{"product_id":"dynamite-friction-631-73044l-disc-brake-rotor-front-left","title":"Dynamite Friction 631-73044L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eDrilled and Slotted Front Left Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-73044L, is a vented front left disc brake rotor built for select Audi applications. It features a slotted X drilled surface, a zinc silver hat finish, and a rust resistant coating for a clean, service-ready appearance.\u003c\/p\u003e\u003cp\u003eUse this rotor when you need a direct replacement for the front left position on compatible Audi A4, A4 Quattro, A6, A6 Quattro, A8, and A8 Quattro models. The directional braking surface and 312 mm outside diameter support the specified OE-style fitment for these vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number 631-73044L\u003c\/li\u003e\n\u003cli\u003eFront left disc brake rotor\u003c\/li\u003e\n\u003cli\u003eSlotted X drilled surface type\u003c\/li\u003e\n\u003cli\u003eVented rotor construction\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 312 mm\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 25 mm\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 23 mm\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 68 mm\u003c\/li\u003e\n\u003cli\u003e5-bolt pattern with 112 mm bolt circle\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish\u003c\/li\u003e\n\u003cli\u003eRust resistant coating: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver line focuses on application-specific brake rotor replacement with a performance-oriented surface design and corrosion protection. This rotor uses a plain disc finish with a zinc silver hat finish and is built with five lug holes, a 112 mm bolt circle, and a 15.5 mm stud or lug hole diameter. The part number 631-73044L is listed for the front left position on select Audi platforms, including 2002-2005 Audi A4, 2002-2004 Audi A4 Quattro, 2002-2004 Audi A6, 2002-2004 Audi A6 Quattro, 1997-1999 Audi A8, 1997-1999 Audi A8 Quattro, and specific 2000 and 2006 Audi A8 applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Reasons to Replace\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront brake rotor wear beyond discard thickness\u003c\/li\u003e\n\u003cli\u003eBrake pulsation from rotor variation or uneven wear\u003c\/li\u003e\n\u003cli\u003eSurface scoring, grooves, or heat checking\u003c\/li\u003e\n\u003cli\u003eCorrosion on the rotor hat or braking surface\u003c\/li\u003e\n\u003cli\u003eNoise or vibration during braking on Audi A4, A4 Quattro, A6, A6 Quattro, A8, or A8 Quattro models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the rotor matches the front left position, 312 mm diameter, 5-lug 112 mm bolt pattern, and 68 mm center bore before installation. Confirm vehicle-specific notes such as wheel size, chassis number, production date, and tire fitment where listed for Audi A6, A6 Quattro, A8, and A8 Quattro applications. Always inspect pads, caliper condition, and hub surfaces during brake service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamite Friction supplies this rotor as a specification-based replacement part with corrosion-resistant coating and application-specific dimensions for the listed Audi fitments. Part number 631-73044L is built to match the stated rotor size, thickness, and directional surface requirements for the confirmed applications.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51795664732341,"sku":"HBHR-631-73044L","price":121.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63173044L_Fro.jpg?v=1774641712","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-73044l-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}