Stoptech 128.42041L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.42041L is engineered for reliable braking performance on select Nissan and INFINITI vehicles. Designed specifically for models like the Nissan 240SX, Nissan Sentra, and INFINITI G20, 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 rotor alignment
• Compatible with Nissan 240SX, Sentra, and INFINITI G20
• Part number 128.42041L for precise fitment

Product Features and Specifications

This disc brake rotor features a vented design with straight vanes that promote airflow and cooling during braking. The cross-drilled surface helps to dissipate heat and gases generated under heavy braking conditions, reducing the risk of brake fade. The rotor has a coated hat finish to protect against rust and corrosion, extending its service life. With an outside diameter of 10.118 inches (257 mm) and an overall height of 1.929 inches (49 mm), it fits vehicles requiring a 4-lug, 114.3 mm bolt circle diameter. The rotor’s nominal thickness is 0.866 inches (22 mm), with a discard thickness of 0.787 inches (20 mm), ensuring safe replacement intervals. This rotor does not include ABS tone rings or bearings and uses a floating disc mounting system for improved performance.

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to provide enhanced braking performance for street and light track use. The cross-drilled surface pattern improves heat dissipation and helps maintain consistent brake pad contact. These rotors are vented with straight vanes to optimize airflow and cooling, which is critical for vehicles like the Nissan 240SX, Sentra, and INFINITI G20 that may experience spirited driving conditions. The coated hat finish adds durability by resisting corrosion, making these rotors a practical upgrade for maintaining braking efficiency over time.

Common Applications and Problem Solving

• Reduces brake fade during aggressive or repeated braking
• Improves heat dissipation to prevent rotor warping
• Minimizes gas buildup between pad and rotor surface
• Helps maintain consistent braking performance under load
• Protects against corrosion with coated hat finish

Installation Notes and Tips

Ensure compatibility with your vehicle by verifying the part number 128.42041L and fitment for Nissan 240SX, Sentra, or INFINITI G20 models. This rotor requires a 4-lug wheel setup with a 114.3 mm bolt circle diameter. Since bearings and ABS tone rings are not included, reuse existing components or source separately if needed. Proper torque specifications should be followed during installation to maintain rotor alignment and performance. It is recommended to inspect brake pads and hardware during rotor replacement for optimal results.

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides additional 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. Consult product documentation or manufacturer resources for complete warranty information.