DBA DBA42677 Series HD Heavy-Duty Brake Disc Rotor - 4000

The DBA DBA42677 is part of DBA's trusted 4000 Series Heavy-Duty (HD) brake rotor lineup, engineered for drivers who demand reliable, high-performance stopping power beyond standard OEM specifications. Manufactured by Disc Brakes Australia, a globally recognized leader in brake technology, this rotor is built to withstand the thermal and mechanical demands of spirited street driving and heavy-duty applications.

DBA's 4000 Series HD rotors feature Geomet® protective coating on the hat and outer edges to resist corrosion and maintain a clean appearance throughout the rotor's service life. The rotor incorporates DBA's proprietary Thermal Stability Slots (TSS) — precision-machined slots that expel heat, gas, and debris from the braking surface, improving pad bite, reducing brake fade, and extending pad life.

Key Features:

• DBA 4000 Series Heavy-Duty (HD) specification for enhanced durability and performance
• Thermal Stability Slots (TSS) for improved heat dissipation and consistent braking performance
• Geomet® corrosion-resistant coating on hat and non-swept surfaces
• Vented rotor design for superior thermal management
• Precision-machined to OEM fitment standards for straightforward installation
• Manufactured to ISO 9001 quality standards
• Street legal and compliant with applicable safety standards

The DBA42677 is a direct-fit replacement rotor designed to restore or upgrade braking performance with no modifications required. Whether used for daily commuting, towing, or performance driving, the 4000 Series HD delivers the confidence of proven DBA engineering on every stop.