Stoptech 126.33102SR Disc Brake Rotor - Rear Right

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.33102SR) are engineered for Audi A8 Quattro and Volkswagen Phaeton models. Designed to enhance braking performance, these rotors feature a vented, slotted surface and a coated hat finish to improve heat dissipation and corrosion resistance.

• Compatible with Audi A8 Quattro and Volkswagen Phaeton
• Part Number: 126.33102SR
• Vented disc design with straight vane style for efficient cooling
• Slotted surface type to reduce brake fade and improve pad bite
• Coated hat finish for corrosion protection
• Floating disc mounting for better thermal expansion management
• Outside diameter: 12.201 inches (309.9 mm)
• Nominal thickness: 0.858 inches (21.8 mm), discard thickness: 0.787 inches (20.0 mm)
• 5 lug holes with 0.602 inch (15.3 mm) diameter
• Overall height: 1.661 inches (42.2 mm)
• Weight approximately 15.5 lbs (7.05 kgs)

About StopTech Sport Slotted Disc Brake Rotors

The StopTech Sport Slotted Disc Brake Rotors line is designed to provide improved braking performance for performance-oriented and luxury vehicles. The slotted rotor surface helps maintain clean pad contact by channeling away dust and gases, while the vented design with straight vanes enhances heat dissipation during demanding driving conditions. The coated hat finish adds durability by protecting against rust and corrosion, making these rotors suitable for both daily driving and spirited use on Audi A8 Quattro and Volkswagen Phaeton models.

Technical Details and Specifications

These rotors feature a floating disc mounting system that allows for controlled thermal expansion, reducing the risk of warping under high heat. The vented rotor design with straight vanes promotes consistent airflow to maintain optimal operating temperatures. The rotor’s nominal thickness is 0.858 inches (21.8 mm), with a discard thickness of 0.787 inches (20.0 mm), ensuring a long service life before replacement is necessary. The outside diameter measures 12.201 inches (309.9 mm), and the overall height is 1.661 inches (42.2 mm). The rotor includes five lug holes with a diameter of 0.602 inches (15.3 mm) and a mounting bolt hole circle diameter of 4.421 inches (112.3 mm). Note that this rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Improves braking response and reduces fade on Audi A8 Quattro and Volkswagen Phaeton
• Helps prevent rotor warping under high thermal loads
• Reduces brake dust accumulation and pad glazing with slotted surface
• Enhances rotor durability with coated hat finish to resist corrosion
• Maintains consistent braking performance during aggressive driving

Installation Notes and Tips

Ensure compatibility with your specific Audi A8 Quattro or Volkswagen Phaeton model before installation. The rotor is designed for floating disc mounting and requires proper torque specifications on lug nuts to avoid distortion. Since bearings and ABS tone rings are not included, reuse existing components or source separately if needed. Inspect brake pads and calipers during installation to ensure optimal performance and safety.

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides additional corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.