Stoptech 127.33131L 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 127.33131L) are engineered for enhanced braking performance on select Audi and Volkswagen models. Designed with a solid rotor construction and a coated hat finish, these rotors provide reliable stopping power and durability for vehicles such as the Audi A3, Volkswagen Golf, and Passat.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad bite
• Solid rotor design with a coated hat finish to resist corrosion
• Nominal thickness of 0.394 inches (10.000 mm) with discard thickness at 0.315 inches (8.000 mm)
• Overall diameter of 10.709 inches (272.000 mm) for precise fitment
• Floating disc mounting and 5 lug holes with 0.602 inch (15.300 mm) diameter

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering rotors that combine cross-drilled holes and slots to enhance brake pad contact and reduce heat buildup. This design helps maintain consistent braking performance under demanding conditions. The coated hat finish adds corrosion resistance, extending rotor life, especially in environments prone to moisture and road salt. This product line is suitable for drivers seeking a balance between daily driving reliability and sporty braking response.

Technical Specifications and Fitment Details

These disc brake rotors are compatible with a range of Audi and Volkswagen vehicles, including the Audi A3, A3 Quattro, and A3 Sportback e-tron, as well as Volkswagen models like the Beetle, Golf, GTI, Jetta, Passat, and Taos. The rotor features a solid design with a 5-lug bolt pattern and a mounting bolt hole circle diameter of 4.409 inches (112.000 mm). The center hole diameter measures 2.559 inches (65.000 mm), ensuring proper alignment and fitment. Weighing approximately 8.55 lbs (3.89 kgs), these rotors maintain a balance between strength and weight for effective braking performance.

Common Applications and Problem Solving

• Improves brake cooling and reduces fade during spirited driving or heavy braking
• Minimizes brake pad glazing and uneven wear through slotted and drilled surface
• Resists corrosion with coated hat finish for longer service life
• Restores proper rotor thickness and braking efficiency when replacing worn or warped rotors
• Compatible upgrade for Audi and Volkswagen models requiring solid disc brake rotors

Installation Notes and Tips

• Ensure rotor discard thickness of 0.315 inches (8.000 mm) is not exceeded during use
• Verify compatibility with vehicle make and model before installation
• Use proper torque specifications for the 5 lug nuts to avoid rotor warping
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Floating disc mounting requires correct alignment to prevent noise and vibration

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides additional protection against corrosion, contributing to the rotor's durability. While specific warranty details are not provided here, StopTech products typically come with a limited warranty covering defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.