{"product_id":"dynamite-friction-631-73045l-disc-brake-rotor-rear-left","title":"Dynamite Friction 631-73045L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eOverview of the DFC Brake Rotor - Drilled and Slotted - Silver\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-73045L) is engineered for Audi A4 and A4 Quattro models. This solid disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi A4 and A4 Quattro\u003c\/li\u003e\n\u003cli\u003ePart number: 631-73045L\u003c\/li\u003e\n\u003cli\u003eSolid disc rotor with drilled and slotted surface\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 12 mm; discard thickness: 10 mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 255 mm; overall height: 39.8 mm\u003c\/li\u003e\n\u003cli\u003eRust resistant zinc silver hat finish\u003c\/li\u003e\n\u003cli\u003e5 bolt holes with 112 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for optimized performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis DFC Brake Rotor - Drilled and Slotted - Silver is a solid rotor with a nominal thickness of 12 mm and a discard thickness of 10 mm, ensuring reliable service life and safety margins. The rotor’s outside diameter measures 255 mm with an overall height of 39.8 mm, matching the precise fitment requirements for Audi A4 and A4 Quattro vehicles. The rotor surface is both drilled and slotted, which helps to reduce brake fade by improving heat dissipation and allowing gases and debris to escape during braking.\u003c\/p\u003e\u003cp\u003eThe rotor hat is finished with a zinc silver coating that provides rust resistance, extending the rotor’s durability in various driving conditions. It features a 5-bolt hole pattern with a 112 mm bolt circle diameter and a center hole diameter of 68 mm, ensuring proper alignment and fitment. The directional brake surface is designed to optimize braking efficiency and maintain consistent performance under demanding conditions.\u003c\/p\u003e\u003ch2\u003eAbout the DFC Brake Rotor - Drilled and Slotted - Silver Product Line\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots to improve braking response and heat management. This product line is tailored for drivers who require rotors that maintain performance under stress while resisting corrosion through protective coatings. The silver zinc finish on the rotor hat enhances longevity, making it suitable for regular use on compatible Audi models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Audi A4 and A4 Quattro\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during heavy braking\u003c\/li\u003e\n\u003cli\u003eHelps prevent brake pad glazing by channeling away dust and gases\u003c\/li\u003e\n\u003cli\u003eAddresses rotor corrosion issues with rust resistant coating\u003c\/li\u003e\n\u003cli\u003eRestores braking performance and pedal feel for safer driving\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness (10 mm) before installation\u003c\/li\u003e\n\u003cli\u003eVerify bolt hole pattern and center hole diameter for proper fitment\u003c\/li\u003e\n\u003cli\u003eClean rotor surface and hub mounting area to prevent uneven wear\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications on lug nuts to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eCheck brake pads for wear and replace if necessary during rotor installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the 631-73045L rotor to meet OEM specifications for Audi A4 and A4 Quattro models. The rust resistant zinc silver finish and precise machining ensure consistent performance and durability. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51795664797877,"sku":"HBHR-631-73045L","price":74.29,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63173045L_Fro.jpg?v=1774641712","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-73045l-disc-brake-rotor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}