Stoptech 127.33107L 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 127.33107L) are engineered for Audi A4, A4 Quattro, A6, A6 Quattro, A8, and A8 Quattro models. Designed to enhance braking performance, these rotors feature a vented, cross-drilled, and slotted surface to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Vented rotor design with straight vane style for enhanced cooling
• Coated vented hat finish to resist corrosion
• Floating disc mounting for better rotor alignment and reduced warping
• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, A8, and A8 Quattro
• Part Number: 127.33107L

Detailed Product Features and Specifications

This StopTech rotor has an outside diameter of 312 mm (12.283 inches) and an overall height of 46.3 mm (1.823 inches). The nominal thickness is 24.9 mm (0.980 inches), with a discard thickness of 23.0 mm (0.906 inches), ensuring a clear service life indicator. The rotor includes five stud/lug holes with a diameter of 15.5 mm (0.610 inches) and a mounting bolt hole circle diameter of 112 mm (4.409 inches). The center hole diameter measures 68 mm (2.677 inches). The rotor is vented with straight vanes to optimize airflow and cooling during braking. The vented hat design is coated to protect against rust and corrosion, extending the rotor's durability. This rotor does not include ABS tone rings or bearings.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance for sport and performance vehicles. The combination of cross-drilled holes and precision slots helps to reduce brake fade by improving heat dissipation and removing debris from the pad surface. This product line is ideal for drivers seeking improved brake response and consistent performance on Audi models such as the A4, A6, and A8 series.

Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves wet weather braking by channeling water away from the rotor surface
• Minimizes brake dust buildup for cleaner braking components
• Helps prevent rotor warping caused by excessive heat
• Restores braking performance on Audi A4, A6, and A8 models with worn or damaged rotors

Installation Notes and Tips

• Ensure compatibility with your specific Audi model and verify part number 127.33107L before installation
• Inspect brake pads and replace if worn to maximize rotor performance
• Follow manufacturer torque specifications for mounting bolts
• Check for proper rotor alignment and clearance during installation
• Bleed brake system after installation to maintain optimal brake feel

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The vented and coated design ensures durability and resistance to corrosion. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.