Stoptech 127.39033R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.39033R is engineered for Volvo XC90 models requiring reliable braking performance. Designed with vented construction and a coated hat finish, this rotor balances heat dissipation and corrosion resistance for consistent stopping power.

• Cross-drilled and slotted surface for improved brake pad bite and heat dissipation
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish to resist rust and corrosion
• Compatible with Volvo XC90 models
• Disc mounting type: Floating / Dih
• Outside diameter: 12.114 inches (307.7 mm)
• Nominal thickness: 0.787 inches (20.0 mm)
• Discard thickness: 0.709 inches (18.0 mm)
• 5 lug holes with 4.252 inch (108 mm) bolt circle diameter
• Weight approximately 16 lbs (7.27 kg)

Detailed Product Description

This StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (part number 127.39033R) is specifically designed for the Volvo XC90, providing a vented rotor with a cross-drilled and slotted surface. The vented design features straight vanes that help dissipate heat more effectively during braking, reducing the risk of brake fade. The cross-drilled holes and slots improve pad bite and help evacuate gases and debris from the rotor surface, enhancing braking consistency. The rotor’s coated hat finish offers protection against corrosion, extending the rotor’s service life in various driving conditions.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on performance-oriented rotors that combine vented construction with cross-drilled and slotted surfaces. This design improves heat management and braking response, making it suitable for drivers who demand consistent braking performance from their Volvo XC90. The rotors in this line are engineered to meet or exceed OEM specifications while providing enhanced cooling and pad cleaning capabilities.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves brake pad bite and initial response
• Helps prevent rotor surface glazing and pad deposits
• Minimizes corrosion on the rotor hat area
• Maintains consistent braking performance under varied conditions

Installation Notes and Tips

• Ensure compatibility with Volvo XC90 models before installation
• Check rotor thickness and discard limits to confirm usability
• Use proper torque specifications for the 5 lug bolts on a 108 mm bolt circle
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Follow manufacturer guidelines for bedding-in new rotors and pads

Quality Assurance and Warranty

StopTech rotors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 127.39033R rotor undergoes rigorous testing to comply with OEM fit and function requirements. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Refer to StopTech or authorized distributors for exact warranty terms.