Stoptech 127.62099L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.62099L) are engineered for reliable braking performance on select Buick, Cadillac, and Chevrolet vehicles. Designed specifically for models like the Buick LaCrosse, Cadillac DTS, and Chevrolet Impala, these rotors offer enhanced heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design to reduce brake fade during extended use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with 5-lug wheel setups with a 115 mm bolt circle diameter

Product Features and Specifications

This disc brake rotor features a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.126 inches (28.600 mm), ensuring precise wear limits for safe operation. The rotor’s outside diameter measures 12.717 inches (323.000 mm), with an overall height of 2.059 inches (52.300 mm). It includes a 2.783 inch (70.700 mm) center hole diameter and a stud/lug hole diameter of 0.563 inches (14.300 mm) across five holes. The rotor is vented with straight vanes to optimize airflow and cooling. The hat is coated to protect against rust and corrosion, maintaining structural integrity over time. This rotor weighs approximately 22.5 lbs (10.23 kgs) and does not include bearings or an ABS tone ring.

About StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat dissipation and debris removal. The combination of cross-drilled holes and precision slots helps maintain consistent pad contact and reduces the risk of brake fade under demanding driving conditions. This product line is suitable for drivers seeking a balance between everyday usability and sportier braking response on compatible Buick, Cadillac, and Chevrolet models.

Applications and Problem Solving

• Reduces brake fade during prolonged or aggressive braking
• Improves wet weather braking by channeling water away from the rotor surface
• Minimizes brake dust buildup for cleaner rotor and pad surfaces
• Helps prevent glazing of brake pads for consistent stopping power
• Addresses corrosion issues with coated hat finish for longer rotor life

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make and model: Buick Allure, Cadillac DTS, Chevrolet Impala, Impala Limited, LaCrosse, and Lucerne
• Check rotor thickness before installation to confirm it meets minimum discard thickness
• Use proper torque specifications for the 5-lug mounting pattern with a 115 mm bolt circle diameter
• Inspect brake pads and replace if worn to optimize rotor performance
• Follow manufacturer guidelines for bedding-in new rotors and pads

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The rotors undergo rigorous quality control processes to maintain consistent dimensions and material integrity. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.