Dynamite Friction 830-75042L Disc Brake Rotor - Rear Left

High-Performance Disc Brake Rotor for Lexus RX Models

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (Part Number 830-75042L) is engineered to provide reliable braking performance for Lexus RX350, RX350L, RX450h, and RX450hL vehicles. Designed with precision, this rotor combines durability and enhanced heat dissipation to support consistent stopping power under various driving conditions.

• Directional drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Rust resistant coating to extend rotor life and maintain appearance
• Plain disc finish with Geospec silver grey hat finish for corrosion resistance
• Nominal thickness of 18 mm with a discard thickness of 16.5 mm
• Five bolt holes with a bolt circle diameter of 114.3 mm for secure fitment
• Outside diameter of 338 mm and height of 39.7 mm for precise compatibility
• Center hole diameter of 62 mm to ensure proper rotor alignment

About the DFC Geoperformance Rotor - Drilled and Slotted Line

The DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction focuses on delivering rotors that balance performance and durability. Featuring a directional surface with both drilled holes and slots, these rotors are designed to reduce brake fade by improving heat dissipation and removing debris from the brake pad surface. The rust resistant coating and Geospec silver grey hat finish further protect the rotor from corrosion, making it suitable for daily driving and moderate performance applications.

Product Details and Specifications

This disc brake rotor is specifically designed for Lexus RX350, RX350L, RX450h, and RX450hL models, ensuring a precise fit and optimal braking performance. The rotor’s nominal thickness is 18 mm, with a discard thickness of 16.5 mm, indicating when replacement is necessary to maintain safety. The directional slotted and drilled surface enhances braking efficiency by allowing gases and dust to escape, while the rust resistant coating helps maintain rotor integrity over time. The rotor features five bolt holes with a 114.3 mm bolt circle diameter and a center hole diameter of 62 mm, matching OEM specifications for secure installation.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves heat dissipation to prevent rotor warping
• Helps maintain consistent braking performance in wet or dusty conditions
• Minimizes rust and corrosion for longer rotor life
• Restores proper braking response on Lexus RX350 and RX450h models

Installation Notes and Tips

Ensure the rotor surface is clean and free of any contaminants before installation. Verify that the rotor thickness is above the discard thickness of 16.5 mm to maintain safety standards. Use the correct torque specifications for the five lug bolts to avoid rotor distortion. It is recommended to inspect brake pads and replace them if worn to optimize braking performance with the new rotor.

Quality Assurance and Warranty

Dynamite Friction manufactures the 830-75042L rotor to meet or exceed OEM standards for fit, form, and function. The rust resistant coating and precision machining contribute to consistent performance and durability. Please refer to Dynamite Friction’s warranty policy for specific coverage details.