Zimmermann 100.3332.55 Disc Brake Rotor - Front or Front Right

Overview

The Zimmermann 100.3332.55 is a slotted disc brake rotor built for select Audi applications that require a 345 mm front rotor with a 112 mm bolt pattern and 68 mm hub bore. Its coated surface and high-carbon machining support consistent braking performance while helping resist corrosion.

Use this rotor when you need a direct-fit replacement for compatible Audi S5, Q5, A4, and A5 applications with the listed PR code requirements. The Zimmermann 100.3332.55 combines a grooved braking surface with a coated finish for a more durable service part and a cleaner appearance.

Key Features

• Slotted brake disc design for improved water and dust evacuation.
• High-carbon machining for stable braking characteristics.
• Coated surface helps protect against corrosion.
• 345 mm outer diameter, 29.5 mm thickness, and 28 mm minimum thickness.
• Fits select Audi front applications with PR number 1LJ or 1LJ+S5 requirements.

Detailed Description

Zimmermann developed the Black Z rotor line using experience from standard brake rotor production and motorsport-informed engineering. This rotor uses a grooved braking surface and high-quality cast materials to support wet-weather braking by moving brake dust and water away from the contact area. The coated finish adds corrosion resistance and gives the rotor a more refined appearance. Part number 100.3332.55 is also referenced as a paired application with 100.3332.54.

Compatible fitment includes 2008-2017 Audi S5 front, 2009-2013 Audi Q5 front right, 2009-2012 Audi Q5 front, 2010-2014 Audi A4 front right, 2010-2013 Audi A4 Quattro front right, 2013 Audi A4 Quattro front, 2010-2013 Audi A5 front right, 2010-2013 Audi A5 Quattro front right, 2008-2011 Audi A5 front, 2010-2011 Audi S5 front right, and 2008-2009 Audi A5 Quattro front.

What It Helps Address

• Brake fade caused by heat buildup and inconsistent rotor contact.
• Reduced braking confidence in wet conditions.
• Corrosion on exposed rotor surfaces.
• Rotor wear issues on vehicles requiring the specified dimensions and PR codes.
• Noise and vibration concerns from worn or mismatched rotors.

Installation Notes

Verify rotor diameter, thickness, hub bore, bolt pattern, and PR code match before installation. This rotor is listed for front applications only, with fitment varying by model and configuration. Confirm the vehicle’s current rotor specification and replace in accordance with service procedures for the brake system.

Quality Assurance

Zimmermann Black Z rotors are engineered for ECE R90 homologated applications where noted, and this part is not subject to registration when that approval applies. Part number 100.3332.55 is part of Zimmermann’s coated rotor range, and the Black Z line is built around corrosion-resistant surface treatment and slotted braking performance.