Stoptech 126.33129SL Disc Brake Rotor - Rear Left

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.33129SL) are engineered for Audi and Volkswagen vehicles, including popular models like the A3, GTI, and Tiguan. These rotors provide reliable braking performance with a slotted surface design that enhances heat dissipation and brake pad bite.

• Compatible with Audi A3, A3 Quattro, and Volkswagen GTI, Jetta, Passat, Tiguan, and more
• Part Number: 126.33129SL
• Slotted solid disc brake rotor for improved braking response
• Coated hat finish for corrosion resistance
• Overall diameter of 282 mm (11.102 inches) and nominal thickness of 12 mm (0.472 inches)
• Floating disc mounting design with 5 stud/lug holes

Product Line Details: StopTech Sport Slotted Disc Brake Rotors

The StopTech Sport Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through precision-engineered slotted rotors. The slotted surface helps to evacuate gases, dust, and water from the braking surface, which improves pad contact and reduces brake fade. This product line is designed for drivers seeking consistent braking performance under demanding conditions, making it suitable for street and light track use on compatible Audi and Volkswagen models.

Technical Specifications and Features

This rotor features a solid disc design with a coated hat finish to resist corrosion and extend service life. The rotor measures 282 mm (11.102 inches) in outside diameter and has a nominal thickness of 12 mm (0.472 inches), with a discard thickness of 10 mm (0.394 inches). The overall height is 48.2 mm (1.898 inches), and the center hole diameter is 65 mm (2.559 inches). It includes a 5-hole mounting bolt pattern with a 112 mm (4.409 inches) bolt circle diameter and 5 stud/lug holes sized at 15.3 mm (0.602 inches). The rotor weighs approximately 4.84 kg (10.65 lbs). Note that this rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Improves braking performance on Audi A3, Volkswagen GTI, Passat, and Tiguan models
• Reduces brake fade during aggressive driving or extended braking
• Enhances pad bite and braking consistency with slotted surface
• Helps prevent rotor warping and overheating
• Provides corrosion resistance with coated hat finish

Installation Notes and Tips

• Ensure compatibility with your specific Audi or Volkswagen model before installation
• Check rotor thickness and discard thickness to confirm replacement timing
• Use proper torque specifications for the 5-lug mounting pattern
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Professional installation is recommended for safety and accuracy

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. The coated hat finish provides additional protection against corrosion, extending rotor life. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed warranties to ensure customer confidence and product reliability.