Stoptech 128.40071L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.40071L is engineered for Acura and Honda vehicles, including the MDX, Pilot, RLX, and ZDX models. Designed to enhance braking performance, this vented rotor features a coated hat finish and cross-drilled surface for improved heat dissipation and consistent stopping power.

• Cross-drilled surface type for enhanced cooling and reduced brake fade
• Vented rotor design to improve airflow and heat management
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion and reduced warping
• Compatible with Acura MDX, Honda Pilot, RLX, and ZDX models
• Part number 128.40071L for precise fitment

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to provide reliable braking performance under demanding conditions. Featuring cross-drilled rotors with vented construction, this product line focuses on improving heat dissipation and reducing brake fade. The coated hat finish helps protect against rust and corrosion, making these rotors suitable for both daily driving and spirited use on Acura and Honda vehicles.

Technical Specifications and Features

This disc brake rotor has a nominal thickness of 1.102 inches (28.000 mm) and a discard thickness of 1.024 inches (26.000 mm), ensuring durability and safety throughout its service life. The rotor’s outside diameter measures 12.992 inches (330.000 mm), with an overall height of 1.862 inches (47.300 mm). It includes a 5-lug stud pattern with a 120.000 mm bolt circle diameter and 0.571 inch (14.500 mm) stud hole diameter. The rotor features a floating disc mounting system and straight vane style for efficient heat dissipation. Note that this rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves heat dissipation to prevent rotor warping
• Minimizes corrosion with coated hat finish for longer service life
• Enhances braking consistency for Acura MDX, Honda Pilot, RLX, and ZDX
• Replaces worn or damaged rotors to restore braking performance

Installation Notes and Tips

• Ensure compatibility with your specific Acura or Honda model before installation
• Inspect brake pads and hardware for wear and replace if necessary
• Follow manufacturer torque specifications for mounting bolts
• Check rotor thickness and discard limits during installation
• Perform a proper bed-in procedure after installation for optimal performance

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 additional corrosion resistance, contributing to the rotor’s longevity. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.