{"product_id":"raybestos-56999r-disc-brake-rotor","title":"Raybestos 56999R Disc Brake Rotor - Front","description":"\u003ch2\u003eReliable Disc Brake Rotor for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line 56999R disc brake rotor is engineered for heavy-duty performance on Chevrolet and GMC trucks. Designed specifically for models like the Silverado 2500 HD and Sierra 3500, this vented rotor ensures consistent braking under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.500 inches (38.100 mm) with discard thickness at 1.437 inches (36.500 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 3.510 inches (89.150 mm) for precise fitment\u003c\/li\u003e\n\u003cli\u003eOutside diameter measures 12.795 inches (325.000 mm)\u003c\/li\u003e\n\u003cli\u003eEight mounting bolt holes with a 6.500 inch (165.100 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 4.650 inches (118.100 mm) for secure installation\u003c\/li\u003e\n\u003cli\u003eConventional rotor type compatible with drum-in-hat setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Raybestos R-Line Product Line\u003c\/h2\u003e\u003cp\u003eThe R-Line by Raybestos is a product line focused on delivering dependable braking components for heavy-duty and commercial vehicles. This line emphasizes durability and precise engineering, making it suitable for demanding applications such as those found in Chevrolet Avalanche 2500 and GMC Savana 3500 models. The 56999R rotor exemplifies the R-Line’s commitment to quality and fitment accuracy.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Raybestos R-Line 56999R disc brake rotor is a vented design that helps reduce heat buildup during braking, which is critical for maintaining performance and rotor longevity on heavy trucks. With a nominal thickness of 1.500 inches and a discard thickness of 1.437 inches, it provides a clear service life indicator to ensure safe replacement timing. The rotor’s 12.795-inch outside diameter and 3.510-inch overall height are engineered to match factory specifications for Chevrolet and GMC 2500 and 3500 series trucks, including Silverado, Sierra, Avalanche, Express, and Savana models. The eight mounting bolt holes and 6.500-inch bolt circle diameter ensure a secure and precise fit, while the conventional rotor type supports compatibility with drum-in-hat brake systems.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake pulsation\u003c\/li\u003e\n\u003cli\u003eUpgrading to vented rotors for improved heat dissipation on heavy-duty trucks\u003c\/li\u003e\n\u003cli\u003eRestoring braking performance on Chevrolet Silverado 2500 HD and GMC Sierra 3500 Classic\u003c\/li\u003e\n\u003cli\u003eAddressing rotor thickness below discard limits to maintain safety\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fitment for models like GMC Savana 2500 and Chevrolet Avalanche 2500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor thickness before installation to ensure it meets minimum discard thickness of 1.437 inches\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces to prevent rotor runout and uneven wear\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer specifications for secure fitment\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and hardware during rotor replacement for optimal braking system performance\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damage to rotor or mounting components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details for part number 56999R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44437909176501,"sku":"BDBL-56999R","price":85.03,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_56999R_Fro.jpg?v=1774636442","url":"https:\/\/www.partcatalog.com\/products\/raybestos-56999r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}