{"product_id":"centric-121-66032-disc-brake-rotor","title":"Centric 121.66032 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.66032\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66032 is engineered for reliable braking performance on Chevrolet and GMC P30 and P3500 models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for heavy-duty applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet P30 and GMC P3500 vehicles\u003c\/li\u003e\n\u003cli\u003ePart number 121.66032 for precise identification\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor design for improved cooling\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 344.9 mm (13.579 inches)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole quantity: 10 with 184.2 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 36.2 mm and discard thickness of 34.7 mm\u003c\/li\u003e\n\u003cli\u003eSmooth surface type for consistent pad contact\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 139.8 mm for proper hub fitment\u003c\/li\u003e\n\u003cli\u003eWeight approximately 16.36 kg (36 lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Centric C-TEK Standard Disc Brake Rotor 121.66032 is a vented rotor designed to fit behind the hub, featuring straight vane style for effective airflow and heat dissipation. The rotor’s nominal thickness of 36.2 mm and discard thickness of 34.7 mm ensure it meets the required safety standards for replacement parts. With a smooth surface finish, it provides consistent braking contact and reduces uneven pad wear. The rotor includes 10 mounting bolt holes with a 184.2 mm bolt circle diameter and 17 mm bolt hole diameter, ensuring secure installation on Chevrolet P30 and GMC P3500 models. The center hole diameter of 139.8 mm allows for proper centering on the hub, contributing to balanced braking performance.\u003c\/p\u003e\u003ch2\u003eAbout the C-TEK Standard Disc Brake Rotors Line\u003c\/h2\u003e\u003cp\u003eThe C-TEK Standard Disc Brake Rotors line by Centric offers a range of rotors designed to meet OEM specifications for standard braking applications. This product line focuses on delivering reliable, consistent performance with vented rotor designs that help manage heat buildup during braking. The 121.66032 rotor is part of this line, providing a balance of durability and fitment accuracy for Chevrolet and GMC heavy-duty vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Chevrolet P30 and GMC P3500\u003c\/li\u003e\n\u003cli\u003eResolves brake pulsation caused by uneven rotor thickness\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during heavy use\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor thickness to maintain braking efficiency\u003c\/li\u003e\n\u003cli\u003eEliminates noise and vibration related to damaged rotors\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 (34.7 mm) before installation\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces to prevent rotor runout\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer specifications for secure fitment\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with ABS systems; this rotor does not include an ABS tone ring\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to ensure optimal rotor performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.66032 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571113980085,"sku":"BKNJ-121.66032","price":102.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166032_Fro.jpg?v=1774638779","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66032-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}