{"product_id":"contitech-as8729-air-spring-replaces-firestone-w01-358-8729-meritor-202796","title":"ContiTech AS8729 Air Spring – Replaces Firestone W01-358-8729 \/ Meritor 202796","description":"\u003cp\u003eContiTech is the OEM supplier for Meritor trailer air suspension systems. The ContiTech AS8729 is a rolling lobe air spring designed for heavy-duty trailer air ride suspensions. It directly replaces Meritor 202796 and Firestone W01-358-8729, providing reliable load support, ride comfort, and stability under demanding on-highway and regional haul conditions.\u003c\/p\u003e\n\n\u003ch2\u003eSigns You Need a New Air Spring\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTrailer sagging or sitting unevenly when loaded\u003c\/li\u003e\n  \u003cli\u003eVisible cracks, dry rot, or abrasion on the air spring bellows\u003c\/li\u003e\n  \u003cli\u003eAudible air leaks near the suspension assembly\u003c\/li\u003e\n  \u003cli\u003eExcessive trailer bounce or harsh ride quality over bumps\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\u003eContiTech (Continental AG)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eAS8729\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eAir Spring – Rolling Lobe\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eTrailer Air Ride Suspension (Meritor)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eExtended Height\u003c\/th\u003e\n\u003ctd\u003e14.00\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eCompressed Height\u003c\/th\u003e\n\u003ctd\u003e4.70\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTop Plate Width\u003c\/th\u003e\n\u003ctd\u003e10.38\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003ePiston Width\u003c\/th\u003e\n\u003ctd\u003e10.16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTop Plate Hole Quantity\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTop Plate Center to Center\u003c\/th\u003e\n\u003ctd\u003e5.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e13.00 lbs\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 part replaces or is equivalent to the following part numbers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFirestone:\u003c\/strong\u003e W01-358-8729 (Bellows 1T17BB-2)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGoodyear:\u003c\/strong\u003e 1R13-130\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e 202796, A2258F1410, FS8729\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContiTech:\u003c\/strong\u003e 10 10B-13 S 513, 10 10.5AV-12 P 513, 75741\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e AB1DK25D-8729\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHDValue:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.allprodiesel.net\/products\/copy-of-world-american-air-spring-wa01-8729c-replaces-contitech-as8729\"\u003eHDV8729\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorld American:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.allprodiesel.net\/products\/world-american-air-spring-wa01-8729c-replaces-contitech-as8729\"\u003eWA01-8729C\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDayton Parts:\u003c\/strong\u003e 352-8729\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEuclid:\u003c\/strong\u003e E-FS8729\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriangle Air Springs:\u003c\/strong\u003e 8513, AS-8513\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNavistar:\u003c\/strong\u003e FLTA1R13130\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNewstar:\u003c\/strong\u003e S-25909\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBatco:\u003c\/strong\u003e 10-98729\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpringride:\u003c\/strong\u003e 1R13261\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThis air spring fits Meritor trailer air ride suspension systems and is used on a wide range of heavy-duty dry van, flatbed, and refrigerated trailers equipped with Meritor air suspension.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrailers with Meritor air ride suspension using OEM part 202796\u003c\/li\u003e\n  \u003cli\u003eTrailers originally equipped with Firestone W01-358-8729 or Goodyear 1R13-130 air springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eAir springs are not vehicle-specific — always verify the existing part number, mounting dimensions, and stud configuration before ordering to confirm fitment.\u003c\/em\u003e\u003c\/p\u003e","brand":"ContiTech","offers":[{"title":"Default Title","offer_id":51225147375901,"sku":"AS8729","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/0730\/1991\/files\/CON-AS8729_2.jpg?v=1777559441","url":"https:\/\/www.allprodiesel.net\/products\/contitech-as8729-air-spring-replaces-firestone-w01-358-8729-meritor-202796","provider":"All Pro Truck Parts","version":"1.0","type":"link"}