Zimmermann 400.5509.20 Brake Disc Rotor with Coat Z Anti-Corrosion

The Zimmermann 400.5509.20 brake disc delivers OE-quality braking performance with advanced corrosion protection. Manufactured in Europe by Otto Zimmermann, a trusted supplier to German automakers for over 60 years, this replacement brake rotor meets or exceeds original equipment specifications.

Key Features:

• Coat Z anti-corrosion coating protects hub and cooling vanes from rust
• High-carbon cast iron construction provides excellent thermal resistance and heat dissipation
• Precision-manufactured to ISO 9001 standards with minimal tolerances
• Reduces brake pulsation, vibration, and noise
• Enhanced resistance to thermo-mechanical deformation for longer service life
• Minimum thickness specification stamped on rotor for easy inspection

Zimmermann brake discs are engineered as direct OE replacements, ensuring proper fit and reliable stopping power. The proprietary Coat Z coating maintains a clean appearance while providing immediate functional capability without pre-installation coating removal. Sold individually—purchase two rotors for complete axle replacement.