{"product_id":"centric-121-34077-disc-brake-rotor","title":"Centric 121.34077 Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.34077\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.34077 is engineered for reliable braking performance on select BMW models. Designed as a vented rotor with a smooth surface, it provides consistent stopping power and heat dissipation for vehicles like the BMW 320i and 328xi.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 120i, 125i, 128i, 320i, 325i, 325xi, 328i, and 328xi models\u003c\/li\u003e\n\u003cli\u003ePart number 121.34077 ensures precise fitment\u003c\/li\u003e\n\u003cli\u003eVented rotor design for improved heat management\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.945 inches (24.000 mm) with discard thickness at 0.882 inches (22.400 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 2.906 inches (73.800 mm) and outside diameter of 11.803 inches (299.800 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting with straight vane style for efficient airflow\u003c\/li\u003e\n\u003cli\u003eFive lug holes with a 4.724 inch (120.000 mm) bolt circle diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line Details: C-TEK Standard Disc Brake Rotors\u003c\/h2\u003e\u003cp\u003eThe C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for fit, form, and function. This product line focuses on providing solid and vented rotors with smooth surfaces to ensure consistent braking performance and durability. The 121.34077 rotor is a vented type, which helps maintain optimal operating temperatures during braking, making it suitable for daily driving conditions on compatible BMW vehicles.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a nominal thickness of 0.945 inches (24.000 mm) and a discard thickness of 0.882 inches (22.400 mm), indicating the minimum thickness before replacement is necessary. The rotor’s overall height measures 2.906 inches (73.800 mm), and it has an outside diameter of 11.803 inches (299.800 mm). It includes a center hole diameter of 3.110 inches (79.000 mm) and five stud\/lug holes each measuring 0.579 inches (14.700 mm) in diameter, arranged on a 4.724 inch (120.000 mm) bolt circle diameter. The rotor is vented with straight vanes to promote effective heat dissipation and prevent brake fade. It does not include an ABS tone ring or bearings.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on BMW 120i, 125i, 128i, 320i, 325i, 325xi, 328i, and 328xi models\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eImproves braking consistency by restoring proper rotor thickness\u003c\/li\u003e\n\u003cli\u003eHelps reduce overheating and brake fade during regular driving\u003c\/li\u003e\n\u003cli\u003eSuitable for vehicles requiring vented rotors with floating disc mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor thickness is measured before installation to confirm it meets or exceeds the nominal thickness of 0.945 inches (24.000 mm). Clean the rotor surface to remove any protective coatings or contaminants prior to mounting. Verify the bolt hole pattern and center hole diameter match the vehicle specifications. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. Proper torque specifications should be followed when securing the rotor to the hub.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for quality and durability. The 121.34077 rotor undergoes rigorous testing to ensure consistent performance and fitment on compatible BMW models. Warranty coverage details should be confirmed with the product documentation or manufacturer.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44566141763765,"sku":"BKNJ-121.34077","price":53.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12134077_Fro_f1ef1960-3e08-4900-9a1d-9c433e293e56.jpg?v=1774638376","url":"https:\/\/www.partcatalog.com\/products\/centric-121-34077-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}