{"product_id":"raybestos-980427r-disc-brake-rotor","title":"Raybestos 980427R Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Raybestos R-Line Disc Brake Rotor 980427R\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line Disc Brake Rotor 980427R is engineered for reliable braking performance on select Mercedes-Benz models. Designed as a vented, conventional rotor, it offers precise fitment and consistent stopping power for vehicles like the GL320, ML350, and R500.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 12.992 inches (330 mm) for exact fit\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.260 inches (32 mm) with discard thickness at 1.157 inches (29.4 mm)\u003c\/li\u003e\n\u003cli\u003eFive mounting bolt holes with a 4.409 inch (112 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 2.638 inches (67 mm) for proper hub alignment\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Mercedes-Benz GL, ML, and R-Class models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis Raybestos R-Line rotor (part number 980427R) is a vented type rotor, which helps reduce brake fade by allowing better airflow and heat dissipation during braking. The rotor’s overall height measures 2.146 inches (54.5 mm), ensuring proper clearance and fitment within the brake assembly. With a solid construction and a conventional drum-in-hat design, this rotor maintains structural integrity and consistent braking performance under various driving conditions.\u003c\/p\u003e\u003cp\u003eThe nominal thickness of 1.260 inches (32 mm) provides a durable braking surface, while the discard thickness of 1.157 inches (29.4 mm) indicates the minimum safe thickness before replacement is necessary. The five mounting bolt holes and stud\/lug hole quantity of five ensure secure installation on compatible Mercedes-Benz vehicles.\u003c\/p\u003e\u003ch2\u003eRaybestos R-Line Product Line\u003c\/h2\u003e\u003cp\u003eThe R-Line by Raybestos is designed to meet the demands of professional technicians and vehicle owners seeking reliable replacement rotors. This product line focuses on delivering rotors with precise fitment and consistent performance, making it suitable for a range of applications including luxury SUVs and crossovers like the Mercedes-Benz GL and ML series. The R-Line rotors are engineered to meet or exceed OEM specifications, providing a balance of durability and braking efficiency.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake pulsation\u003c\/li\u003e\n\u003cli\u003eAddressing reduced braking efficiency due to rotor thickness below discard limits\u003c\/li\u003e\n\u003cli\u003eEliminating noise and vibration from uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eImproving heat dissipation to prevent brake fade on Mercedes-Benz GL320, ML350, and R500 models\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fitment and alignment for safe braking performance\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\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces and hub to prevent rotor runout\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer specifications for secure fitment\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to maintain optimal braking\u003c\/li\u003e\n\u003cli\u003ePerform a test drive to confirm proper brake operation after installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line rotors are manufactured to meet strict quality standards, ensuring durability and consistent braking performance. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Using part number 980427R guarantees compatibility and reliability for Mercedes-Benz GL320, GL450, ML350, and related models.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44466085036213,"sku":"BDBL-980427R","price":79.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_980427R_Fro.jpg?v=1774637119","url":"https:\/\/www.partcatalog.com\/products\/raybestos-980427r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}