Stoptech 128.33106L Disc Brake Rotor - Rear Left

Overview of StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.33106L) are engineered for Audi A4 and A4 Quattro models. Designed to provide consistent braking performance, these rotors feature a solid construction with cross-drilled surface technology to enhance heat dissipation and reduce brake fade.

• Compatible with Audi A4 and A4 Quattro
• Part Number: 128.33106L
• Cross-drilled solid disc brake rotor design
• Coated hat finish for corrosion resistance
• Outside diameter: 245 mm (9.646 inches)
• Nominal thickness: 10.000 mm (0.394 inches)
• Discard thickness: 8.000 mm (0.315 inches)
• Overall height: 39.800 mm (1.567 inches)
• Floating disc mounting with 5 lug holes (0.610 inch diameter)
• Weight approximately 8.2 lbs (3.73 kgs)

Detailed Product Description

This StopTech Sport Cross-Drilled Disc Brake Rotor is a solid rotor designed specifically for the Audi A4 and A4 Quattro. The cross-drilled surface type improves ventilation and helps dissipate heat generated during braking, which can reduce the risk of brake fade under demanding conditions. The rotor features a coated hat finish to protect against corrosion and extend service life. With a nominal thickness of 10 mm and a discard thickness of 8 mm, this rotor maintains structural integrity and performance throughout its lifespan. The rotor’s outside diameter measures 245 mm, and it mounts using a floating disc system with a 112 mm bolt circle diameter and five lug holes, ensuring precise fitment and reliable operation.

StopTech Sport Cross-Drilled Disc Brake Rotors Product Line

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on delivering enhanced braking performance through improved heat management and durability. This product line incorporates cross-drilled rotors designed to optimize airflow and cooling, which is critical for maintaining consistent brake response during spirited driving or daily use. The solid rotor design balances strength and weight, making it suitable for Audi A4 and A4 Quattro vehicles requiring reliable replacement rotors that meet OEM specifications.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A4 and A4 Quattro
• Improves heat dissipation to reduce brake fade during extended braking
• Addresses rotor corrosion issues with coated hat finish
• Restores braking performance affected by rotor thickness below discard limits
• Provides consistent braking feel with precise fitment and mounting

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (8.000 mm) before installation
• Verify compatibility with Audi A4 or A4 Quattro models using part number 128.33106L
• Use proper torque specifications for the 5 lug bolts (0.610 inch diameter)
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean rotor surface before installation to remove any protective coatings or debris

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. It is recommended to consult the product documentation or manufacturer for exact warranty terms.