{"product_id":"raybestos-681939-disc-brake-rotor","title":"Raybestos 681939 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Raybestos 681939 Disc Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Raybestos Specialty - Truck; Coated Rotor 681939 is engineered for reliable braking performance on Ford Transit trucks. Designed specifically for Transit-150, Transit-250, Transit-350, and Transit-350 HD models, this solid disc brake rotor meets precise specifications to ensure proper fit and function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 681939\u003c\/li\u003e\n\u003cli\u003eBrand Line: Specialty - Truck; Coated Rotor\u003c\/li\u003e\n\u003cli\u003eType: Solid Disc Brake Rotor with Smooth Surface\u003c\/li\u003e\n\u003cli\u003eMounting Bolt Hole Quantity: 5\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 12.126 inches (308.000 mm)\u003c\/li\u003e\n\u003cli\u003eNominal Thickness: 0.710 inches (18.050 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard Thickness: 0.590 inches (15.000 mm)\u003c\/li\u003e\n\u003cli\u003eCenter Hole Diameter: 4.803 inches (122.000 mm)\u003c\/li\u003e\n\u003cli\u003eMounting Bolt Hole Circle Diameter: 5.906 inches (150.000 mm)\u003c\/li\u003e\n\u003cli\u003eBolt Thread Pitch: 1.250 mm (0.049 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Raybestos disc brake rotor 681939 is a solid, conventional rotor designed for heavy-duty truck applications. The smooth surface finish supports consistent brake pad contact, reducing uneven wear and noise. With a nominal thickness of 0.710 inches and a discard thickness of 0.590 inches, this rotor provides a clear service life indicator to maintain safe braking performance. The rotor’s 5-bolt mounting pattern and 12.126-inch outside diameter are tailored to fit Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD models, ensuring compatibility and ease of installation.\u003c\/p\u003e\u003cp\u003eThe Specialty - Truck; Coated Rotor product line focuses on providing coated rotors that resist corrosion and extend rotor life in demanding truck environments. This coating helps protect the rotor surface from rust and environmental damage, which is especially beneficial for commercial vehicles like the Ford Transit series that operate in varied conditions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation caused by uneven rotor thickness\u003c\/li\u003e\n\u003cli\u003eResolves noise issues related to rotor surface imperfections\u003c\/li\u003e\n\u003cli\u003ePrevents premature rotor corrosion with coated surface\u003c\/li\u003e\n\u003cli\u003eMaintains proper brake pad contact for consistent stopping power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor thickness before installation; replace if below discard thickness of 0.590 inches\u003c\/li\u003e\n\u003cli\u003eEnsure mounting surfaces and bolt holes are clean and free of debris\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for the 5 mounting bolts with 1.250 mm thread pitch\u003c\/li\u003e\n\u003cli\u003eInspect brake pads for wear and replace if necessary to avoid uneven rotor wear\u003c\/li\u003e\n\u003cli\u003eCheck hub and rotor fitment to confirm center hole diameter of 4.803 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Truck; Coated Rotor line undergoes rigorous quality control to ensure durability and performance under heavy-duty conditions. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or authorized sources for exact warranty terms.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44447095652533,"sku":"BDBL-681939","price":98.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_681939_Fro.jpg?v=1774636685","url":"https:\/\/www.partcatalog.com\/products\/raybestos-681939-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}