Stoptech 128.44147L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.44147L is engineered for reliable braking performance on select Lexus, Scion, and Toyota vehicles. Designed to meet the demands of daily driving and spirited road use, this rotor offers enhanced heat dissipation and consistent stopping power.

• Cross-drilled surface for improved heat and gas dissipation
• Vented rotor design to reduce brake fade
• Coated hat finish for corrosion resistance
• Floating disc mounting for better thermal expansion
• Compatible with Lexus HS250h, Scion xB, Toyota Prius V, and RAV4 models
• Precision fit with 5 lug holes and 114.3 mm bolt circle diameter

Detailed Product Features and Specifications

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.44147L features a vented rotor design with straight vanes that promote efficient airflow and cooling during braking. The cross-drilled surface helps to dissipate heat and gases generated under heavy braking, reducing the risk of brake fade. The rotor has a nominal thickness of 0.980 inches (24.9 mm) and a discard thickness of 0.866 inches (22.0 mm), ensuring it meets OEM specifications for safe operation. The overall diameter measures 10.827 inches (275 mm), with an overall height of 1.827 inches (46.4 mm). The rotor’s hat is coated to resist corrosion, extending the service life of the part. It mounts using a floating disc system and includes two miscellaneous holes for additional mounting stability. The center hole diameter is 2.441 inches (62 mm), and it features five lug holes with a diameter of 0.571 inches (14.5 mm).

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and durability. Cross-drilled rotors like the 128.44147L help maintain consistent brake feel by allowing heat and gases to escape more efficiently than standard rotors. This product line is suitable for drivers seeking a balance between everyday usability and performance-oriented braking on compatible Lexus, Scion, and Toyota vehicles.

Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves heat dissipation to maintain consistent brake performance
• Minimizes corrosion with coated hat finish for longer rotor life
• Addresses uneven brake pad wear caused by overheating
• Compatible replacement for worn or damaged rotors on Lexus HS250h, Scion xB, Toyota Prius V, and RAV4

Installation Notes and Tips

• Ensure rotor discard thickness is not exceeded before installation
• Verify compatibility with vehicle make and model using part number 128.44147L
• Use proper torque specifications for the 5 lug bolts on the 114.3 mm bolt circle
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Floating disc mounting requires correct alignment to prevent noise or vibration

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. Always consult the product documentation or manufacturer for exact warranty terms.