Stoptech 126.45073SR Disc Brake Rotor - Front Right

StopTech Sport Slotted Disc Brake Rotors for Mazda 6

Upgrade your Mazda 6 braking system with the StopTech Sport Slotted Disc Brake Rotors, part number 126.45073SR. Designed to provide consistent performance and improved heat dissipation, these rotors are engineered for drivers seeking reliable stopping power and enhanced brake feel.

• Compatible with Mazda 6 models
• Vented disc design for efficient heat dissipation
• Slotted surface type to reduce brake fade and improve pad bite
• Coated hat finish to resist corrosion
• Floating disc mounting for better rotor alignment
• Overall diameter of 319.7 mm (12.587 inches)
• Nominal thickness of 24.9 mm (0.980 inches) with discard thickness at 23.0 mm (0.906 inches)
• Five lug holes with 114.3 mm (4.5 inches) bolt circle diameter
• Weight approximately 9.77 kg (21.5 lbs)

About StopTech Sport Slotted Disc Brake Rotors

The StopTech Sport Slotted Disc Brake Rotors line is engineered to enhance braking performance through improved cooling and pad bite. Featuring a vented rotor design combined with precision-machined slots, this product line helps maintain consistent braking under demanding conditions. The coated hat finish adds durability by protecting against rust and corrosion, making it suitable for daily driving and spirited use on the Mazda 6.

Technical Details and Specifications

This disc brake rotor features a vented design with straight vanes to optimize airflow and heat dissipation during braking. The slotted surface helps channel away brake dust and gases, reducing the risk of brake fade and maintaining consistent pad contact. The rotor’s floating disc mounting allows for slight movement to reduce stress and improve alignment, contributing to longer rotor and pad life. The rotor measures 319.7 mm in outside diameter and has a nominal thickness of 24.9 mm, with a discard thickness of 23.0 mm, ensuring it meets Mazda 6 OEM specifications. The hat is coated to resist corrosion, and the rotor includes three miscellaneous holes and a center hole diameter of 72 mm for proper fitment.

Common Applications and Problem Solving

• Improves braking performance on Mazda 6 vehicles
• Reduces brake fade during aggressive driving or towing
• Minimizes rotor warping caused by heat buildup
• Enhances pad bite and reduces brake dust accumulation
• Prevents corrosion on rotor hats for extended service life

Installation Notes and Tips

• Ensure compatibility with Mazda 6 before installation
• Check rotor thickness and discard limits during replacement
• Use proper torque specifications for lug nuts (5 lug holes, 114.3 mm bolt circle)
• Inspect brake pads and replace if worn to optimize performance
• Bleed brake system after installation to remove air and ensure proper brake feel

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The rotors undergo 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 manufacturer resources for exact warranty terms.