PowerStop JBR1389EVC Disc Brake Rotor - Rear

Power Stop Rear Genuine Geomet Coated Rotor Overview

The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number JBR1389EVC) is engineered for reliable braking performance on select Lexus and Toyota vehicles. Designed specifically for rear disc brake applications, this rotor offers corrosion resistance and precise fitment for models like the Lexus RX350, RX450h, Highlander, and Toyota Sienna.

• Compatible with Lexus Highlander, RX350, RX450h, and Toyota Sienna rear brakes
• Solid disc brake rotor with a 12.20 inch (309.00 mm) outside diameter
• Geomet rust-resistant coating for enhanced durability
• Nominal thickness of 10.00 mm and discard thickness of 8.50 mm
• Mounting bolt hole circle diameter of 114.30 mm with 5 lug holes
• Overall height measures 62.50 mm ensuring proper fitment

Detailed Rotor Specifications and Features

This Power Stop rotor is a solid type disc brake rotor, designed to meet the exact specifications required for rear brake systems on compatible Lexus and Toyota models. The rotor features a Geomet coating that provides rust resistance, helping to extend the rotor's service life in various driving conditions. With a nominal thickness of 10.00 mm and a discard thickness of 8.50 mm, this rotor maintains structural integrity and braking efficiency throughout its lifespan. The 12.20 inch (309.00 mm) outside diameter and 114.30 mm mounting bolt hole circle diameter with 5 lug holes ensure a precise fit for the rear brake assemblies of the RX350, RX450h, Highlander, and Sienna.

About the Power Stop - Rear Genuine Geomet Coated Rotor Line

The Power Stop - Rear Genuine Geomet Coated Rotor line focuses on providing rotors with factory-level quality and corrosion protection. The Geomet coating applied to these rotors offers a durable barrier against rust and environmental damage, which is particularly beneficial for rear brake components exposed to road debris and moisture. This product line is designed to meet or exceed OEM specifications, making it a suitable replacement for rear rotors on Lexus and Toyota vehicles requiring reliable braking performance and longevity.

Common Applications and Problem Solving

• Replacement for worn or warped rear rotors on Lexus RX350, RX450h, Highlander, and Toyota Sienna
• Addresses rotor corrosion and rust buildup that can affect braking efficiency
• Resolves brake pulsation caused by uneven rotor thickness or surface damage
• Improves braking consistency by restoring proper rotor thickness and surface condition
• Suitable for vehicles experiencing noise or vibration from rear brake components

Installation Notes and Tips

• Verify rotor thickness before installation; discard if below 8.50 mm
• Ensure mounting surfaces and hub are clean and free of debris for proper rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Follow vehicle-specific service manual instructions for rear brake rotor replacement

Quality Assurance and Warranty

Power Stop rotors, including the JBR1389EVC, are manufactured to meet stringent quality standards and OEM specifications. The Geomet coating enhances corrosion resistance, contributing to the rotor's durability. While specific warranty details may vary, 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.