{"product_id":"dorman-419-1004-accessory-drive-belt-tensioner-alternator","title":"Dorman 419-1004 Accessory Drive Belt Tensioner - Alternator","description":"\u003ch2\u003eDorman 419-1004 Accessory Drive Belt Tensioner\u003c\/h2\u003e\u003cp\u003eDorman 419-1004 is an automatic accessory drive belt tensioner for serpentine belt systems. It helps maintain proper belt tension so the drive belt can run smoothly across the pulleys and support consistent accessory operation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAutomatic belt tensioner assembly for serpentine belt systems\u003c\/li\u003e\n\u003cli\u003eAluminum construction with a silver finish\u003c\/li\u003e\n\u003cli\u003eDesigned to maintain correct serpentine belt tension\u003c\/li\u003e\n\u003cli\u003eMounting hole quantity: 2\u003c\/li\u003e\n\u003cli\u003eCross-references AP Exhaust 38671 and Continental 49601 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman accessory drive belt tensioner is built for vehicles that use a serpentine belt drive system and need stable belt tension to keep the accessory drive operating correctly. The aluminum housing and compact mounting layout support a direct replacement approach for service work on compatible applications. Part number 419-1004 is also referenced by Dayco 89477 and other interchange numbers for the same application. For buyers searching for a Dorman 419-1004 serpentine belt tensioner for Honda Civic or similar vehicle service, this part provides a focused replacement option for the accessory drive belt system.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBelt slack that can lead to squeal or slip\u003c\/li\u003e\n\u003cli\u003eUneven belt tension across the serpentine drive\u003c\/li\u003e\n\u003cli\u003eAccessory drive noise from a worn tensioner assembly\u003c\/li\u003e\n\u003cli\u003eReduced belt control in the accessory drive belt system\u003c\/li\u003e\n\u003cli\u003eService replacement needs during serpentine belt maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInspect the serpentine belt, pulleys, and related accessory drive components before installation. Replace the tensioner when wear, noise, or weak spring pressure is present, and verify pulley alignment after service. Confirm vehicle application details against the listed fitment before ordering. Search terms such as Dorman 419-1004 accessory drive belt tensioner and Honda Civic serpentine belt tensioner are commonly used for this part.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman supplies aftermarket replacement components for vehicle repair and maintenance. This tensioner is specified as an aluminum, silver-finished accessory drive belt tensioner for serpentine belt applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52752740745397,"sku":"FKCX-419-1004","price":180.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_4191004_Fro.jpg?v=1782885827","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-1004-accessory-drive-belt-tensioner-alternator","provider":"PartCatalog","version":"1.0","type":"link"}