Stoptech 127.35091R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.35091R) are engineered for Mercedes-Benz models including G55 AMG, GL320, GL350, GL450, GL550, ML320, ML350, ML450, ML500, ML550, R320, R350, and R500. These rotors provide reliable braking performance with enhanced heat dissipation and improved pad bite.

• Cross-drilled and slotted surface for efficient heat dissipation and debris removal
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for improved rotor alignment and performance
• Compatible with 5-lug bolt pattern and 112 mm bolt circle diameter

Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to enhance braking performance through advanced rotor surface technology. The combination of cross-drilled holes and precision slots improves cooling and helps evacuate gases and debris from the pad surface. This product line is ideal for drivers seeking consistent braking response and durability on Mercedes-Benz SUVs and performance models.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 1.260 inches (32.000 mm) and a discard thickness of 1.157 inches (29.400 mm), ensuring a long service life before replacement is necessary. The rotor has an outside diameter of 13.780 inches (350.000 mm) and an overall height of 2.157 inches (54.800 mm). It is vented with straight vanes to optimize airflow and cooling. The rotor includes three miscellaneous holes and a floating disc mounting design to maintain proper alignment during operation. The center hole diameter measures 2.638 inches (67.000 mm), and it fits vehicles with a 5-stud lug pattern and 0.602 inch (15.300 mm) stud diameter. This rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Reduces brake fade during extended or aggressive driving
• Improves heat dissipation to prevent rotor warping
• Enhances braking response and pad bite on Mercedes-Benz SUVs and AMG models
• Minimizes brake dust and debris buildup on rotor surface
• Provides corrosion resistance with coated hat finish for longer rotor life

Installation Notes and Tips

Ensure compatibility with your specific Mercedes-Benz model by verifying the 5-lug bolt pattern and 112 mm bolt circle diameter. Properly torque lug nuts to manufacturer specifications to avoid rotor distortion. Since this rotor uses a floating disc mounting system, inspect mounting hardware for wear or damage during installation. Replacement of brake pads is recommended when installing new rotors to ensure optimal performance.

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides additional corrosion resistance, contributing to the rotor's durability. 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 authorized sources for exact warranty terms.