PowerStop Rear Brake Rotor

2016–2019 Mazda CX-9

Part #: JBR1742

Overview

The PowerStop Rear Brake Rotor for Mazda CX-9 (2016–2019) is designed to provide a direct replacement for your vehicle's original equipment rotors. Engineered with precision and durability in mind, these rotors are ideal for drivers seeking improved braking performance, enhanced safety, and reliable stopping power. Whether you're commuting daily, tackling spirited driving, or hauling loads, this rotor helps ensure your Mazda CX-9 maintains optimal braking response under various conditions.

Constructed to meet or exceed OE specifications, the PowerStop Autospecialty Brake Rotor offers a perfect balance of performance and longevity. Its robust design helps reduce stopping distances, improve wet weather braking, and resist corrosion, making it a smart upgrade for your vehicle's braking system.

Key Features

The PowerStop JBR1742 rotor incorporates several advanced features to enhance your vehicle's braking performance:

• Direct OE Replacement: Designed for a seamless fit and straightforward installation, ensuring compatibility with your Mazda CX-9's factory mounting points.
• Precision Machined: Tru-Cast machining ensures exact OE fit and smooth braking surface, reducing vibrations and noise during operation.
• Oversized Drill Holes: Strategically placed to improve heat dissipation, helping to lower brake temperatures and reduce the risk of warping or cracking under heavy use.
• Corrosion Resistance: Gold zinc plating provides excellent protection against rust and corrosion, extending the lifespan of your rotors even in harsh weather conditions.
• Stress Riser Reduction: Counter-sunk holes and stress-relief features help prevent cracking and stress fractures, ensuring long-term durability.
• Wet Weather Performance: Enhanced design helps maintain braking efficiency in wet conditions, providing consistent stopping power when you need it most.
• Improved Stopping Distance: The combination of precision machining and optimized venting improves pad bite and reduces stopping distances, contributing to safer driving.

Construction & Design

The PowerStop Autospecialty Brake Rotor is crafted from high-quality cast iron, ensuring strength and heat resistance. The rotor's surface is meticulously machined to achieve a smooth, flat finish that promotes even pad contact and optimal braking performance. The oversized drill holes are not only functional for heat dissipation but also add a distinctive aesthetic appeal, highlighting the rotor's high-performance design. The gold zinc plating provides a durable, corrosion-resistant coating that withstands the elements, maintaining the rotor's appearance and functionality over time.

This rotor's design emphasizes durability and reliability, making it suitable for daily driving, spirited driving, and light towing applications. Its stress-relief features and precision manufacturing help prevent common issues like cracking and warping, ensuring consistent braking performance mile after mile.

Performance & Sound

While specific horsepower or torque gains are not claimed, the PowerStop Autospecialty Rotor significantly improves braking response compared to the factory units. Its enhanced heat dissipation and pad bite contribute to shorter stopping distances and more confident braking under various driving conditions. The rotor's design minimizes vibrations and noise, providing a quieter, smoother braking experience.

Installation & Fitment

The PowerStop JBR1742 rotor is a direct bolt-on replacement for your Mazda CX-9's rear brakes. No cutting, drilling, or special tools are required for installation. The rotor mounts using the factory hardware and mounting points, making the upgrade straightforward for DIY enthusiasts and professional mechanics alike. Proper installation ensures optimal performance and longevity of your braking system.

• Simple, bolt-on installation
• No modifications needed
• Compatible with factory calipers and hardware

For best results, it is recommended to inspect and replace brake pads simultaneously to ensure even wear and maximum braking performance.

What's Included

• One PowerStop Autospecialty Rear Brake Rotor (JBR1742)
• Installation hardware and instructions (if applicable)

Ideal For

• Drivers seeking reliable, high-performance rear brake rotors
• Owners of Mazda CX-9 (2016–2019) looking to improve braking response and durability
• Enthusiasts wanting corrosion-resistant rotors for harsh weather conditions
• Anyone needing a direct replacement with enhanced features for everyday driving or spirited use

Emissions Note

This product is designed to meet or exceed OE specifications and is suitable for street use. Please verify local regulations regarding aftermarket brake components to ensure compliance.