PowerStop JBR1727 Disc Brake Rotor - Front

OE Stock Replacement Rotor

Power Stop JBR1727 is a direct-fit disc brake rotor built for original equipment fit and performance. It is a vented front rotor with a 363 mm outside diameter, made for heavy-duty braking applications where consistent stopping performance matters.

Compatible with Chevrolet W4500 Tiltmaster, Chevrolet W5500 Tiltmaster, GMC W4500 Forward, GMC W5500 Forward, and Isuzu NPR-HD, NQR, and NRR front brake applications, this rotor follows the OE-style dimensions needed for proper fitment. The Power Stop JBR1727 is also listed for select 1999-2010 medium-duty truck applications with notes that vary by model and build date.

Key Features

• Direct-fit disc brake rotor for OE-style replacement
• Vented rotor design for improved heat management
• 363 mm outside diameter and 136 mm bolt circle
• 12 lug hole pattern for supported applications
• Built to match original equipment fit and performance targets

Detailed Fitment

Fits 2000-2010 Chevrolet W4500 Tiltmaster, front.

Fits 1999-2010 Chevrolet W5500 Tiltmaster, front.

Fits 2000-2010 GMC W4500 Forward, front.

Fits 1999-2010 GMC W5500 Forward, front.

Fits 2010 Isuzu NQR, front, to 5/2010.

Fits 2010 Isuzu NRR, front, to 5/2010.

Fits 2004-2009 Chevrolet W5500HD Tiltmaster, front.

Fits 2004-2009 GMC W5500HD Forward, front.

Fits 2000-2009 Isuzu NPR-HD, front.

Fits 2000-2009 Isuzu NQR, front.

Fits 2005-2009 Isuzu NRR, front.

Fits 1999 Chevrolet W4500 Tiltmaster, front, from 2/1999 with ABS and 363 mm front rotor.

Fits 1999 GMC W4500 Forward, front, from 2/1999 with ABS and 363 mm front rotor.

Fits 1999 Isuzu NPR-HD, front, from 2/1999 with ABS and 363 mm front rotor.

Fits 1999 Isuzu NQR, front, from 1/1999.

Common Replacement Uses

• Replacing a worn rotor with reduced braking consistency
• Addressing brake pulsation from rotor wear or thickness loss
• Restoring proper rotor dimensions for OE-style service
• Correcting fitment issues on supported medium-duty front brake setups

Installation Notes

Verify year, model, and build-date notes before ordering, especially for 1999 and 2010 applications. Confirm rotor dimensions, bolt circle, and lug hole count against the existing part before installation. This rotor is intended for front brake applications only on the listed vehicles.

Quality Assurance

Power Stop Autospecialty rotors are direct-fit replacements engineered around original equipment fit and performance requirements. Part number JBR1727 identifies this application-specific rotor for the listed medium-duty trucks.