Stoptech 128.44158R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.44158R) are engineered for reliable braking performance on select Lexus and Toyota models. Designed with vented construction and cross-drilled surfaces, these rotors provide enhanced heat dissipation and consistent stopping power for vehicles like the Lexus RX350 and Toyota Highlander.

• Cross-drilled surface for improved heat dissipation and reduced brake fade
• Vented rotor design to maintain optimal operating temperatures
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better rotor alignment and reduced stress
• Compatible with Lexus and Toyota models including Highlander, NX200t, NX300, NX300h, RX350, RX450h, and Sienna
• Disc dimensions: 12.913 inches (328 mm) outside diameter, 1.102 inches (28 mm) nominal thickness
• Mounting bolt pattern: 5 lug holes with 4.5 inch (114.3 mm) bolt circle diameter

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to offer enhanced braking performance through advanced rotor surface technology. The cross-drilled pattern improves ventilation and helps dissipate heat more efficiently during aggressive driving or heavy braking conditions. These rotors feature a vented design with straight vanes to promote airflow and reduce the risk of brake fade. The coated hat finish provides corrosion resistance, helping maintain rotor integrity over time. This product line is suitable for drivers seeking a balance between daily driving reliability and improved braking response.

Technical Specifications and Features

These rotors have a nominal thickness of 1.102 inches (28 mm) and a discard thickness of 0.984 inches (25 mm), ensuring they meet OEM standards for replacement. The overall height measures 1.945 inches (49.4 mm), and the center hole diameter is 2.441 inches (62 mm). The rotors are vented with straight vanes and include two miscellaneous holes for mounting or alignment purposes. Weighing approximately 20.8 lbs (9.45 kg), they maintain a balance between durability and weight. Note that these rotors do not include ABS tone rings or bearings.

Compatible Vehicles and Applications

• Designed specifically for Lexus models: RX350, RX450h, NX200t, NX300, NX300h
• Compatible with Toyota Highlander and Sienna models
• Ideal for drivers requiring OEM-quality replacement rotors with enhanced cooling features
• Suitable for both daily driving and moderate performance use

Installation Notes and Tips

• Ensure rotor discard thickness is checked before installation to confirm suitability
• Use proper torque specifications for the 5-lug mounting pattern with 4.5 inch bolt circle diameter
• Inspect brake pads and calipers during rotor replacement for optimal braking system performance
• Floating disc mounting requires correct alignment to prevent uneven wear
• Coated hat finish should be handled carefully to avoid damage during installation

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The vented and cross-drilled design supports consistent braking performance under various conditions. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed quality assurance. It is recommended to consult the product packaging or StopTech directly for warranty information related to part number 128.44158R.