{"product_id":"centric-121-35089-disc-brake-rotor","title":"Centric 121.35089 Disc Brake Rotor - Front","description":"\u003ch2\u003eReliable Disc Brake Rotor for Mercedes-Benz Models\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.35089 is engineered to meet the braking demands of various Mercedes-Benz SUVs. Designed specifically for models like the GL320, GL450, ML350, and R500, this vented rotor ensures consistent performance and durability under normal driving conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 121.35089\u003c\/li\u003e\n\u003cli\u003eCompatible with Mercedes-Benz GL320, GL450, GL550, ML320, ML350, ML450, ML500, ML550, R320, R350, R500\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 1.256 inches (31.900 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 1.157 inches (29.400 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 12.992 inches (330.000 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height: 2.138 inches (54.300 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting with 5 lug holes (0.602 inches diameter)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 26.5 lbs (12.05 kgs)\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 offers reliable replacement rotors designed to meet or exceed OEM specifications. These rotors feature a vented design for improved heat dissipation and a smooth surface to ensure consistent pad contact. The 121.35089 rotor is part of this line, providing a balance of performance and durability suitable for daily driving and moderate use on Mercedes-Benz SUVs.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a vented design with straight vanes to enhance cooling during braking. The rotor has a nominal thickness of 1.256 inches (31.900 mm) and a discard thickness of 1.157 inches (29.400 mm), indicating when replacement is necessary to maintain safe braking performance. The outside diameter measures 12.992 inches (330.000 mm), and the overall height is 2.138 inches (54.300 mm). It mounts using a floating disc mounting system with a 5-lug hole pattern, each lug hole measuring 0.602 inches (15.300 mm) in diameter, and a mounting bolt hole circle diameter of 4.409 inches (112.000 mm). The center hole diameter is 2.638 inches (67.000 mm). This rotor does not include an ABS tone ring or bearings.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake pulsation\u003c\/li\u003e\n\u003cli\u003eRestores braking performance on Mercedes-Benz GL and ML series SUVs\u003c\/li\u003e\n\u003cli\u003eAddresses rotor thickness below discard limits to maintain safety\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during extended use\u003c\/li\u003e\n\u003cli\u003eEliminates noise and vibration caused by uneven rotor surfaces\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 before installation. Clean the rotor surface to remove any protective coatings or debris. Use proper torque specifications for lug nuts and mounting bolts to avoid rotor warping. Verify compatibility with your specific Mercedes-Benz model and year. It is recommended to replace brake pads simultaneously for optimal braking performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric typically offers limited warranties covering 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":44566161162421,"sku":"BKNJ-121.35089","price":70.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12135089_Fro.jpg?v=1774638407","url":"https:\/\/www.partcatalog.com\/products\/centric-121-35089-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}