Stoptech 128.40046R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.40046R) are engineered for Acura and Honda vehicles, including popular models like the Accord, CL, MDX, Odyssey, Pilot, TL, and TSX. Designed to enhance braking performance, these rotors feature a vented, cross-drilled surface to improve heat dissipation and reduce brake fade under demanding conditions.

• Cross-drilled surface for improved heat dissipation
• Vented rotor design to maintain optimal braking temperatures
• Coated hat finish for corrosion resistance
• Floating disc mounting for better rotor alignment
• Compatible with Acura and Honda models including Accord, MDX, and Pilot
• Part Number: 128.40046R

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

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor design. The cross-drilled surface pattern helps to evacuate gases and debris, while the vented construction promotes consistent cooling. This product line is tailored for drivers seeking reliable stopping power and improved brake pedal feel on Acura and Honda vehicles.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 1.102 inches (28.000 mm) and a discard thickness of 1.024 inches (26.000 mm), ensuring durability and longevity. The rotor has an outside diameter of 11.811 inches (300.000 mm) and an overall height of 1.858 inches (47.200 mm). The hat is coated to resist corrosion, extending the rotor’s service life. It includes a floating disc mounting system and a straight vane style for efficient airflow and heat management. The rotor has five stud/lug holes with a diameter of 0.496 inches (12.600 mm) and a mounting bolt hole circle diameter of 4.500 inches (114.300 mm). This rotor weighs approximately 18.76 lbs (8.53 kgs) and does not include ABS tone rings or bearings.

Applications and Problem Solving

• Improves brake cooling to reduce fade during heavy braking
• Enhances stopping power for Acura and Honda models like the TL and TSX
• Prevents rotor warping caused by excessive heat buildup
• Reduces brake dust and debris accumulation on the rotor surface
• Maintains consistent brake pedal feel under varied driving conditions

Installation Notes and Tips

• Ensure compatibility with your specific Acura or Honda model before installation
• Inspect brake pads and calipers for wear when replacing rotors
• Follow manufacturer torque specifications for mounting bolts
• Check rotor thickness and discard limits to confirm replacement necessity
• Properly bed-in new rotors and pads to optimize performance

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet strict quality standards for fit, finish, and performance. 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. Always consult the product documentation or manufacturer for exact warranty terms.