{"product_id":"3-8-inch-qr-1-valve-replaces-bendix-229859","title":"3\/8\" Supply And Delivery Port QR-1 Valve Replacement For Bendix 229859","description":"\u003cp\u003eWorld American WA229859 is a QR-1 quick-release valve with a 3\/8 in NPT supply port and two 3\/8 in NPT delivery ports, replacing Bendix 229859 \/ 229859N at the brake-chamber junction. The QR-1 vents the service brake chambers directly to atmosphere when the treadle is released, dropping brake-application time and reducing drag on tractor-trailer combinations.\u003c\/p\u003e\n\n\u003ch2\u003eSigns You Need a New QR-1 Valve\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSlow brake release or brakes dragging after pedal returns\u003c\/li\u003e\n  \u003cli\u003eAudible air leak at the valve body during release\u003c\/li\u003e\n  \u003cli\u003eUneven application or release between left and right chambers\u003c\/li\u003e\n  \u003cli\u003eExcessive air-system cycling at idle\u003c\/li\u003e\n  \u003cli\u003eRoutine maintenance interval reached\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eWorld American\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eWA229859\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eQR-1 Quick Release Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eSupply Port\u003c\/th\u003e\n\u003ctd\u003e3\/8 in NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eDelivery Ports\u003c\/th\u003e\n\u003ctd\u003e(2) 3\/8 in NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eMount Hole ID\u003c\/th\u003e\n\u003ctd\u003e0.34 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eMount Hole Center-to-Center\u003c\/th\u003e\n\u003ctd\u003e1.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eNPT\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCross References\u003c\/h2\u003e\n\u003cp\u003eThis valve replaces or is equivalent to the following part numbers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e 229859, 229859N, 229859X, 229859RX, BW229859, BW229859N, OR229859X, R955229859, R955229859X, 5000687, 65067, 065212\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e R955229859N, R30433OA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHendrickson:\u003c\/strong\u003e A1129, S-1129\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDayton Parts:\u003c\/strong\u003e AV229859, 334-1147\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEuclid:\u003c\/strong\u003e E-43303, E-4330A, E-BN229859N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e BW229859, BW065212\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMack:\u003c\/strong\u003e 745-229859\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNavistar:\u003c\/strong\u003e BAN229859, BX229859X\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTramec Sloan:\u003c\/strong\u003e 401279\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrailmobile \/ Fruehauf:\u003c\/strong\u003e 3090054096, MNW90054096S\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eS\u0026amp;S Truck Parts:\u003c\/strong\u003e S-4922\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThis QR-1 valve fits standard heavy-duty air-brake systems on:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClass 6–8 tractors (Freightliner, Kenworth, Peterbilt, Mack, Volvo, International, Western Star)\u003c\/li\u003e\n  \u003cli\u003eTrailers and dollies with chamber-mount quick-release valves\u003c\/li\u003e\n  \u003cli\u003eHendrickson and Meritor suspension\/axle assemblies using QR-1 service-brake plumbing\u003c\/li\u003e\n  \u003cli\u003eTransit and motor-coach buses with Bendix-pattern air-brake systems\u003c\/li\u003e\n  \u003cli\u003eVocational chassis (refuse, mixer, vacuum, fire) using FMVSS 121 brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eConfirm port size before ordering — the 1\/4 in NPT QR-1 (Bendix 229861) and 1\/2 in NPT QR-1 (Bendix 229860) use the same body but different port threads.\u003c\/em\u003e\u003c\/p\u003e","brand":"World American","offers":[{"title":"Default Title","offer_id":44831402557725,"sku":"WA229859","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/0730\/1991\/products\/38-supply-and-delivery-port-qr-1c-replacement-for-bendix-229859-663529.jpg?v=1682484094","url":"https:\/\/www.allprodiesel.net\/products\/3-8-inch-qr-1-valve-replaces-bendix-229859","provider":"All Pro Truck Parts","version":"1.0","type":"link"}