{"product_id":"raybestos-66576-disc-brake-rotor","title":"Raybestos 66576 Disc Brake Rotor - Front","description":"\u003ch2\u003eReliable Vented Disc Brake Rotor for Ford, Mazda, and Mercury Trucks\u003c\/h2\u003e\u003cp\u003eThe Raybestos Specialty - Truck Disc Brake Rotor 66576 is engineered to meet the braking demands of Ford, Mazda, and Mercury trucks and SUVs. Designed as a vented rotor with precise dimensions, it ensures consistent performance and durability for models like the Ford Ranger, Mazda B3000, and Mercury Mountaineer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eOverall height: 2.590 inches (65.800 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 11.260 inches (286.000 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 1.025 inches (26.050 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 0.965 inches (24.500 mm)\u003c\/li\u003e\n\u003cli\u003e5 mounting bolt holes with 4.500 inch (114.300 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 2.837 inches (72.050 mm)\u003c\/li\u003e\n\u003cli\u003eConventional rotor type compatible with drum-in-hat setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Specifications and Product Line Information\u003c\/h2\u003e\u003cp\u003eThis Raybestos disc brake rotor, part number 66576, belongs to the Specialty - Truck product line, which focuses on components tailored for truck and SUV applications. The vented design helps reduce brake fade by allowing better airflow, which is critical for heavier vehicles like the Ford Explorer and Mazda B4000. The rotor’s nominal thickness of 1.025 inches and discard thickness of 0.965 inches provide a clear service life indicator to maintain safe braking performance. Its 5-lug mounting pattern and conventional rotor style make it compatible with a range of Ford, Mazda, and Mercury models, ensuring a precise fit and reliable operation.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake pulsation\u003c\/li\u003e\n\u003cli\u003eUpgrading from solid to vented rotors for improved heat management\u003c\/li\u003e\n\u003cli\u003eResolving brake noise and vibration issues on Ford Ranger and Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003eRestoring proper rotor thickness to maintain braking efficiency\u003c\/li\u003e\n\u003cli\u003eEnsuring compatibility with 5-lug bolt patterns on Mazda B3000 and B4000\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Raybestos 66576 rotor, ensure the mounting surface is clean and free of rust or debris to prevent uneven rotor seating. Verify the rotor thickness before installation; replace if below the discard thickness of 0.965 inches. Use proper torque specifications on the 5 mounting bolts to avoid rotor warping. This rotor is designed for conventional drum-in-hat brake systems, so confirm compatibility with your vehicle’s brake setup prior to installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos Specialty - Truck rotors are manufactured to meet or exceed OEM standards for durability and performance. Each rotor undergoes strict quality control to ensure dimensional accuracy and material integrity. While specific warranty details for part number 66576 should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44446314594485,"sku":"BDBL-66576","price":86.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_66576_Fro_1cc7f174-b560-4c35-8a8a-b75f5b9c10b4.jpg?v=1774636575","url":"https:\/\/www.partcatalog.com\/products\/raybestos-66576-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}