Stoptech 126.40047SR Disc Brake Rotor - Rear Right

Overview of StopTech Sport Slotted Disc Brake Rotors

The StopTech Sport Slotted Disc Brake Rotors, part number 126.40047SR, are engineered for Acura TL models requiring reliable braking performance. These solid, slotted rotors provide consistent stopping power and enhanced heat dissipation for improved brake response.

• Compatible with Acura TL vehicles
• Part number: 126.40047SR
• Solid disc brake rotor with slotted surface
• Coated hat finish for corrosion resistance
• Outside diameter: 11.122 inches (282.5 mm)
• Nominal thickness: 0.354 inches (9.0 mm)
• Discard thickness: 0.295 inches (7.5 mm)
• Overall height: 2.307 inches (58.6 mm)
• 5 lug holes with 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter: 2.52 inches (64 mm)
• Weight approximately 9.25 lbs (4.2 kg)

Detailed Product Description

The StopTech Sport Slotted Disc Brake Rotors are designed as solid rotors with a slotted surface to improve brake pad bite and help evacuate gases and debris during braking. The coated hat finish enhances corrosion resistance, extending rotor life in various driving conditions. With an outside diameter of 11.122 inches and a nominal thickness of 0.354 inches, these rotors meet the specifications required for Acura TL models. The discard thickness of 0.295 inches indicates the minimum safe thickness before replacement is necessary. The rotor features a 5-lug hole pattern with a 4.5 inch bolt circle diameter, ensuring proper fitment and secure mounting. The overall height of 2.307 inches and center hole diameter of 2.52 inches are designed to match OEM dimensions for direct replacement.

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through slotted rotor designs that improve pad bite and heat dissipation. This product line is intended for drivers seeking improved brake feel and consistent stopping power without modifying the vehicle’s braking system. The 126.40047SR rotor is part of this line, offering a solid rotor construction with a coated finish to resist corrosion and maintain durability over time.

Applications and Problem Solving

• Replacement for worn or warped rotors on Acura TL models
• Improves brake pad cleaning and gas evacuation during braking
• Reduces brake fade under moderate to heavy braking conditions
• Helps maintain consistent braking performance in daily driving
• Prevents corrosion-related rotor damage with coated hat finish

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.295 inches) before installation
• Clean rotor surface before mounting to remove any protective coatings
• Torque lug nuts to manufacturer specifications for Acura TL
• Check compatibility with existing brake pads and calipers
• Inspect wheel bearings and hub assembly during installation

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit and function on Acura TL vehicles. The coated finish provides additional protection against corrosion, contributing to product longevity. While specific warranty details are not provided, StopTech products typically undergo rigorous quality control to ensure reliability and performance.