{"product_id":"centric-121-66052-disc-brake-rotor","title":"Centric 121.66052 Disc Brake Rotor - Rear","description":"\u003ch2\u003eReliable Disc Brake Rotor for Select GM and Isuzu Models\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66052 offers a precise replacement solution for various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. Designed to meet OEM specifications, this vented rotor ensures consistent braking performance for models like the Trailblazer, Envoy, and Ascender.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 121.66052\u003c\/li\u003e\n\u003cli\u003eBrand: Centric, Brand Line: C-TEK Standard Disc Brake Rotors\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 12.795 inches (325.0 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 0.787 inches (20.0 mm), discard thickness: 0.728 inches (18.5 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height: 3.346 inches (85.0 mm)\u003c\/li\u003e\n\u003cli\u003e6 lug holes with 0.520 inch (13.2 mm) diameter\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter: 5.0 inches (127.0 mm)\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 3.098 inches (78.7 mm)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 18 lbs (8.18 kgs)\u003c\/li\u003e\n\u003cli\u003eABS tone ring not included\u003c\/li\u003e\n\u003c\/ul\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 is engineered to provide dependable, direct-fit replacements that meet or exceed OEM standards. This product line focuses on delivering rotors with precise dimensions and quality materials to ensure proper fitment and consistent braking performance. The 121.66052 rotor exemplifies this approach with its vented design and smooth surface, suitable for a range of GM and Isuzu SUVs and trucks.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis vented disc brake rotor features a nominal thickness of 0.787 inches (20.0 mm) and a discard thickness of 0.728 inches (18.5 mm), ensuring safe and effective braking until replacement is necessary. The rotor’s outside diameter measures 12.795 inches (325.0 mm), with an overall height of 3.346 inches (85.0 mm). It includes six lug holes sized at 0.520 inches (13.2 mm) diameter arranged on a 5.0-inch (127.0 mm) bolt circle. The center hole diameter is 3.098 inches (78.7 mm). The rotor is designed with straight vanes for efficient heat dissipation and does not include an ABS tone ring or bearings.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Rainier\u003c\/li\u003e\n\u003cli\u003eChevrolet Trailblazer, Trailblazer EXT, SSR\u003c\/li\u003e\n\u003cli\u003eGMC Envoy, Envoy XL, Envoy XUV\u003c\/li\u003e\n\u003cli\u003eIsuzu Ascender, Bravada\u003c\/li\u003e\n\u003cli\u003eOldsmobile models compatible with specified dimensions\u003c\/li\u003e\n\u003cli\u003eSaab 9-7x\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pulsation or vibration due to warped rotors\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency from worn or thin rotors\u003c\/li\u003e\n\u003cli\u003eOverheating caused by insufficient rotor ventilation\u003c\/li\u003e\n\u003cli\u003eUneven brake pad wear linked to rotor surface irregularities\u003c\/li\u003e\n\u003cli\u003eNoise or squealing related to rotor surface condition\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor thickness is above the discard thickness of 0.728 inches before installation. Clean the rotor surface to remove any protective coatings or contaminants. Verify proper alignment of the 6 lug holes and mounting bolt circle diameter of 5.0 inches. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately if necessary. Proper torque specifications should be followed to avoid rotor warping.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.66052 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship under normal use conditions.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44571116929205,"sku":"BKNJ-121.66052","price":60.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166052_Fro_9e144e62-e296-4890-8023-7c6a1c433e40.jpg?v=1774638785","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66052-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}