Stoptech 128.33057L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.33057L is engineered for reliable braking performance on select Audi and Volkswagen models. Designed with precision, this rotor offers enhanced heat dissipation and consistent stopping power for vehicles like the Audi A3 and Volkswagen Golf.

• Cross-drilled solid rotor surface for improved heat management
• Coated hat finish to resist corrosion
• Compatible with Audi and Volkswagen models including A1, A3, Beetle, Golf, Jetta, Polo, TT, and Vento
• Nominal thickness of 0.354 inches (9.000 mm) with discard thickness at 0.276 inches (7.000 mm)
• Overall diameter of 9.055 inches (230.000 mm) and height of 1.594 inches (40.500 mm)
• Floating disc mounting with 5 lug holes sized 0.620 inches (15.750 mm)

Product Line Details: StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on performance-oriented rotors that feature cross-drilled surfaces to aid in heat dissipation and brake pad cleaning. This design helps maintain consistent braking under demanding conditions. The 128.33057L rotor is a solid type with a coated hat finish, providing durability and corrosion resistance suitable for daily driving and spirited use on compatible Audi and Volkswagen vehicles.

Technical Specifications and Features

This disc brake rotor has a nominal thickness of 0.354 inches (9.000 mm) and a discard thickness of 0.276 inches (7.000 mm), ensuring a clear service life indicator. The rotor’s outside diameter measures 9.055 inches (230.000 mm), with an overall height of 1.594 inches (40.500 mm). It features a floating disc mounting system and a 5-lug hole pattern with a bolt circle diameter of 3.937 inches (100.000 mm). The center hole diameter is 2.559 inches (65.000 mm), and the rotor weighs approximately 6.4 lbs (2.9 kgs). The cross-drilled surface type improves ventilation and helps reduce brake fade during extended use.

Compatible Vehicles and Applications

• Designed for Audi models: A1, A3, TT
• Compatible with Volkswagen models: Beetle, Beetle Cabrio, Clasico, Golf, Golf City, Jetta, Jetta City, Polo, Vento
• Ideal for drivers seeking reliable replacement rotors matching factory specifications

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup
• Uneven brake pad wear due to poor rotor surface design
• Corrosion and rust on rotor hats affecting longevity
• Vibration or noise from warped or damaged rotors
• Reduced braking performance on stock rotors under demanding conditions

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface to remove any protective coatings or debris
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check compatibility with ABS systems as this rotor does not include an ABS tone ring
• Inspect brake pads and calipers during rotor replacement for optimal performance

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit and function. The 128.33057L rotor undergoes rigorous quality control to ensure durability and consistent braking performance. Warranty details should be confirmed with the original product documentation or authorized distributors.