{"product_id":"dayco-hd-belt-tensioner-74-mm-x-38-mm-pulley-volvo-21819687-gates-38726-89941-day89941","title":"Dayco HD Belt Tensioner - 74 mm x 38 mm Pulley - Volvo 21819687 Gates 38726 89941 DAY89941","description":"\u003cp\u003eStop belt squeal and slip at the source with this \u003cstrong\u003eDayco HD Belt Tensioner\u003c\/strong\u003e distributed by FleetPro Parts \u0026amp; Tires. Dayco is an Original Equipment belt-drive supplier, and this heavy-duty tensioner carries a \u003cstrong\u003e74 mm diameter, 38 mm wide pulley\u003c\/strong\u003e for \u003cstrong\u003eMack, Volvo and Western Star\u003c\/strong\u003e applications. A weak tensioner lets the belt slip, glaze and eventually come off, taking the accessories it drives down with it. We stock these heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for fleets, diesel repair shops, and owner-operators nationwide.\u003c\/p\u003e\n\n\u003ch2\u003eSteady Belt Tension: The Dayco HD Tensioner Advantage\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eDayco tensioner\u003c\/strong\u003e (Dayco 89941, Part # DAY89941) keeps the belt under tension so it runs true and grips the pulleys it drives. Order by the number on the old tensioner: \u003cstrong\u003eVolvo 21819687\u003c\/strong\u003e, 21587366 or 24201573, Mack 21819687, Gates 38726 or Dayco 89941. Other HD tensioners share a similar pulley size, so the number is the safer match.\u003c\/p\u003e\n\n\u003cp\u003eAt FleetPro Parts \u0026amp; Tires, we know a belt job is only right when the part is right. This tensioner is a direct replacement for highly searched industry numbers including \u003cstrong\u003eVolvo 21819687\u003c\/strong\u003e, Mack 21819687, Volvo 21587366 and 24201573, and Gates 38726.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eVehicle Fitment \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis OE-supplier tensioner is intended for the following commercial applications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMakes:\u003c\/strong\u003e Mack, Volvo, Western Star\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley:\u003c\/strong\u003e 74 mm diameter x 38 mm wide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Group:\u003c\/strong\u003e Engine \/ Belts \u0026amp; Tensioners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eDirect Replacement \u0026amp; Cross-Reference Numbers:\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eThis Dayco tensioner serves as a direct replacement for the following part numbers:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDayco Interchange:\u003c\/strong\u003e 89941\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGates Interchange:\u003c\/strong\u003e 38726\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo Interchange:\u003c\/strong\u003e 21587366, 21819687, 24201573\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMack Interchange:\u003c\/strong\u003e 21819687\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann Distributor #:\u003c\/strong\u003e DAY89941\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Heavy-Duty Belt Tensioner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Diameter:\u003c\/strong\u003e 74 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Width:\u003c\/strong\u003e 38 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.6 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dims:\u003c\/strong\u003e 8.07 x 4.47 x 4.22 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 036687957702\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Level:\u003c\/strong\u003e OE (Original Equipment)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Dayco (Distributed by FleetPro Parts \u0026amp; Tires)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":49891378364487,"sku":"DAY89941","price":205.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8035\/2583\/files\/day89941-dayco-hd-belt-tensioner-74-mm-x-38-mm-pulley-volvo-21819687-gates-38726-89941-day89941-dayco-3632822.webp?v=1794017466","url":"https:\/\/fleetpropt.com\/products\/dayco-hd-belt-tensioner-74-mm-x-38-mm-pulley-volvo-21819687-gates-38726-89941-day89941","provider":"FLEETPRO PARTS \u0026 TIRES","version":"1.0","type":"link"}