PowerStop JBR938EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number JBR938EVC) is engineered specifically for Lexus LS430 models. Designed to provide reliable braking performance, this vented disc brake rotor features a rust-resistant Geomet coating to extend rotor life and maintain consistent stopping power.

• Compatible with Lexus LS430 front brake system
• Vented disc brake rotor design for improved heat dissipation
• Rust resistant Geomet coating for corrosion protection
• Nominal thickness of 30.00 mm with discard thickness at 28.00 mm
• Overall height of 50.30 mm and outside diameter of 315.00 mm
• Mounting bolt hole circle diameter of 114.30 mm with 5 lug holes

Detailed Product Features and Specifications

This Power Stop rotor is a vented type, which helps reduce heat buildup during braking, minimizing the risk of brake fade. The rotor measures 315.00 mm in outside diameter and has an overall height of 50.30 mm, ensuring proper fitment and clearance for the Lexus LS430 front brake assembly. The nominal thickness is 30.00 mm, with a discard thickness of 28.00 mm, indicating when the rotor should be replaced to maintain safe braking performance.

The Geomet coating applied to the rotor surface provides a durable, rust-resistant finish that helps prevent corrosion and extends the rotor's service life. This coating is especially beneficial for vehicles exposed to moisture and road salts. The mounting bolt hole circle diameter is 114.30 mm, accommodating 5 lug holes with a diameter of 4.50 mm, matching the factory specifications for the Lexus LS430.

About the Power Stop - Front Genuine Geomet Coated Rotor Line

The Power Stop - Front Genuine Geomet Coated Rotor product line focuses on delivering rotors with advanced corrosion resistance and reliable performance. The Geomet coating technology used in this line offers enhanced protection against rust compared to standard rotors, making it suitable for drivers seeking durability and consistent braking in various driving conditions. This line is designed to meet or exceed OEM specifications for fit and function.

Common Applications and Problem Solving

• Replacement for worn or warped front rotors on Lexus LS430
• Addresses brake noise caused by rust or uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during heavy use
• Prevents premature rotor corrosion in humid or salty environments
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

Ensure the rotor surface and hub are clean and free of debris before installation. Verify the rotor thickness is above the discard thickness of 28.00 mm to maintain safety standards. Use proper torque specifications for the 5 mounting lug holes to avoid rotor warping. It is recommended to inspect brake pads and replace them if worn to ensure optimal braking performance with the new rotor.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet OEM standards for fit, form, and function. The Geomet coating provides additional protection against corrosion, contributing to the rotor's longevity. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.