Stoptech 127.44157L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.44157L) are engineered for Lexus and Toyota vehicles, including the Land Cruiser, LX570, Sequoia, and Tundra models. These rotors provide reliable braking performance with a vented design and a coated hat finish to resist corrosion.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad bite
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish for enhanced corrosion resistance
• Overall diameter of 345 mm (13.583 inches) and nominal thickness of 18 mm (0.709 inches)
• Designed with 5 lug holes and a 150 mm (5.906 inches) bolt circle diameter
• Floating/dih disc mounting with straight vane style for efficient cooling

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on performance-oriented rotors that combine cross-drilled holes and precision slots. This design enhances braking efficiency by improving pad contact and heat dissipation, which is critical for vehicles like the Lexus Land Cruiser and Toyota Tundra that may experience demanding driving conditions. The vented rotor construction and coated hat finish contribute to durability and consistent braking performance.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling during braking. The rotor's outside diameter measures 345 mm (13.583 inches), with a nominal thickness of 18 mm (0.709 inches) and a discard thickness of 16 mm (0.630 inches). The hat is coated to protect against rust and corrosion, extending the rotor's service life. It includes 5 lug holes with a diameter of 16.3 mm (0.642 inches) and a mounting bolt hole circle diameter of 150 mm (5.906 inches). The center hole diameter is 112 mm (4.409 inches), and the rotor weighs approximately 8.23 kg (18.1 lbs). This rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Compatible with Lexus Land Cruiser, LX570, Toyota Sequoia, and Tundra models requiring reliable brake rotor replacement
• Helps reduce brake fade during heavy braking or towing situations
• Improves heat dissipation to prevent rotor warping and extend pad life
• Addresses corrosion issues with coated hat finish for longer rotor durability
• Enhances braking response with cross-drilled and slotted surface design

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (16 mm) before installation
• Verify compatibility with vehicle lug pattern: 5 lug holes on a 150 mm bolt circle
• Use proper torque specifications for mounting bolts to avoid rotor damage
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Clean rotor surface before installation to remove any protective coatings or debris

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides corrosion resistance to maintain rotor integrity over time. While specific warranty details are not provided, 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.