Stoptech 127.44047L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.44047L is engineered for reliable braking performance on Geo and Toyota vehicles, including the Corolla, MR2, and Prizm models. Designed with precision, this vented rotor features a slotted and drilled surface to enhance heat dissipation and maintain consistent stopping power.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with Geo Corolla, Toyota MR2, and Toyota Prizm
• Part number 127.44047L for exact fitment and replacement

Detailed Product Features and Specifications

This StopTech rotor has an outside diameter of 10.15 inches (257.8 mm) and an overall height of 1.882 inches (47.8 mm), matching OEM dimensions for proper fitment. The nominal thickness is 0.866 inches (22.0 mm) with a discard thickness of 0.827 inches (21.0 mm), ensuring safe replacement intervals. The rotor includes four stud/lug holes with a diameter of 0.579 inches (14.7 mm) and a mounting bolt hole circle diameter of 3.937 inches (100 mm). It features a floating disc mounting system and straight vane style for efficient cooling. The hat is coated to protect against rust and corrosion, maintaining rotor integrity over time. This rotor does not include ABS tone rings or bearings.

About StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and debris removal. The combination of cross-drilled holes and precision slots helps to reduce brake fade and maintain consistent pedal feel during aggressive driving or daily use. This product line is suitable for drivers seeking a balance between performance and durability on compatible Geo and Toyota vehicles.

Common Applications and Problem Solving

• Reduces brake fade during extended braking or spirited driving
• Improves heat dissipation to prevent rotor warping
• Helps remove brake dust and gases for cleaner pad contact
• Resists corrosion with coated hat finish for longer service life
• Maintains consistent braking performance on Geo Corolla, Toyota MR2, and Prizm

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Use proper torque specifications for mounting bolts to avoid warping
• Check compatibility with vehicle ABS systems as this rotor does not include tone rings
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Follow manufacturer guidelines for bedding-in new rotors and pads

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 127.44047L rotor undergoes rigorous quality control to ensure durability and consistent braking 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 StopTech directly for warranty terms.