Bosch 53011557 QuietCast Disc Brake Rotor Coated Drum-In-Hat Solid

The Bosch QuietCast 53011557 is a premium drum-in-hat disc brake rotor engineered for reliable, quiet braking performance. Constructed from iron alloy with a solid design, this rotor features a smooth brake surface finish and a rust-resistant coating applied to both the disc and hat for long-lasting protection against corrosion. Bosch developed the QuietCast line using 3D laser measuring and repeated inspection to deliver aftermarket rotor technology that meets the demands of technicians working across Asian, Domestic, and European vehicles every day.

Key Features:

• Iron alloy construction with solid design
• Smooth brake surface finish for consistent braking contact
• Rust-resistant coating on disc and hat for corrosion protection
• Drum-in-hat rotor design
• Outside diameter: 324 mm; nominal thickness: 12 mm; discard thickness: 10.4 mm
• Overall height: 80.2 mm; 5-bolt mounting pattern on a 120 mm bolt circle
• ABS tone ring and bearings not included
• Manufactured to Bosch's 3D laser measuring and multi-stage inspection standards

As a brand trusted in one out of every three vehicles on North American roads, Bosch brings OE-level quality to this replacement rotor. Fits select 2000–2006 BMW models.