{"product_id":"centric-320-34078h-disc-brake-rotor","title":"Centric 320.34078H Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Centric GCX Elemental Protection Disc Brake Rotors\u003c\/h2\u003e\u003cp\u003eThe Centric GCX Elemental Protection Disc Brake Rotor (part number 320.34078H) is engineered for BMW 323i, 325i, and 328i models. Designed with a full coating and high carbon content, this rotor offers reliable braking performance and enhanced durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull coating on disc and hat for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eHigh carbon content for improved heat dissipation and reduced brake fade\u003c\/li\u003e\n\u003cli\u003eVented rotor design with straight vanes for efficient cooling\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.787 inches (20.000 mm) with discard thickness at 0.724 inches (18.400 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 11.803 inches (299.800 mm) suitable for specified BMW models\u003c\/li\u003e\n\u003cli\u003eCoated hat finish to protect mounting surface\u003c\/li\u003e\n\u003cli\u003e5 lug holes with 0.579 inch (14.700 mm) diameter and 4.724 inch (120.000 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 2.953 inches (75.000 mm)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 13.75 lbs (6.25 kgs)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line Details: Centric GCX Elemental Protection Disc Brake Rotors\u003c\/h2\u003e\u003cp\u003eThe Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, High Carbon Content line focuses on providing rotors with enhanced corrosion resistance and thermal management. The full coating on both the disc and hat surfaces helps prevent rust and extends rotor life, while the high carbon content improves heat dissipation during braking. This combination is particularly beneficial for BMW 3 Series vehicles like the 323i, 325i, and 328i, which demand consistent braking performance under varied driving conditions.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis vented disc brake rotor features straight vanes that promote airflow to reduce heat buildup. The nominal thickness of 0.787 inches (20.000 mm) ensures structural integrity, while the discard thickness of 0.724 inches (18.400 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s smooth surface finish supports even pad wear and consistent braking. The coated hat finish protects the mounting area from corrosion, maintaining proper fitment and alignment.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on BMW 323i, 325i, and 328i models\u003c\/li\u003e\n\u003cli\u003eAddresses brake fade caused by excessive heat during prolonged braking\u003c\/li\u003e\n\u003cli\u003ePrevents corrosion-related rotor damage in humid or salty environments\u003c\/li\u003e\n\u003cli\u003eImproves braking consistency and pedal feel\u003c\/li\u003e\n\u003cli\u003eSuitable for vehicles experiencing uneven pad wear or vibration during braking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness before installation\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces and check hub for rust or debris\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to ensure optimal rotor performance\u003c\/li\u003e\n\u003cli\u003ePerform a bed-in procedure after installation for consistent braking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The full coating and high carbon content materials contribute to long service life and reliable performance. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":43661110608053,"sku":"BKNJ-320.34078H","price":66.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_32034078H_Fro.jpg?v=1774636114","url":"https:\/\/www.partcatalog.com\/products\/centric-320-34078h-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}