Stoptech 128.42078R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.42078R) are engineered for enhanced braking performance and durability. Designed specifically for select Infiniti and Nissan models, these rotors provide reliable stopping power with a vented, cross-drilled surface to improve heat dissipation.

• 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
• Precision fit with 5 lug holes and 12.8 mm stud diameter for secure mounting
• Compatible with multiple Infiniti and Nissan models including FX35, Q50, Murano, and Pathfinder

Detailed Product Features and Specifications

This disc brake rotor features a nominal thickness of 16.0 mm (0.630 inches) and a discard thickness of 14.0 mm (0.551 inches), ensuring a solid braking surface throughout its service life. The rotor’s outside diameter measures 307.6 mm (12.110 inches), with an overall height of 62.1 mm (2.445 inches). The vented design incorporates straight vanes to promote airflow and reduce heat buildup during braking. The rotor’s center hole diameter is 68.0 mm (2.677 inches), and it mounts using a 114.3 mm (4.5 inch) bolt circle with five lug holes, each 12.8 mm (0.504 inches) in diameter. The hat section is coated to protect against rust and corrosion, enhancing durability in various driving conditions.

StopTech Sport Cross-Drilled Disc Brake Rotors Product Line

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on performance-oriented rotors that balance durability with improved thermal management. The cross-drilled surface pattern helps to dissipate heat and gases generated during braking, reducing the risk of brake fade under demanding conditions. This product line is designed for drivers seeking reliable stopping power with enhanced rotor cooling, making it suitable for both daily driving and spirited use on compatible Infiniti and Nissan vehicles.

Compatible Vehicles and Common Applications

• Infiniti FX35, FX37, FX45
• Infiniti JX35, M35h, M37, M56
• Infiniti Murano, Q50, Q60, Q70, Q70L
• Infiniti Quest, QX60, QX70
• Nissan Pathfinder

This rotor is ideal for addressing issues such as brake fade, uneven rotor wear, and corrosion on factory rotors. It also supports improved braking response and heat management for vehicles used in moderate performance driving or heavy-duty daily use.

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (14.0 mm) before installation
• Verify compatibility with vehicle make and model using part number 128.42078R
• Use proper torque specifications for the 5 lug bolts during installation
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Clean rotor surface before installation to remove any protective coatings or debris

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 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.