Stoptech 126.33144SL Disc Brake Rotor - Front Left

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.33144SL) are engineered for enhanced braking performance on select Audi and Volkswagen models. Designed with precision, these vented, slotted rotors provide improved heat dissipation and consistent stopping power for vehicles like the Audi A3, Volkswagen Golf, and Tiguan.

• Vented disc brake rotor with pillar vane design for efficient cooling
• Slotted surface type to reduce brake fade and improve pad bite
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with 5-lug wheel setups on Audi and Volkswagen models

Detailed Product Features and Specifications

The StopTech Sport Slotted Disc Brake Rotors feature a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.063 inches (27.000 mm), ensuring reliable service life and clear replacement guidelines. The rotor's outside diameter measures 13.386 inches (340.000 mm), with an overall height of 1.961 inches (49.800 mm). The hat section is coated to protect against rust and corrosion, maintaining structural integrity over time. These rotors utilize a floating disc mounting system and a pillar vane style for optimal heat dissipation during aggressive driving or heavy braking conditions. The center hole diameter is 2.559 inches (65.000 mm), and the mounting bolt hole circle diameter is 4.409 inches (112.000 mm), designed for vehicles with 5 lug holes measuring 0.598 inches (15.200 mm) in diameter.

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor design. The slotted surface improves pad bite and helps evacuate gases and debris, while the vented construction with pillar vanes promotes superior cooling. This product line is tailored for drivers seeking improved brake response and durability on performance-oriented Audi and Volkswagen vehicles.

Compatible Vehicles and Applications

• Compatible with Audi A3, A3 Quattro, S3, and Q3 models
• Fits Volkswagen Golf, Golf R, GTI, Jetta, Tiguan, Arteon, and CC
• Ideal for drivers requiring upgraded rotors for spirited driving or replacement
• Designed for vehicles with 5-lug wheel configurations

Common Issues Addressed by This Rotor

• Brake fade during high-performance or repeated braking
• Uneven rotor wear causing vibration or noise
• Corrosion and rust buildup on rotor hats
• Overheating due to insufficient rotor cooling
• Reduced braking efficiency from glazed or contaminated rotors

Installation Notes and Tips

Ensure the rotor discard thickness of 1.063 inches (27.000 mm) is not exceeded before replacement. Clean the hub surface thoroughly before installation to prevent runout. Use proper torque specifications for the 5 lug bolts and verify compatibility with your vehicle’s ABS system, as these rotors do not include an ABS tone ring. The floating disc mounting requires careful alignment to maintain optimal rotor performance.

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 corrosion resistance to extend rotor life. While specific warranty details are not provided, StopTech products typically undergo rigorous quality control to ensure durability and consistent braking performance.