Stoptech 127.40047R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.40047R) is engineered for Acura TL models requiring reliable braking performance. Designed with a solid rotor construction and a coated hat finish, this rotor balances durability and heat dissipation for consistent stopping power.

• Compatible with Acura TL vehicles
• Part Number: 127.40047R
• Solid disc brake rotor with cross-drilled and slotted surface
• Coated hat finish for corrosion resistance
• Outside diameter: 282.5 mm (11.122 inches)
• Nominal thickness: 9.0 mm (0.354 inches)
• Discard thickness: 7.5 mm (0.295 inches)
• Overall height: 58.6 mm (2.307 inches)
• 5 lug holes with 114.3 mm (4.5 inches) bolt circle diameter
• Center hole diameter: 64 mm (2.52 inches)
• Weight approximately 4.2 kg (9.25 lbs)

Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to enhance braking performance through improved heat dissipation and debris removal. The combination of cross-drilled holes and precision slots helps reduce brake fade and maintain consistent pad contact. This product line is suitable for drivers seeking a balance between street use and spirited driving, offering solid rotor construction with a coated hat finish to resist corrosion and extend rotor life.

Technical Specifications and Features

This disc brake rotor features a solid design with a nominal thickness of 9.0 mm and a discard thickness of 7.5 mm, ensuring a clear service life indicator. The rotor’s outside diameter measures 282.5 mm, matching the specifications required for Acura TL brake systems. The 5-lug hole pattern with a 114.3 mm bolt circle diameter and a 64 mm center hole diameter ensures proper fitment and secure mounting. The rotor surface is cross-drilled and slotted to improve cooling and brake pad cleaning, which helps maintain braking efficiency under demanding conditions.

Applications and Problem Solving

• Reduces brake fade during aggressive driving or heavy braking
• Improves heat dissipation to prevent rotor warping
• Helps remove brake dust and debris for consistent pad contact
• Resists corrosion with coated hat finish for longer service life
• Compatible with Acura TL models requiring solid rotors with cross-drilled and slotted surfaces

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (7.5 mm) before installation
• Verify compatibility with Acura TL brake system and lug pattern
• Use proper torque specifications for lug nuts to avoid rotor damage
• Inspect brake pads and replace if worn to optimize rotor performance
• Clean rotor surface before installation to remove any protective coatings or debris

Quality Assurance and Warranty

StopTech 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, StopTech products typically come with manufacturer-backed quality assurance to ensure reliable performance and durability when installed and maintained according to guidelines.