Stoptech 126.62099SL Disc Brake Rotor - Front Left

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.62099SL) are engineered for reliable braking performance on select Buick, Cadillac, and Chevrolet models. Designed with precision, these rotors provide consistent stopping power and enhanced heat dissipation for vehicles like the Buick LaCrosse and Chevrolet Impala.

• Vented disc brake rotor with slotted surface for improved heat management
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting design with straight vane style for efficient cooling
• Compatible with 5-lug wheel setups, 5 stud/lug holes with 0.563 inch diameter
• Overall diameter of 12.717 inches (323 mm) and nominal thickness of 1.181 inches (30 mm)

Detailed Product Features and Specifications

The StopTech Sport Slotted Disc Brake Rotor 126.62099SL features a vented rotor design with straight vanes that promote airflow and reduce brake fade during extended use. The slotted surface enhances pad bite and helps evacuate gases and debris from the braking surface. The rotor’s coated hat finish provides corrosion resistance, maintaining structural integrity over time. With an overall height of 2.059 inches (52.3 mm) and a center hole diameter of 2.783 inches (70.7 mm), this rotor fits specific applications requiring a 115 mm bolt circle diameter and 5 lug holes. The floating disc mounting and three miscellaneous holes contribute to balanced performance and ease of installation. Weighing approximately 22.5 lbs (10.23 kg), this rotor balances durability and weight for effective braking.

About StopTech Sport Slotted Disc Brake Rotors

The StopTech Sport Slotted Disc Brake Rotors line is designed to meet the demands of drivers seeking enhanced braking performance without compromising reliability. This product line focuses on rotors with slotted surfaces and vented designs to improve heat dissipation and maintain consistent braking under various driving conditions. The 126.62099SL rotor is part of this line, offering a coated finish and floating mounting to optimize both durability and performance for compatible Buick, Cadillac, and Chevrolet vehicles.

Compatible Vehicles and Applications

• Buick Allure, LaCrosse, Lucerne
• Cadillac DTS
• Chevrolet Impala, Impala Limited

This rotor is specifically designed for these models, ensuring proper fitment and performance when replacing worn or damaged rotors.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup
• Uneven rotor wear leading to vibration or noise
• Corrosion and rust on rotor surfaces
• Reduced braking efficiency due to glazed or damaged rotors
• Compatibility issues with OEM brake components on specified models

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 1.126 inches (28.6 mm) before installation. Clean the hub surface and mounting points to prevent runout. Use proper torque specifications on the 5 lug nuts with 0.563 inch diameter holes. Since bearings and ABS tone rings are not included, verify compatibility with existing components. The floating disc mounting requires careful alignment to avoid uneven wear.

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated finish helps protect against corrosion, extending rotor life. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed quality assurance to ensure reliable performance on Buick, Cadillac, and Chevrolet vehicles.