Bosch 42011124 QuietCast Premium Disc Brake Rotor Front Single

The Bosch 42011124 QuietCast Premium Disc Brake Rotor is a front, single rotor engineered to deliver consistent, quiet, and long-lasting braking performance. Measuring 297.8mm in diameter, this rotor is built to OEM tolerances and features vehicle-specific casting for a precise, factory-correct fit.

Key Features:

• Vehicle-Specific Casting: Designed with OEM-matched geometry for a direct-fit replacement with no modification required.
• Superior Cast Iron Alloy: Produced using a heat flow casting process delivering premium G3000, GG20, GG15, and high-carbon (HC) grade iron for exceptional strength and durability.
• Factory Mill Precision Balanced: 100% balanced at the factory to evenly distribute weight, ensuring smooth, pulse-free stops with no pedal vibration.
• OEM-Style Vane Configuration: Optimized internal vane design promotes efficient heat dissipation and reduces vibration for quieter, longer-lasting operation.
• Aluminum/Zinc Coating (Alutherm): Bi-metal aluminum and zinc coating protects against rust and corrosion while providing a clean appearance for open-wheel designs.
• OEM-Style ABS Tone Ring: Where required, an OEM-matched ABS tone ring ensures trouble-free operation of antilock brake and traction control systems.
• Engraved Discard Thickness: Each rotor is stamped with the minimum discard thickness directly on the part, making it easy to determine when replacement is needed.
• Authenticated Bosch Branding: The Bosch brand name is engraved on-part, confirming authenticity of the product.

The Bosch QuietCast line is engineered to meet or exceed OEM standards, delivering brake judder, noise, vibration, and harshness-free performance. Sold as a single rotor.