PowerStop JBR1398EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number JBR1398EVC) is engineered specifically for the Mazda CX-9. Designed to meet OEM specifications, this vented disc brake rotor offers reliable performance and corrosion resistance for rear brake applications.

• Compatible with Mazda CX-9 rear brake system
• Vented disc brake rotor design for improved heat dissipation
• Geomet rust-resistant coating to prevent corrosion
• Nominal thickness of 18.00 mm with a discard thickness of 16.00 mm
• Overall height of 56.00 mm and outside diameter of 324.00 mm
• Five stud/lug holes with a 114.30 mm bolt circle diameter

Product Line Details: Power Stop - Rear Genuine Geomet Coated Rotor

This rotor is part of the Power Stop - Rear Genuine Geomet Coated Rotor line, which focuses on providing rotors with a durable Geomet coating. This coating enhances rust resistance and extends rotor life, making it suitable for vehicles like the Mazda CX-9 that require reliable rear brake components. The vented design helps maintain optimal braking performance by dissipating heat effectively during operation.

Technical Specifications and Features

The JBR1398EVC rotor features a vented design that improves airflow and cooling, reducing the risk of brake fade under heavy use. It has a nominal thickness of 18.00 mm and a discard thickness of 16.00 mm, ensuring safe replacement intervals. The rotor measures 324.00 mm in outside diameter and 56.00 mm in overall height, matching Mazda CX-9 rear brake requirements. The Geomet coating provides a rust-resistant surface, which is critical for maintaining rotor integrity in various weather conditions. The rotor mounts with five lug holes spaced on a 114.30 mm bolt circle diameter, compatible with the CX-9's rear hub assembly.

Common Applications and Problem Solving

• Replacement for worn or warped rear rotors on Mazda CX-9
• Addresses brake noise caused by rust or corrosion buildup
• Improves braking consistency by reducing heat-related fade
• Restores proper rotor thickness for safe braking performance
• Prevents premature rotor deterioration in humid or salty environments

Installation Notes and Tips

When installing the Power Stop JBR1398EVC rotor, ensure the mounting surface is clean and free of debris. Verify the rotor thickness before installation to confirm it meets the nominal 18.00 mm specification. Use proper torque settings on the five lug nuts to secure the rotor to the hub. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Follow all Mazda CX-9 manufacturer guidelines for rear brake service.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The Geomet coating provides enhanced corrosion resistance, contributing to longer rotor life. While specific warranty details for part number JBR1398EVC are not provided here, Power Stop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.