{"product_id":"stoptech-128-66045l-disc-brake-rotor","title":"Stoptech 128.66045L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eStopTech Sport Cross-Drilled Disc Brake Rotors Overview\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled Disc Brake Rotor 128.66045L is engineered for reliable braking performance on select GM trucks and SUVs. Designed to meet the demands of vehicles like the Chevrolet Silverado 1500 and Cadillac Escalade, this rotor offers enhanced heat dissipation and consistent stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCross-drilled surface for improved heat and gas dissipation\u003c\/li\u003e\n\u003cli\u003eVented rotor design with straight vane style for efficient cooling\u003c\/li\u003e\n\u003cli\u003eCoated hat finish to resist corrosion and extend rotor life\u003c\/li\u003e\n\u003cli\u003eCompatible with 6-lug wheel configurations and 5.5-inch bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 1.181 inches (30.000 mm) with discard thickness at 1.122 inches (28.500 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 12.980 inches (329.700 mm) and overall height of 3.760 inches (95.500 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis StopTech Sport Cross-Drilled Disc Brake Rotor (part number 128.66045L) is specifically designed for use on a range of GM vehicles including the Cadillac Escalade, Chevrolet Tahoe, GMC Sierra 1500, and others. The rotor features a vented design with straight vanes that promote airflow to reduce heat buildup during braking. The cross-drilled surface helps to evacuate gases and water, improving brake pad contact and reducing fade under demanding conditions.\u003c\/p\u003e\u003cp\u003eThe rotor’s coated hat finish provides corrosion resistance, which is essential for maintaining performance and appearance over time. With a 6-lug hole pattern and a mounting bolt hole circle diameter of 5.5 inches (139.700 mm), this rotor fits securely on compatible hubs. The center hole diameter measures 3.094 inches (78.600 mm), ensuring proper alignment during installation.\u003c\/p\u003e\u003ch2\u003eAbout StopTech Sport Cross-Drilled Disc Brake Rotors\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to offer enhanced braking performance for trucks and SUVs that require reliable heat management and durability. Cross-drilled rotors in this line improve cooling efficiency and help maintain consistent brake pad contact, which is critical for vehicles like the GMC Yukon XL 1500 and Chevrolet Suburban 1500 that often carry heavy loads or tow trailers.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during extended or heavy braking\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to prevent rotor warping\u003c\/li\u003e\n\u003cli\u003eMinimizes water and gas buildup on rotor surface for consistent braking\u003c\/li\u003e\n\u003cli\u003eAddresses corrosion issues with coated hat finish\u003c\/li\u003e\n\u003cli\u003eCompatible with ABS systems that do not require tone rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor discard thickness of 1.122 inches (28.500 mm) is not exceeded before replacement\u003c\/li\u003e\n\u003cli\u003eVerify 6-lug wheel compatibility and bolt circle diameter of 5.5 inches (139.700 mm)\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces and check hub for damage before installation\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor distortion\u003c\/li\u003e\n\u003cli\u003eBrake pads should be inspected and replaced if worn to optimize rotor performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. Each rotor undergoes strict quality control to ensure durability and performance. While specific warranty details may vary, StopTech products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.\u003c\/p\u003e","brand":"Stoptech","offers":[{"title":"Default Title","offer_id":44573376086197,"sku":"FLMN-128.66045L","price":206.21,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12866045L_Generic.jpg?v=1774639476","url":"https:\/\/www.partcatalog.com\/products\/stoptech-128-66045l-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}