{"product_id":"kenworth-air-spring-bag-replaces-w01-358-9541-w01-358-9547-c81-1005-c81-1004","title":"Kenworth Air Spring Bag – Replaces W01-358-9541 \/ W01-358-9547 (C81-1005\/C81-1004)","description":"\u003cp\u003eRestore ride quality and suspension performance on your Kenworth with this \u003cstrong\u003eROADWEST Air Spring Bag\u003c\/strong\u003e, engineered as a heavy duty replacement for popular \u003cstrong\u003eAirGlide suspension\u003c\/strong\u003e applications. Designed to work with \u003cstrong\u003eKenworth C81-1005 \/ C81-1004\u003c\/strong\u003e assemblies and their common cross references, it helps support heavy loads while improving comfort and stability on long-haul runs.\u003c\/p\u003e\n\u003cp\u003eThis suspension air bag is built with \u003cstrong\u003eimported high-density rubber\u003c\/strong\u003e and a reinforced structure that goes beyond typical aftermarket standards. The durable construction delivers excellent load-bearing capacity, resists fatigue and cracking, and stands up to demanding fleet and owner-operator use.\u003c\/p\u003e\n\u003cp\u003eAs a \u003cstrong\u003edirect replacement\u003c\/strong\u003e for several OEM and aftermarket numbers, this air spring bag is designed for quick service and minimal downtime. Simply match your existing part number, swap the old leaking or sagging bag, and restore proper ride height and suspension response.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement for Kenworth air spring assemblies\u003c\/strong\u003e – replaces Kenworth \u003cstrong\u003eC81-1005 \/ C81-1004\u003c\/strong\u003e on AirGlide suspensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross reference numbers\u003c\/strong\u003e – interchangeable with \u003cstrong\u003eFirestone W01-358-9541, W01-358-9547\u003c\/strong\u003e and \u003cstrong\u003eContitech 9 9-10 P 861\u003c\/strong\u003e (check all dimensions and specs before purchase).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium air ride performance\u003c\/strong\u003e – high-density rubber provides better durability and load performance than many standard air suspensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety \u0026amp; comfort\u003c\/strong\u003e – air spring bags absorb vibration, reduce harsh impacts and help improve braking stability for a smoother, safer ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation\u003c\/strong\u003e – designed as a bolt-on replacement for the original air bag when the correct cross reference is matched.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality backed\u003c\/strong\u003e – suitable for commercial duty use when installed and maintained properly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow to confirm fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLocate the part number on your original air spring or suspension documentation.\u003c\/li\u003e\n\u003cli\u003eConfirm it matches \u003cstrong\u003eW01-358-9541, W01-358-9547, C81-1005, C81-1004\u003c\/strong\u003e or \u003cstrong\u003eContitech 9 9-10 P 861\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eVerify that your truck uses an \u003cstrong\u003eAirGlide-style Kenworth suspension\u003c\/strong\u003e in the affected position.\u003c\/li\u003e\n\u003cli\u003eIf unsure, consult your mechanic or parts manager before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable style=\"width: 99.9589%; height: 313.333px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 19.5833px;\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 19.5833px;\"\u003e\u003cstrong\u003eROADWEST\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 39.1667px;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 39.1667px;\"\u003e\u003cstrong\u003eKenworth trucks with C81-1005 \/ C81-1004 AirGlide suspension\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 39.1667px;\"\u003eCross Reference\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 39.1667px;\"\u003e\u003cstrong\u003eW01-358-9541, W01-358-9547, Contitech 9 9-10 P 861, Kenworth C81-1005, C81-1004\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 19.5833px;\"\u003eSuspension Type\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 19.5833px;\"\u003e\u003cstrong\u003eHeavy Duty Air Suspension – Axle \/ Suspension Air Spring\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 39.1667px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 39.1667px;\"\u003e\u003cstrong\u003eHigh-density rubber air bladder with reinforced metal components\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 19.5833px;\"\u003ePosition\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 19.5833px;\"\u003e\u003cstrong\u003eSuspension Air Spring – Check vehicle suspension layout\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 19.5833px;\"\u003eFit Type\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 19.5833px;\"\u003e\u003cstrong\u003eVehicle Specific Fit – Match by OE \/ cross reference number\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 39.1667px;\"\u003eCertification \/ Quality\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 39.1667px;\"\u003e\u003cstrong\u003eMeets OEM performance standards for heavy duty truck air suspension\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 39.1667px;\"\u003eIncluded Components\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 39.1667px;\"\u003e\u003cstrong\u003e1 × Air Spring Bag (replacement for listed cross reference numbers)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003cth style=\"width: 23.2167%; height: 39.1667px;\"\u003eRecommended Use\u003c\/th\u003e\n\u003ctd style=\"width: 74.3229%; height: 39.1667px;\"\u003e\u003cstrong\u003eReplacement for leaking, cracked or sagging air suspension bags\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you are unsure about compatibility, please verify your original air spring number or consult your technician before purchasing.\u003c\/p\u003e","brand":"ROADWEST","offers":[{"title":"Default Title","offer_id":41860214161511,"sku":"B0FY2VBL5F","price":107.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/7612\/3239\/files\/kenworth-air-spring-bag-replaces-w01-358-9541-w01-358-9547-c81-1005c81-1004-roadwest-truck-parts-b0fy2vbl5f-high-soar-4565131.jpg?v=1768890668","url":"https:\/\/roadwesttruckparts.com\/products\/kenworth-air-spring-bag-replaces-w01-358-9541-w01-358-9547-c81-1005-c81-1004","provider":"RoadWest Truck Parts","version":"1.0","type":"link"}