Stoptech 128.47029L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.47029L is engineered for reliable braking performance on select Scion and Subaru models. Designed to meet the demands of both daily driving and spirited road use, this rotor offers enhanced heat dissipation and consistent stopping power.

• Cross-drilled solid rotor design for improved cooling
• Coated hat finish to resist corrosion
• Compatible with Scion BRZ, Subaru WRX, Forester, Impreza, Legacy, Outback, and FR-S
• Disc mounting type: floating/dih for better rotor alignment
• 5 lug holes with 100 mm bolt circle diameter
• Nominal thickness of 10.000 mm and discard thickness of 8.500 mm
• Outside diameter of 285.7 mm (11.248 inches)
• Weight approximately 11.3 lbs (5.14 kgs)

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat dissipation and reduced brake fade. The cross-drilled surface helps to evacuate gases and debris from the rotor surface, maintaining consistent pad contact. This particular rotor, part number 128.47029L, features a solid rotor design with a coated hat finish to protect against corrosion, making it suitable for both street and light performance applications on compatible Scion and Subaru vehicles.

Detailed Product Description

This StopTech rotor 128.47029L is a solid disc brake rotor with a cross-drilled surface type, measuring 285.7 mm in outside diameter and 10.000 mm nominal thickness. The rotor includes a coated hat finish that helps prevent rust and corrosion, extending the rotor's service life. It features a floating/dih disc mounting style, which allows for slight movement to reduce stress and improve braking consistency. The rotor has five lug holes with a 100 mm bolt circle diameter and a center hole diameter of 58 mm, ensuring proper fitment on specified Scion and Subaru models. With a discard thickness of 8.500 mm, this rotor meets OEM specifications for safe replacement intervals.

Compatible Vehicles and Applications

• Scion BRZ and FR-S
• Subaru WRX and Impreza
• Subaru Forester, Legacy, and Outback

This rotor is designed to replace factory rotors on these models, providing consistent braking performance and durability.

Common Issues Addressed by This Rotor

• Brake fade caused by overheating during aggressive driving
• Corrosion and rust buildup on rotor hats and surfaces
• Uneven brake pad wear due to poor heat dissipation
• Vibration or pulsation from warped or worn rotors
• Reduced braking efficiency from glazed or damaged rotors

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (8.500 mm) before installation
• Clean rotor surface and hub mounting area to prevent runout
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to ensure optimal performance

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.