{"product_id":"dorman-749-639-window-regulator","title":"Dorman 749-639 Window Regulator - Rear Left","description":"\u003ch2\u003eReliable Window Regulator for Audi A4, S4, RS4 Models\u003c\/h2\u003e\u003cp\u003eThe Dorman 749-639 window regulator is designed for electric window operation in select Audi vehicles. Engineered with durable materials, this part ensures smooth window movement and reliable performance for your Audi A4, A4 Quattro, RS4, and S4 models.\u003c\/p\u003e\u003ch2\u003eKey Features of Dorman 749-639 Window Regulator\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGear material constructed from plastic for consistent operation\u003c\/li\u003e\n\u003cli\u003eBolt-on attachment type for secure mounting\u003c\/li\u003e\n\u003cli\u003eFrame made from a combination of metal and plastic for strength and flexibility\u003c\/li\u003e\n\u003cli\u003eElectric window operation compatible with factory systems\u003c\/li\u003e\n\u003cli\u003eIncludes one power regulator unit per package\u003c\/li\u003e\n\u003cli\u003eNo motor or mounting hardware included\u003c\/li\u003e\n\u003cli\u003eInstallation instructions not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Dorman Window Regulator\u003c\/h2\u003e\u003cp\u003eThis window regulator (part number 749-639) is specifically designed for electric window systems in Audi A4, A4 Quattro, RS4, and S4 vehicles. The regulator features a plastic gear that meshes smoothly with the window mechanism, while the frame combines metal and plastic components to balance durability and weight. The bolt-on attachment type allows for a secure fit using existing mounting points. Note that this unit does not include a motor or mounting hardware, so it is intended for replacement of the regulator assembly only.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Window Regulator\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWindow glass failing to move up or down smoothly\u003c\/li\u003e\n\u003cli\u003eIntermittent or complete window operation failure\u003c\/li\u003e\n\u003cli\u003eGrinding or clicking noises during window movement\u003c\/li\u003e\n\u003cli\u003eLoose or misaligned window glass\u003c\/li\u003e\n\u003cli\u003eWear or damage to the existing window regulator assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with electric window systems on Audi A4, A4 Quattro, RS4, and S4 models\u003c\/li\u003e\n\u003cli\u003eRequires removal of door panel for access to the regulator assembly\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for bolt-on attachment to ensure secure fitment\u003c\/li\u003e\n\u003cli\u003eVerify window alignment after installation to prevent binding\u003c\/li\u003e\n\u003cli\u003eMotor and mounting hardware must be reused or sourced separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit and function. While this window regulator does not include a motor or mounting hardware, it is built with quality materials to provide reliable service. Warranty coverage details should be confirmed at the time of purchase.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44076188336309,"sku":"BKKY-749-639","price":72.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_749639_Fro.jpg?v=1775011170","url":"https:\/\/www.partcatalog.com\/products\/dorman-749-639-window-regulator","provider":"PartCatalog","version":"1.0","type":"link"}