PowerStop JBR1399EVC Disc Brake Rotor - Front

Power Stop Front Genuine Geomet Coated Rotor Overview

The Power Stop - Front Genuine Geomet Coated Rotor (Part Number JBR1399EVC) is engineered for reliable braking performance on Mazda CX-9 vehicles. Designed with a vented disc rotor construction and a rust-resistant Geomet coating, this rotor ensures durability and consistent stopping power under various driving conditions.

• Compatible with Mazda CX-9 front brake system
• Vented disc brake rotor design for improved heat dissipation
• Rust-resistant Geomet coating to prevent corrosion
• Outside diameter of 320.00 mm (12.60 inches)
• Nominal thickness of 28.00 mm with a discard thickness of 26.00 mm
• Mounting bolt hole circle diameter of 114.30 mm with 5 lug holes
• Overall height of 48.30 mm (1.90 inches)

Detailed Rotor Specifications and Features

This Power Stop rotor features a vented design that helps dissipate heat more effectively than solid rotors, reducing the risk of brake fade during extended use. The rotor’s Geomet coating provides a protective layer against rust and corrosion, extending the rotor’s service life especially in humid or wet environments. With a nominal thickness of 28.00 mm and a discard thickness of 26.00 mm, this rotor maintains structural integrity and braking efficiency throughout its lifespan. The 5-lug hole pattern with a 114.30 mm bolt circle diameter ensures precise fitment on the Mazda CX-9 front axle.

Power Stop - Front Genuine Geomet Coated Rotor Product Line

The Power Stop - Front Genuine Geomet Coated Rotor line focuses on delivering rotors with advanced corrosion resistance and reliable vented designs. This product line is tailored to provide consistent braking performance while minimizing maintenance needs. The Geomet coating used in this line is a factory-applied finish that meets OEM standards for rust prevention, making it suitable for drivers who require dependable stopping power and rotor longevity.

Common Applications and Problem Solving

• Replacement for worn or warped front rotors on Mazda CX-9
• Addresses brake noise caused by rust buildup on rotor surfaces
• Improves heat management to reduce brake fade during heavy braking
• Restores braking performance compromised by rotor corrosion
• Ensures proper rotor thickness for safe braking operation

Installation Notes and Tips

When installing the JBR1399EVC rotor, ensure the rotor surface is clean and free of any protective coatings before mounting. Verify the rotor thickness is above the discard thickness of 26.00 mm to maintain safety standards. Use proper torque specifications for the 5-lug mounting bolts with a 114.30 mm bolt circle diameter. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor lifespan.

Quality Assurance and Warranty

Power Stop rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The Geomet coating provides enhanced corrosion resistance verified through industry-standard testing. While specific warranty details for part number JBR1399EVC 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.