{"product_id":"dorman-419-669-accessory-drive-belt-idler-pulley","title":"Dorman 419-669 Accessory Drive Belt Idler Pulley","description":"\u003ch2\u003eOverview of Dorman Accessory Drive Belt Idler Pulley 419-669\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-669 accessory drive belt idler pulley is engineered for specific Audi and Volkswagen models, including the A4, A4 Quattro, and Passat. Designed with durable steel construction and precise dimensions, this pulley supports the serpentine belt system to maintain optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from robust steel with a black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eMeasures 62 mm outside diameter and 0.75 inch inside diameter\u003c\/li\u003e\n\u003cli\u003eFeatures 4 grooves compatible with serpentine belts\u003c\/li\u003e\n\u003cli\u003eIncludes 2 mounting holes for secure installation\u003c\/li\u003e\n\u003cli\u003eMaterial thickness of 10 mm and pulley bearing width of 12 mm\u003c\/li\u003e\n\u003cli\u003ePackage contains 1 idler pulley with tensioner (mounting hardware not included)\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Audi A4, A4 Quattro, and Volkswagen Passat models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 419-669 accessory drive belt idler pulley is a critical component in the belt drive system of select Audi and Volkswagen vehicles. Made from steel, this pulley offers durability and resistance to wear under continuous engine operation. Its 4-groove design accommodates serpentine belts, ensuring proper belt alignment and tension. The pulley’s dimensions, including a 62 mm outside diameter and 0.75 inch inside diameter, are tailored for specific fitment, providing reliable performance without modification. The 2 mounting holes facilitate secure attachment, while the included tensioner helps maintain consistent belt tension. This part is intended for use with the Audi A4, A4 Quattro, and Volkswagen Passat, making it a precise replacement for the original equipment.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates belt slippage caused by worn or damaged idler pulleys\u003c\/li\u003e\n\u003cli\u003ePrevents abnormal belt noise due to pulley bearing failure\u003c\/li\u003e\n\u003cli\u003eRestores proper serpentine belt routing and tension\u003c\/li\u003e\n\u003cli\u003eReduces risk of belt misalignment leading to accessory drive malfunction\u003c\/li\u003e\n\u003cli\u003eAddresses pulley wear that can cause premature belt wear or failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 419-669 idler pulley requires removal of the serpentine belt and old pulley assembly. Ensure the belt routing is noted or photographed before removal. The pulley mounts using two bolts (mounting hardware not included), so verify bolt compatibility with your vehicle. After installation, check belt tension and alignment to prevent premature wear. It is recommended to inspect the serpentine belt and other pulleys during replacement to maintain overall system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this accessory drive belt idler pulley to meet or exceed OEM specifications for fit, form, and function. The steel construction and precision bearing contribute to long service life under normal operating conditions. While mounting hardware is not included, the part is designed for direct replacement on compatible Audi and Volkswagen models. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610981990581,"sku":"BKLB-419-669","price":63.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_419669_Fro.jpg?v=1774983479","url":"https:\/\/www.partcatalog.com\/products\/dorman-419-669-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}