{"product_id":"raybestos-781766r-disc-brake-rotor","title":"Raybestos 781766R Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Raybestos R-Line Disc Brake Rotor 781766R\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line Disc Brake Rotor 781766R is engineered for reliable braking performance on Ram ProMaster vehicles. Designed specifically for Ram ProMaster 1500, 2500, 3500, and ProMaster Rapid models, this vented rotor meets precise specifications to maintain optimal stopping power and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ram ProMaster 1500, 2500, 3500, and ProMaster Rapid\u003c\/li\u003e\n\u003cli\u003ePart number 781766R for exact fitment\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.260 inches (32.000 mm) and discard thickness of 1.181 inches (30.000 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 1.141 inches (29.000 mm) and outside diameter of 11.811 inches (300.000 mm)\u003c\/li\u003e\n\u003cli\u003eFive mounting bolt holes with 0.694 inch (17.650 mm) diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 3.150 inches (80.000 mm) for proper hub alignment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis Raybestos R-Line rotor is a vented, conventional type designed to dissipate heat efficiently during braking, reducing the risk of brake fade. The smooth surface type ensures consistent pad contact and wear. With a nominal thickness of 1.260 inches (32.000 mm) and a discard thickness of 1.181 inches (30.000 mm), this rotor maintains structural integrity and safety throughout its service life. The rotor’s outside diameter measures 11.811 inches (300.000 mm), and it features five mounting bolt holes arranged on a 5.110 inch (129.800 mm) bolt circle diameter, ensuring compatibility with the specified Ram ProMaster models. The center hole diameter of 3.150 inches (80.000 mm) allows for precise hub fitment, critical for maintaining wheel balance and brake performance.\u003c\/p\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 reliable, OEM-quality brake components for commercial and passenger vehicles. This line emphasizes durability and consistent performance, making it suitable for demanding applications such as those encountered by Ram ProMaster vans. The 781766R rotor exemplifies the R-Line’s commitment to meeting exacting standards for fit, form, and function.\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 and vibration issues linked to uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eUpgrading to vented rotors for improved heat dissipation in heavy-duty use\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fitment on Ram ProMaster 1500, 2500, 3500, and ProMaster Rapid models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Raybestos R-Line 781766R rotor, ensure the mounting surface and hub are clean and free of rust or debris to maintain proper rotor alignment. Torque the five mounting bolts to manufacturer specifications to avoid rotor warping. It is recommended to replace brake pads simultaneously to ensure even wear and optimal braking performance. Verify rotor thickness before installation to confirm it meets or exceeds the nominal thickness of 1.260 inches (32.000 mm).\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line rotors are manufactured to meet or exceed OEM standards, providing consistent quality and durability. While specific warranty details for part number 781766R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship. This ensures confidence in the rotor’s performance on Ram ProMaster vehicles.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44447623250101,"sku":"BDBL-781766R","price":76.82,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_781766R_Fro.jpg?v=1774636796","url":"https:\/\/www.partcatalog.com\/products\/raybestos-781766r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}