Stoptech 128.35092L Disc Brake Rotor - Rear Left

Overview of StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.35092L is engineered for Mercedes-Benz models including G55 AMG, GL320, GL350, GL450, GL550, ML320, ML350, ML450, ML500, ML550, R320, R350, and R500. Designed to enhance braking performance, this vented rotor features a cross-drilled surface for improved heat dissipation and consistent stopping power.

• Cross-drilled surface for enhanced cooling and reduced brake fade
• Vented rotor design to improve airflow and heat management
• Coated hat finish to resist corrosion and extend rotor life
• Precision fit with 5 lug holes and 112 mm bolt circle diameter
• Nominal thickness of 22.000 mm and discard thickness of 19.400 mm
• Compatible with Mercedes-Benz G and ML series SUVs and R-Class models

Detailed Product Specifications

This StopTech Sport Cross-Drilled Disc Brake Rotor (part number 128.35092L) features a 330 mm (12.992 inch) outside diameter and an overall height of 62.7 mm (2.469 inches). The rotor is vented with straight vanes to optimize airflow and cooling during heavy braking. The cross-drilled surface type helps dissipate heat and gases generated under braking, reducing the risk of brake fade. The rotor’s hat is coated to protect against rust and corrosion, maintaining structural integrity over time. It includes five lug holes with a diameter of 15.3 mm (0.602 inches) and a mounting bolt hole circle diameter of 112 mm (4.409 inches). The center hole diameter measures 67 mm (2.638 inches), ensuring a precise fit on compatible Mercedes-Benz vehicles. This rotor weighs approximately 8.13 kg (17.89 lbs) and does not include bearings or an ABS tone ring.

StopTech Sport Cross-Drilled Disc Brake Rotors Product Line

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed for drivers seeking improved braking performance and durability. These rotors combine cross-drilled surfaces with vented construction to enhance heat dissipation and reduce brake fade during demanding driving conditions. The coated hat finish adds corrosion resistance, making them suitable for both daily driving and spirited use on Mercedes-Benz SUVs and R-Class models. This product line focuses on delivering consistent braking performance while maintaining OEM fitment standards.

Common Applications and Problem Solving

• Improves braking performance on Mercedes-Benz G55 AMG, GL, ML, and R-Class models
• Reduces brake fade caused by excessive heat buildup
• Minimizes rotor warping and cracking under heavy use
• Prevents corrosion on rotor hats for longer service life
• Ensures precise fitment to maintain vehicle safety and handling

Installation Notes and Tips

• Verify compatibility with your specific Mercedes-Benz model and year before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean mounting surfaces to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor damage
• Perform a proper bed-in procedure after installation for best braking results

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent performance. 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.