{"product_id":"dynamite-friction-631-48039l-disc-brake-rotor","title":"Dynamite Friction 631-48039L 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 631-48039L) is engineered for reliable braking performance on heavy-duty vehicles. Designed specifically for Chevrolet, GMC, and Hummer models, this rotor offers enhanced heat dissipation and consistent stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 631-48039L\u003c\/li\u003e\n\u003cli\u003eDisc Type: Vented, drilled and slotted surface\u003c\/li\u003e\n\u003cli\u003eNominal Thickness: 29 mm with a discard thickness of 26.5 mm\u003c\/li\u003e\n\u003cli\u003eOverall Diameter: 330 mm\u003c\/li\u003e\n\u003cli\u003eHat Finish: Zinc silver coating for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eBolt Hole Quantity: 8 with 16.5 mm diameter\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for optimized performance\u003c\/li\u003e\n\u003cli\u003eRust resistant coating included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis DFC Brake Rotor features a vented design that improves airflow to reduce heat buildup during braking, which helps maintain consistent brake performance and reduces the risk of warping. The drilled and slotted surface enhances water and debris evacuation, improving wet-weather braking and reducing brake fade. The rotor’s nominal thickness is 29 mm, with a discard thickness of 26.5 mm, ensuring a long service life before replacement is necessary.\u003c\/p\u003e\u003cp\u003eThe rotor’s hat is finished with a zinc silver coating to resist rust and corrosion, extending the rotor’s durability in harsh environments. With an outside diameter of 330 mm and an overall height of 85.7 mm, this rotor is engineered to fit specific heavy-duty Chevrolet, GMC, and Hummer models. The bolt pattern includes 8 holes with a 16.5 mm diameter and a bolt circle diameter of 165.1 mm, matching factory specifications for secure installation.\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 from Dynamite Friction is designed to provide enhanced braking performance through advanced rotor surface technology. The combination of drilled holes and slots improves heat dissipation and debris removal, which is critical for heavy-duty applications. The silver zinc coating on the hat offers additional protection against corrosion, making this rotor suitable for vehicles operating in demanding conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Avalanche 2500\u003c\/li\u003e\n\u003cli\u003eChevrolet Express 2500 and 3500\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 1500, 1500 HD, 1500 HD Classic, 2500\u003c\/li\u003e\n\u003cli\u003eChevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500 HD, 1500 HD Classic, 2500, 2500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Savana 2500 and 3500\u003c\/li\u003e\n\u003cli\u003eHummer H2\u003c\/li\u003e\n\u003cli\u003eGMC Yukon XL 2500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Brake Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fade caused by excessive heat buildup\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency in wet or debris-filled conditions\u003c\/li\u003e\n\u003cli\u003eCorrosion and rust on rotor surfaces\u003c\/li\u003e\n\u003cli\u003eWarping or uneven rotor wear\u003c\/li\u003e\n\u003cli\u003eIncompatibility with factory bolt patterns and dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor thickness is above the discard thickness of 26.5 mm before installation. Clean the hub surface thoroughly to prevent uneven mounting. Use the correct torque specifications for the 8 bolt holes with 16.5 mm diameter to secure the rotor. The directional drilled and slotted surface requires installation in the correct rotation direction for optimal performance. Always inspect brake pads and hardware during rotor replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Silver to meet or exceed OEM specifications for fit, form, and function. The rust-resistant zinc silver coating adds durability in corrosive environments. While specific warranty details are not provided here, Dynamite Friction products typically come with a limited warranty against manufacturing defects. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":43389626482869,"sku":"HBHR-631-48039L","price":113.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63148039L_Fro.jpg?v=1774634428","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-48039l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}