{"product_id":"raybestos-981776r-disc-brake-rotor","title":"Raybestos 981776R Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Raybestos R-Line Disc Brake Rotor 981776R\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line Disc Brake Rotor 981776R is engineered for reliable braking performance on select Mercedes-Benz models. Designed specifically for the CLA250 and GLA250, this vented rotor meets precise specifications to maintain optimal stopping power and vehicle safety.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mercedes-Benz CLA250 and GLA250 models\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eOverall height: 2.012 inches (51.100 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 12.598 inches (320.000 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole quantity: 5 with 4.409 inches (112.000 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 1.180 inches (29.950 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 1.100 inches (27.950 mm)\u003c\/li\u003e\n\u003cli\u003eConventional rotor type with drum-in-hat design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRaybestos R-Line Product Line Details\u003c\/h2\u003e\u003cp\u003eThe R-Line by Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM specifications. This line emphasizes precision manufacturing and consistent material quality, making it suitable for drivers seeking reliable replacement parts. The 981776R rotor exemplifies the R-Line’s commitment to fitment accuracy and performance for Mercedes-Benz vehicles.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a vented design to enhance cooling during braking, reducing the risk of brake fade under demanding conditions. The rotor’s overall height measures 2.012 inches (51.100 mm), with an outside diameter of 12.598 inches (320.000 mm), ensuring proper fitment and compatibility with the braking system of the Mercedes-Benz CLA250 and GLA250. It includes five mounting bolt holes arranged on a 4.409-inch (112.000 mm) bolt circle diameter, matching factory specifications. The nominal thickness of 1.180 inches (29.950 mm) provides sufficient material for durability, while the discard thickness of 1.100 inches (27.950 mm) indicates the minimum safe thickness before replacement is necessary. This rotor is a conventional type with a drum-in-hat design, suitable for the specified vehicle models.\u003c\/p\u003e\u003ch2\u003eCommon Applications 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\u003eResolving noise issues related to uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eImproving heat dissipation to prevent brake fade during extended use\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fitment and alignment for Mercedes-Benz CLA250 and GLA250 brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Raybestos R-Line 981776R rotor, ensure the vehicle is securely lifted and the wheel assembly is removed. Clean the hub surface to remove rust or debris before mounting the rotor. Verify the rotor’s orientation and bolt hole alignment with the vehicle’s hub. Torque the mounting bolts to manufacturer specifications to avoid warping. It is recommended to replace brake pads simultaneously to maintain optimal braking performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. The 981776R rotor undergoes rigorous testing to comply with OEM fitment and material requirements. While specific warranty details are not provided here, Raybestos typically offers limited warranties covering defects in material and workmanship. Consult product documentation or authorized sources for exact warranty terms.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44467235094709,"sku":"BDBL-981776R","price":95.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_981776R_Fro.jpg?v=1774637343","url":"https:\/\/www.partcatalog.com\/products\/raybestos-981776r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}