Brembo 09.A621.31 UV Coated Vented Cross-Drilled Front Disc Brake Rotor

The Brembo 09.A621.31 is a premium UV coated front disc brake rotor engineered for superior stopping power and long-lasting corrosion protection. Part of Brembo's Prime Line series, this high-performance rotor combines advanced metallurgy with environmentally friendly UV coating technology to deliver exceptional braking performance and durability.

Key Features:

• Cross-drilled vented design improves heat dissipation and wet weather braking performance
• High-carbon cast iron construction minimizes noise and vibration for enhanced driving comfort
• Complete UV coating protects entire disc surface including braking plates and internal venting chambers from corrosion
• Solvent-free, environmentally friendly coating allows installation right out of the box without brake cleaner
• 12.68 inch (322mm) outside diameter with 32mm nominal thickness
• 5-bolt mounting pattern with 67mm center bore
• Includes fixing screw kit with all necessary hardware for easy installation
• Intelligent marking shows part number and minimum discard thickness (30mm)
• Meets or exceeds OEM specifications for direct replacement fitment

Brembo's patented Pillar Venting Technology increases airflow through the rotor for up to 40% greater resistance to thermal cracking compared to conventional vane systems. Precision balanced with strict manufacturing tolerances to minimize runout and ensure smooth, confident braking. Backed by a 2-year warranty. Cross-references to OEM part numbers 0004211112, 000421301207, and 2044211012.