{"product_id":"centric-121-62109-disc-brake-rotor","title":"Centric 121.62109 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Centric C-TEK Standard Disc Brake Rotor 121.62109\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.62109 is engineered for reliable braking performance on Chevrolet and Saturn Astra models. Designed as a solid rotor with a smooth surface, it provides consistent stopping power and durability for everyday driving conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet Astra and Saturn Astra vehicles\u003c\/li\u003e\n\u003cli\u003ePart number 121.62109 for precise identification\u003c\/li\u003e\n\u003cli\u003eSolid disc brake rotor with smooth surface finish\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 10.386 inches (263.8 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.394 inches (10.0 mm) and discard thickness of 0.315 inches (8.0 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height measures 1.661 inches (42.2 mm)\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting design with 5 lug holes (0.559 inches \/ 14.2 mm diameter)\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 2.579 inches (65.5 mm) and mounting bolt hole circle diameter of 4.331 inches (110 mm)\u003c\/li\u003e\n\u003cli\u003eWeight approximately 8.6 lbs (3.91 kgs)\u003c\/li\u003e\n\u003cli\u003eABS tone ring not included; bearings not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Centric C-TEK Standard Disc Brake Rotor 121.62109 is a solid rotor designed to meet the braking requirements of Chevrolet and Saturn Astra vehicles. The rotor features a smooth surface type that ensures even pad contact and consistent braking performance. With a nominal thickness of 0.394 inches (10.0 mm) and a discard thickness of 0.315 inches (8.0 mm), this rotor provides a clear service life indicator to maintain safe braking operation. The overall height of 1.661 inches (42.2 mm) and an outside diameter of 10.386 inches (263.8 mm) are engineered to match factory specifications for proper fitment and function.\u003c\/p\u003e\u003cp\u003eThe rotor uses a floating disc mounting design and includes five stud\/lug holes with a diameter of 0.559 inches (14.2 mm), arranged on a mounting bolt hole circle diameter of 4.331 inches (110 mm). The center hole diameter of 2.579 inches (65.5 mm) ensures proper alignment on the hub. This rotor does not include an ABS tone ring or bearings, so it is intended for vehicles where these components are either not required or are reused from the original assembly.\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 rotors designed to meet OEM specifications for fit, form, and function. This product line focuses on providing solid rotors with smooth surfaces that deliver consistent braking performance for daily driving applications. The 121.62109 rotor is part of this line, ensuring compatibility and reliable operation for Chevrolet and Saturn Astra models requiring standard replacement rotors.\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\u003eAddressing rotor thickness below manufacturer discard limits\u003c\/li\u003e\n\u003cli\u003eResolving uneven brake pad wear due to rotor surface imperfections\u003c\/li\u003e\n\u003cli\u003eImproving braking consistency on Chevrolet Astra and Saturn Astra vehicles\u003c\/li\u003e\n\u003cli\u003eRestoring proper rotor dimensions for safe and effective braking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor part number 121.62109 matches vehicle specifications before installation\u003c\/li\u003e\n\u003cli\u003eInspect hub and mounting surfaces for cleanliness and damage prior to rotor installation\u003c\/li\u003e\n\u003cli\u003eEnsure proper torque on lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eReplace brake pads when installing new rotors to optimize braking performance\u003c\/li\u003e\n\u003cli\u003eCheck rotor thickness with a micrometer to confirm it meets nominal thickness and discard limits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for quality and durability. While specific warranty details for part number 121.62109 should be confirmed with the supplier, Centric generally provides coverage against defects in materials and workmanship. This rotor is engineered to deliver consistent braking performance and long service life when installed and maintained according to vehicle manufacturer guidelines.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":44568139595957,"sku":"BKNJ-121.62109","price":34.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12162109_Fro.jpg?v=1774638700","url":"https:\/\/www.partcatalog.com\/products\/centric-121-62109-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}