PowerStop JBR1389EVC Disc Brake Rotor - Rear

Rear OE-Style Rotor for Toyota and Lexus

PowerStop Evolution Coated Rotor JBR1389EVC is a rear disc brake rotor built as a direct bolt-on replacement for factory equipment. It is made to OE specifications for fitment, weight, vane count, and braking performance, with a Genuine GEOMET coating to help resist rust and corrosion.

Compatible With rear brake service on 2011-2020 Toyota Sienna, 2014-2019 Toyota Highlander, 2010-2015 Lexus RX350, and 2010-2015 Lexus RX450h. The Power Stop rear genuine Geomet coated rotor line is focused on OE-style replacement parts for vehicles that need consistent fit and corrosion protection.

Key Features

• Part number JBR1389EVC
• Rear disc brake rotor for OE replacement use
• Fully coated with Genuine GEOMET rust preventative coating
• GEOMET 360 surface treatment helps protect against rust and corrosion
• Built to original equipment specifications for fitment, weight, vane count, and performance
• Solid rotor design
• 12.20 in. outside diameter
• 2.50 in. overall height
• 0.39 in. nominal thickness
• 8.50 mm discard thickness
• 5-lug, 114.30 mm bolt circle

Product Details

PowerStop JBR1389EVC is engineered for rear brake applications where an OE-style rotor is needed without changing the vehicle’s original braking setup. The solid rotor construction and OE-matched dimensions support proper fitment on Toyota Sienna, Toyota Highlander, Lexus RX350, and Lexus RX450h rear brake systems listed in the fitment data. The coated surface helps reduce visible rust on exposed areas while maintaining braking performance.

This part cross-references 42431-0E020 and 42431-48070 for the same application.

What This Rotor Helps Address

• Rear rotor rust and surface corrosion
• Brake pulsation caused by worn rotor surfaces
• Reduced braking consistency from rotor wear
• Fitment issues from non-OE dimension changes
• Replacement needs for rear brake service on Toyota and Lexus vehicles

Installation Notes and Tips

Verify rotor dimensions, hub fitment, and rear axle application before installation. Clean the hub mounting surface thoroughly so the rotor seats flat and true. After installation, follow the vehicle manufacturer’s brake bedding procedure and confirm proper pedal feel and rotor runout.

Fits 2011-2020 Toyota Sienna, rear. Fits 2014-2019 Toyota Highlander, rear. Fits 2010-2015 Lexus RX350, rear. Fits 2010-2015 Lexus RX450h, rear.

Quality Assurance

PowerStop Evolution Coated rotors are manufactured to original equipment specifications and use Genuine GEOMET coating technology for corrosion resistance. JBR1389EVC is built as a direct replacement rotor for the listed rear applications.