PowerStop JBR739EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number JBR739EVC) is engineered for reliable braking performance on select Lexus models. Designed specifically for rear disc brake applications, this rotor offers corrosion resistance and precise fitment for vehicles like the Lexus GS300, GS400, GS430, IS300, and SC430.

• Compatible with Lexus GS300, GS400, GS430, IS300, and SC430 rear brake systems
• Solid disc brake rotor design for consistent braking
• Geomet coating provides rust resistance and extended rotor life
• Nominal thickness of 11.90 mm with a discard thickness of 10.50 mm
• Outside diameter of 307.00 mm (12.10 inches) for exact fit
• Mounting bolt hole circle diameter of 144.30 mm with 5 lug holes
• Overall height measures 63.50 mm (2.50 inches)

Detailed Product Description

This Power Stop rear rotor is a solid disc type designed to meet the specifications required by Lexus rear braking systems. The rotor features a Geomet coating, which is a rust-resistant finish that helps protect the rotor surface from corrosion, extending its service life and maintaining braking efficiency. With a nominal thickness of 11.90 mm and a discard thickness of 10.50 mm, this rotor ensures safe replacement intervals. The 5-lug hole pattern with a 144.30 mm bolt circle diameter guarantees proper mounting on compatible Lexus models. The rotor’s outside diameter of 307.00 mm (12.10 inches) and overall height of 63.50 mm (2.50 inches) are engineered for precise fitment and optimal brake pad contact.

About the Power Stop - Rear Genuine Geomet Coated Rotor Line

The Power Stop - Rear Genuine Geomet Coated Rotor product line focuses on providing rotors with a factory-style Geomet coating that offers enhanced corrosion resistance compared to standard rotors. This coating helps maintain rotor integrity in various driving conditions, especially in environments prone to moisture and road salt exposure. The line is designed to meet or exceed OEM specifications for fit, form, and function, making it a suitable replacement for rear disc brake rotors on compatible Lexus vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rear rotors on Lexus GS300, GS400, GS430, IS300, and SC430
• Addresses rotor corrosion and rust buildup that can affect braking performance
• Helps eliminate brake noise caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain safe braking distances
• Prevents premature rotor failure due to environmental exposure

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (10.50 mm) before installation
• Clean mounting surface to remove rust or debris for proper rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and replace if worn to ensure even rotor wear
• Follow vehicle-specific service manual for rear brake rotor replacement procedures

Quality Assurance and Warranty

Power Stop rotors, including the JBR739EVC, are manufactured to meet OEM standards for durability and performance. The Geomet coating provides additional protection against rust, contributing to longer rotor life. While specific warranty details may vary, Power Stop products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.