PowerStop JBR981 Disc Brake Rotor - Rear

Power Stop Rear OE Stock Replacement Brake Rotor Overview

The Power Stop - Rear OE Stock Replacement Brake Rotor (Part Number JBR981) is engineered for reliable braking performance on select Infiniti and Nissan vehicles. Designed as a direct OE replacement, this vented disc brake rotor ensures consistent stopping power and durability for models such as the Infiniti Q50, Q60, FX35, and Nissan Murano.

• Part Number: JBR981
• Vented disc brake rotor design for improved heat dissipation
• Outside diameter: 12.10 inches (308.00 mm)
• Nominal thickness: 0.63 inches (16.00 mm)
• Discard thickness: 0.55 inches (14.00 mm)
• Overall height: 2.40 inches (62.00 mm)
• Mounting bolt hole circle diameter: 4.50 inches (114.30 mm)
• 5 stud/lug hole quantity
• No rust resistant coating

Detailed Product Description

This Power Stop rear brake rotor is designed to meet the original equipment specifications for a range of Infiniti and Nissan vehicles, including the FX35, FX37, FX45, JX35, M35h, M37, M56, Murano, Pathfinder, Q50, Q60, Q70, Q70L, Quest, QX60, and QX70. The rotor features a vented design that helps dissipate heat more effectively during braking, reducing the risk of brake fade under normal driving conditions. With a nominal thickness of 0.63 inches and a discard thickness of 0.55 inches, this rotor provides a balance between durability and performance. The overall height of 2.40 inches and a mounting bolt hole circle diameter of 4.50 inches with 5 lug holes ensure proper fitment and secure installation.

The Power Stop - Rear OE Stock Replacement Brake Rotor line is intended to provide a direct replacement for worn or damaged rear rotors, maintaining the original braking feel and performance. This product line focuses on matching OE dimensions and specifications to ensure compatibility and reliable operation without the need for modifications.

Common Applications and Issues Addressed

• Replacement for worn or warped rear brake rotors on compatible Infiniti and Nissan models
• Resolves brake pulsation caused by uneven rotor surfaces
• Addresses reduced braking efficiency due to rotor thickness below discard limits
• Eliminates noise and vibration related to damaged or uneven rotors
• Restores proper rotor dimensions for safe and effective braking

Installation Notes and Tips

• Verify rotor dimensions and part number JBR981 before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean mounting surfaces to prevent rotor runout and ensure proper fit
• Torque lug nuts to manufacturer specifications for secure installation
• Perform a brake system test after installation to confirm proper operation

Quality Assurance and Warranty

Power Stop manufactures the JBR981 rotor to meet or exceed original equipment standards for fit, form, and function. While this product does not include a rust resistant coating, it is engineered for durability under normal operating conditions. Please consult Power Stop or the product documentation for specific warranty details related to this rotor.