Bosch 52011382 QuietCast Premium Front Disc Brake Rotor

The Bosch 52011382 QuietCast Premium Disc Brake Rotor delivers reliable braking performance with reduced noise and vibration. Engineered with precision-balanced construction and advanced materials, this front brake rotor provides smooth, consistent stops without pedal pulsation.

Key Features:

• Vented construction with OEM-style vane configuration for efficient heat dissipation and extended rotor life
• Factory mill precision balanced to disperse weight evenly for vibration-free operation
• Geomet finish with rust-resistant coating prevents corrosion and maintains a clean appearance
• 329.9mm outside diameter with 32mm nominal thickness and 30mm minimum discard thickness
• 68mm center bore diameter with 5-bolt mounting pattern (108mm bolt circle diameter)
• Engraved discard thickness indicator shows when rotor has reached end of service life
• Aluminum/zinc coating protection extends rotor life while providing clean look for open-wheel designs

This QuietCast rotor meets OEM specifications and is designed for professional technicians and DIY enthusiasts alike. The anti-corrosion coating keeps rotors looking clean while ensuring optimal fit and function. Cross-references to Volvo OE numbers 30645222 and 306452220. Sold individually; two required per vehicle for complete front axle replacement.