{"product_id":"dorman-300-424-alternator-pulley","title":"Dorman 300-424 Alternator Pulley","description":"\u003ch2\u003eAlternator Clutch Pulley Overview\u003c\/h2\u003e\u003cp\u003eThis Dorman alternator clutch pulley is built for specified applications where a direct-fit replacement is needed. It matches the original pulley’s fit and function, with a standard replacement design for dependable charging system service. Part number 300-424 is a practical choice for Cadillac XT5, Chevrolet Blazer, and GMC Acadia applications that use the listed OE reference.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard replacement alternator clutch pulley for specified charging system applications.\u003c\/li\u003e\n\u003cli\u003eBolt-on attachment type for straightforward service replacement.\u003c\/li\u003e\n\u003cli\u003eSerpentine design with 6 grooves for belt engagement.\u003c\/li\u003e\n\u003cli\u003eDecoupled pulley construction for OE-style alternator operation.\u003c\/li\u003e\n\u003cli\u003eMetal contact surface with painted finish for a clean, service-ready appearance.\u003c\/li\u003e\n\u003cli\u003ePart number 300-424 cross-references OE number 13520809 for the same application.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 300-424 is an alternator pulley engineered to match the original part’s fit and function on the listed vehicles. It is a serpentine, decoupled pulley with a bolt-on attachment style, 6 grooves, a 63 mm outside diameter, and a 56.3 mm inside diameter. The metal contact surface and standard replacement construction support consistent belt drive performance in charging system service. This part number 300-424 is used on Cadillac XT5, Cadillac XT6, Chevrolet Blazer, GMC Acadia, Buick Regal Sportback, and Buick LaCrosse applications identified with OE reference 13520809.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAlternator pulley wear that can affect belt drive operation.\u003c\/li\u003e\n\u003cli\u003eNoise or vibration from a worn clutch pulley assembly.\u003c\/li\u003e\n\u003cli\u003eCharging system service when the original pulley no longer matches OE fit.\u003c\/li\u003e\n\u003cli\u003eBelt tracking concerns related to pulley groove wear.\u003c\/li\u003e\n\u003cli\u003eReplacement needs for vehicles listed under OE reference 13520809.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the OE reference and pulley dimensions before installation. Confirm the serpentine belt routing, groove count, and attachment style match the original component. Professional installation is recommended for charging system repairs to ensure proper alignment and operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman designs this pulley to match original fit and function on specified applications. It is manufactured from quality materials for reliable performance and durability in routine service.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":53402393051317,"sku":"BKKY-300-424","price":97.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_300424_FRO.jpg?v=1790752125","url":"https:\/\/www.partcatalog.com\/products\/dorman-300-424-alternator-pulley","provider":"PartCatalog","version":"1.0","type":"link"}