{"product_id":"dynamic-friction-631-80041l-disc-brake-rotor","title":"Dynamic Friction 631-80041L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eDrilled and Slotted Front Left Rotor for Mazda 3\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-80041L, is a front left disc brake rotor built for specific Mazda applications. It combines a vented rotor design with a slotted X drilled surface and a zinc silver hat finish for a clean, corrosion-resistant appearance.\u003c\/p\u003e\u003cp\u003eFits 2004-2013 Mazda 3, front left. Fits 2010-2013 Mazda 3 Sport, front left. The 631-80041L is sized for vehicles that use a 278 mm outside diameter, 72 mm center hole, 5-bolt pattern, and 114.3 mm bolt circle.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number 631-80041L for front left brake rotor replacement\u003c\/li\u003e\n\u003cli\u003eSlotted X drilled brake surface for consistent pad contact and heat management\u003c\/li\u003e\n\u003cli\u003eVented rotor construction\u003c\/li\u003e\n\u003cli\u003eZinc silver hat finish with rust resistant coating\u003c\/li\u003e\n\u003cli\u003ePlain disc finish with directional brake surface\u003c\/li\u003e\n\u003cli\u003e5 lug holes, 14 mm stud\/lug hole diameter, 114.3 mm bolt circle\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 278 mm; overall height: 48.7 mm\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 25 mm; discard thickness: 23 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line Details\u003c\/h2\u003e\u003cp\u003eDynamic Friction’s DFC Brake Rotor - Drilled and Slotted - Silver line focuses on application-specific rotors with a finished hat section and a functional brake surface pattern. This rotor line is built for drivers who want a direct-fit replacement rotor with a drilled and slotted face and corrosion-resistant coating for everyday braking service.\u003c\/p\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction 631-80041L disc brake rotor is engineered for the front left position on select Mazda 3 and Mazda 3 Sport models. Its vented design helps support heat dissipation during repeated braking, while the slotted X drilled surface is intended to maintain pad bite and help manage surface buildup. The zinc silver hat finish and rust resistant coating add protection to the rotor’s non-friction areas, which is important for vehicles exposed to moisture and road debris.\u003c\/p\u003e\u003cp\u003eThis rotor is a fitment-based replacement for 2004-2013 Mazda 3 front left and 2010-2013 Mazda 3 Sport front left applications. The 631-80041L uses a 5-bolt pattern with a 114.3 mm bolt circle and a 72 mm center hole, making it important to verify rotor dimensions and position before ordering.\u003c\/p\u003e\u003ch2\u003eWhat This Rotor Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pulsation caused by worn or uneven front rotors\u003c\/li\u003e\n\u003cli\u003eReduced braking consistency from heat-affected rotor surfaces\u003c\/li\u003e\n\u003cli\u003eSurface rust on exposed rotor hat areas\u003c\/li\u003e\n\u003cli\u003eBrake noise related to rotor wear or glazing\u003c\/li\u003e\n\u003cli\u003eFront left rotor replacement needs on Mazda 3 and Mazda 3 Sport models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the front left position, rotor diameter, thickness, and bolt pattern before installation. Match the rotor to the vehicle’s brake setup and inspect pads, caliper hardware, and hub condition at the same time. Clean the hub mounting surface thoroughly so the rotor seats flat and runs true.\u003c\/p\u003e\u003cp\u003eBecause this rotor uses a directional brake surface, install it in the correct orientation for the front left side. Verify that the rotor thickness remains above discard thickness during service checks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBuilt by Dynamic Friction for application-specific fitment, this rotor is manufactured to match the listed Mazda 3 and Mazda 3 Sport front left applications and dimensional requirements.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":43389641719989,"sku":"HBHR-631-80041L","price":79.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63180041L_Fro.jpg?v=1774634509","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-631-80041l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}