Stoptech 127.33113L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.33113L) are engineered for enhanced braking performance on select Audi and Volkswagen models. Designed with a vented, slotted, and cross-drilled surface, these rotors improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design to reduce brake fade
• Coated hat finish for corrosion resistance
• Floating disc mounting for better rotor alignment
• Compatible with multiple Audi and Volkswagen models including A3, Golf R, Passat, and Tiguan

Detailed Product Features and Specifications

This disc brake rotor features a nominal thickness of 0.862 inches (21.9 mm) and a discard thickness of 0.787 inches (20.0 mm), ensuring a reliable service life before replacement is necessary. The rotor has an overall height of 1.906 inches (48.4 mm) and an outside diameter of 12.205 inches (310 mm), matching OEM specifications for proper fitment. The rotor is vented with straight vanes to optimize airflow and cooling during braking. The hat section is coated to resist corrosion, extending the rotor's durability. It includes five stud/lug holes with a diameter of 0.602 inches (15.3 mm) and a mounting bolt hole circle diameter of 4.409 inches (112 mm). The center hole diameter measures 2.559 inches (65 mm), designed for precise hub fitment. This rotor does not include ABS tone rings or bearings.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Product Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and pad bite. The combination of cross-drilled holes and slots helps evacuate gases and debris, reducing brake fade and maintaining consistent pedal feel. This product line is suitable for drivers seeking a balance between daily driving reliability and spirited driving capability on vehicles such as the Audi A3 Quattro and Volkswagen Golf R.

Compatible Vehicles and Common Applications

• Audi A3, A3 Quattro, RS3, S3, TT RS Quattro, TTS Quattro
• Volkswagen Golf, Golf R, GTI, Passat, Passat CC
• Volkswagen Atlas, Atlas Cross Sport, Tiguan, Teramont
• Volkswagen CC, R32, RS Q3, Q3

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup during aggressive driving
• Uneven pad wear due to poor rotor surface design
• Corrosion and rust on rotor hats reducing longevity
• Reduced braking performance from gas and debris accumulation
• Vibration or noise caused by rotor warping or glazing

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface with brake cleaner to remove any protective coatings
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check compatibility with ABS systems as this rotor does not include tone rings
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The rotors undergo rigorous quality control to ensure durability and consistent braking performance. 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 the manufacturer for exact warranty terms.