Single\u003c\/li\u003e\n\u003cli data-section-id=\"q0lk1p\" data-start=\"1529\" data-end=\"1551\"\u003e\n\u003cstrong data-start=\"1531\" data-end=\"1545\"\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1553\" data-end=\"1556\"\u003e\n\u003ch3 data-section-id=\"15k79k3\" data-start=\"1558\" data-end=\"1585\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1562\" data-end=\"1585\"\u003eFeatures \u0026amp; Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1586\" data-end=\"2078\"\u003e\n\u003cli data-section-id=\"1cajtzk\" data-start=\"1586\" data-end=\"1655\"\u003e\n\u003cstrong data-start=\"1588\" data-end=\"1620\"\u003eAir bag and gas shock system\u003c\/strong\u003e absorbs road shock and vibration\u003c\/li\u003e\n\u003cli data-section-id=\"10gi4or\" data-start=\"1656\" data-end=\"1723\"\u003eReduces \u003cstrong data-start=\"1666\" data-end=\"1701\"\u003echucking (fore-to-aft movement)\u003c\/strong\u003e for smoother towing\u003c\/li\u003e\n\u003cli data-section-id=\"ed2ofb\" data-start=\"1724\" data-end=\"1772\"\u003eImproves \u003cstrong data-start=\"1735\" data-end=\"1770\"\u003eride comfort and driver control\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qh5r90\" data-start=\"1773\" data-end=\"1828\"\u003eHelps protect \u003cstrong data-start=\"1789\" data-end=\"1826\"\u003eRV frame and contents from damage\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"63kwom\" data-start=\"1829\" data-end=\"1896\"\u003eDesigned as a \u003cstrong data-start=\"1845\" data-end=\"1894\"\u003edirect replacement for Lippert 1621 pin boxes\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1uprz71\" data-start=\"1897\" data-end=\"1963\"\u003e\n\u003cstrong data-start=\"1899\" data-end=\"1932\"\u003eHeavy-duty steel construction\u003c\/strong\u003e ensures long-term durability\u003c\/li\u003e\n\u003cli data-section-id=\"2q790e\" data-start=\"1964\" data-end=\"2019\"\u003e\n\u003cstrong data-start=\"1966\" data-end=\"1990\"\u003ePowder-coated finish\u003c\/strong\u003e resists corrosion and wear\u003c\/li\u003e\n\u003cli data-section-id=\"j98p2y\" data-start=\"2020\" data-end=\"2078\"\u003eProvides a \u003cstrong data-start=\"2033\" data-end=\"2076\"\u003esmoother, more stable towing experience\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2080\" data-end=\"2083\"\u003e\n\u003ch3 data-section-id=\"1sboalo\" data-start=\"2085\" data-end=\"2106\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2089\" data-end=\"2106\"\u003eFitment Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2107\" data-end=\"2382\"\u003e\n\u003cli data-section-id=\"153rcdr\" data-start=\"2107\" data-end=\"2170\"\u003eDesigned to replace \u003cstrong data-start=\"2129\" data-end=\"2168\"\u003eLippert 1621 pin box configurations\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i4tqto\" data-start=\"2171\" data-end=\"2248\"\u003eCompatible with \u003cstrong data-start=\"2189\" data-end=\"2246\"\u003efifth wheel trailers using standard king pin couplers\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m3cfqa\" data-start=\"2249\" data-end=\"2316\"\u003eVerify bolt pattern and mounting dimensions before installation\u003c\/li\u003e\n\u003cli data-section-id=\"tvkpij\" data-start=\"2317\" data-end=\"2382\"\u003eProfessional installation recommended for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lippert Components","offers":[{"title":"Default Title","offer_id":45737234923706,"sku":"14-0688","price":2049.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/4958\/3802\/files\/ImageServerAPI_9_2351753c-0f72-41c7-8a5a-77dae47a45f3.jpg?v=1775557409","url":"https:\/\/usedrvparts.ca\/products\/lippert-158778-trailair-air-ride-pin-box-21000-lb-5th-wheel-king-pin-coupler","provider":"Used RV Parts","version":"1.0","type":"link"}