ATE 203 421 05 12 90 Front Vented Brake Disc Rotor 300x28mm

The ATE 203 421 05 12 90 is a front axle vented brake disc rotor designed as a direct-fit replacement for Mercedes-Benz vehicles. ATE (Automotive Technology by Continental) is a premier OEM brake system supplier with a long history of producing original equipment brake components for European vehicle manufacturers, including Mercedes-Benz.

Key Features:

• Dimensions: 300.0mm outer diameter x 28.0mm thickness — internally vented design for superior heat dissipation
• Bolt Pattern: 5x112mm — matches original Mercedes-Benz wheel bolt configuration
• Centering Diameter: 67mm hub bore for precise, wobble-free mounting
• Minimum Thickness: 25.4mm — clearly marked wear limit for service safety
• Construction: High-quality cast iron for long service life and consistent braking performance
• OEM-Grade Quality: Manufactured to the same standards as original equipment brake components
• ATE Part Number: 24.0328-0106.1 (ATE internal reference)
• OEM Cross-Reference: Mercedes-Benz OEM number A 203 421 05 12 / 203-421-05-12-64
• Supplied without: Wheel hub, wheel bearing, and wheel studs

ATE brake discs are engineered to deliver precise stopping power, thermal stability, and long-lasting durability. As a trusted OEM supplier to Mercedes-Benz and other leading European manufacturers, ATE maintains strict quality and dimensional tolerances to ensure a proper, safe fit. This disc is sold individually.