{"product_id":"centric-121-39034-disc-brake-rotor","title":"Centric 121.39034 Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.39034\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.39034 is engineered for reliable braking performance on Volvo XC90 models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Volvo XC90 vehicles\u003c\/li\u003e\n\u003cli\u003ePart number 121.39034 for precise identification\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor design for improved cooling\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.181 inches (30.000 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness at 1.063 inches (27.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 13.209 inches (335.500 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 2.016 inches (51.200 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting with pillar vane style for enhanced airflow\u003c\/li\u003e\n\u003cli\u003e5 stud\/lug holes with 0.661 inch (16.800 mm) diameter\u003c\/li\u003e\n\u003cli\u003eWeight approximately 25 lbs (11.360 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 focuses on delivering dependable replacement rotors that meet or exceed OEM specifications. This product line emphasizes consistent thickness and balanced design, ensuring proper fitment and braking performance for vehicles like the Volvo XC90. The 121.39034 rotor maintains the standard vented construction and smooth surface finish typical of this line, supporting effective heat dissipation and rotor longevity.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.063 inches (27.000 mm), indicating the minimum thickness before replacement is necessary. The rotor’s outside diameter measures 13.209 inches (335.500 mm), with an overall height of 2.016 inches (51.200 mm). It includes a floating disc mounting system and pillar-style vanes to optimize airflow and cooling during braking. The rotor has five stud\/lug holes, each with a diameter of 0.661 inches (16.800 mm), and a mounting bolt hole circle diameter of 4.252 inches (108.000 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 on Volvo XC90 models\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation caused by uneven rotor thickness\u003c\/li\u003e\n\u003cli\u003eResolves excessive brake noise due to rotor surface wear\u003c\/li\u003e\n\u003cli\u003eImproves braking performance by restoring proper rotor thickness\u003c\/li\u003e\n\u003cli\u003ePrevents overheating with vented design to reduce brake fade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is measured before installation to confirm discard limits\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces to prevent rotor runout and vibration\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications on lug nuts to avoid rotor distortion\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with Volvo XC90 model year and brake system\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and replace if worn to maintain optimal braking\u003c\/li\u003e\n\u003c\/ul\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 fit, form, and function. While specific warranty details for part number 121.39034 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Users should consult product documentation or authorized sources for exact warranty terms.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44567981097141,"sku":"BKNJ-121.39034","price":57.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12139034_Fro.jpg?v=1774638434","url":"https:\/\/www.partcatalog.com\/products\/centric-121-39034-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}