{"product_id":"raybestos-66785r-disc-brake-rotor-and-hub-assembly","title":"Raybestos 66785R Disc Brake Rotor and Hub Assembly - Front","description":"\u003ch2\u003eOverview of Raybestos R-Line Disc Brake Rotor and Hub Assembly\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line 66785R disc brake rotor and hub assembly is engineered for reliable braking performance on Ford Excursion, F-250 Super Duty, and F-350 Super Duty models. Designed to meet precise specifications, this assembly ensures proper fit and function for heavy-duty applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ford Excursion, F-250 Super Duty, and F-350 Super Duty\u003c\/li\u003e\n\u003cli\u003ePart number 66785R for accurate identification\u003c\/li\u003e\n\u003cli\u003eIncludes disc brake rotor and hub assembly\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole quantity: 8 with 170 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eNominal rotor thickness: 1.496 inches (38.000 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 1.417 inches (36.000 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole diameter: 0.603 inches (15.300 mm)\u003c\/li\u003e\n\u003cli\u003eStud\/lug hole quantity: 8\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 disc brake rotor and hub assembly from the R-Line is designed to provide consistent braking performance and durability for Ford heavy-duty trucks, ensuring compatibility and ease of installation.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor and hub assembly features a nominal thickness of 1.496 inches (38.000 mm) and a discard thickness of 1.417 inches (36.000 mm), which are critical for maintaining safe braking performance and rotor longevity. The assembly includes eight mounting bolt holes arranged on a 170 mm bolt circle diameter, with each hole measuring 0.603 inches (15.300 mm) in diameter. The eight stud\/lug holes provide secure attachment to the vehicle hub, ensuring stability under heavy loads.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Ford Excursion, F-250 Super Duty, and F-350 Super Duty\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation and vibration issues caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor thickness to maintain braking efficiency\u003c\/li\u003e\n\u003cli\u003eSolves hub assembly wear or damage affecting wheel alignment and safety\u003c\/li\u003e\n\u003cli\u003eEnsures secure mounting with correct bolt hole configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Raybestos R-Line 66785R rotor and hub assembly, verify the bolt hole pattern and stud count to match your vehicle specifications. Ensure the rotor thickness is above the discard thickness limit before installation. Proper torque specifications should be followed for mounting bolts to avoid warping or loosening during operation. It is recommended to inspect related brake components such as pads and calipers during installation for optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line brake components are manufactured to meet stringent quality standards, ensuring durability and consistent performance. While specific warranty details for part number 66785R should be confirmed with the supplier, Raybestos typically offers coverage against manufacturing defects to provide confidence in product reliability.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44446441308341,"sku":"BDBL-66785R","price":131.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_66785R_Fro.jpg?v=1775020118","url":"https:\/\/www.partcatalog.com\/products\/raybestos-66785r-disc-brake-rotor-and-hub-assembly","provider":"PartCatalog","version":"1.0","type":"link"}