{"product_id":"belt-tensioner","title":"Belt Tensioner - 21819687, 20739751, 20935521, 21422765","description":"\u003cp\u003e\u003cstrong\u003eBelt Tensioner, Plastic Roller\u003c\/strong\u003e – Genuine Volvo\/Mack compatible accessory drive belt tensioner for reliable performance on D11 engine applications. This high-quality tensioner ensures proper belt tension, smooth operation, and extended service life in demanding heavy-duty environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces \/ Cross-References:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e21819687 (most current \/ preferred in recent listings)\u003c\/li\u003e\n\u003cli\u003e20739751\u003c\/li\u003e\n\u003cli\u003e20935521\u003c\/li\u003e\n\u003cli\u003e21422765\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Volvo Articulated Haulers (ADTs) \u0026amp; Excavators:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA25D\u003c\/li\u003e\n\u003cli\u003eA25E\u003c\/li\u003e\n\u003cli\u003eA30D\u003c\/li\u003e\n\u003cli\u003eA30E\u003c\/li\u003e\n\u003cli\u003eA35F\u003c\/li\u003e\n\u003cli\u003eEC340D\u003c\/li\u003e\n\u003cli\u003eEC380D\u003c\/li\u003e\n\u003cli\u003eEC480D\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect OEM-quality replacement for Volvo D11 engine belt systems\u003c\/li\u003e\n\u003cli\u003eMaintains correct belt alignment and tension under heavy loads\u003c\/li\u003e\n\u003cli\u003eDurable construction for long service life in construction, hauling, and mining applications\u003c\/li\u003e\n\u003cli\u003eEasy installation – no modifications required\u003c\/li\u003e\n\u003cli\u003eInterchangeable with multiple Volvo\/Mack part numbers for broad compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify fitment with your machine's VIN or engine serial number. Perfect for fleet maintenance, repair shops, or equipment owners looking for a dependable, cost-effective solution.\u003c\/p\u003e","brand":"Pro Track Parts","offers":[{"title":"Default Title","offer_id":43691062362178,"sku":"21819687","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5555\/5650\/files\/21819687.png?v=1771783586","url":"https:\/\/protrackparts.com\/products\/belt-tensioner","provider":"Pro Track Parts","version":"1.0","type":"link"}