Bosch 53011618 QuietCast Disc Brake Rotor Drum-In-Hat, Coated

The Bosch QuietCast 53011618 is a premium disc brake rotor engineered for reliable stopping performance. Constructed from a durable iron alloy and featuring a smooth brake surface finish, this drum-in-hat style rotor is built with a solid construction and arrives with a rust-resistant coating applied to both the disc and hat surfaces — helping to protect against corrosion right out of the box. With an outside diameter of 312 mm, a nominal thickness of 15 mm, a discard thickness of 13.5 mm, and a 114.3 mm bolt hole circle diameter accommodating 6 mounting bolts, it is precisely dimensioned for a proper, secure fit. Bosch develops these rotors using 3D laser measuring and rigorous repeated inspection to ensure dimensional accuracy that matches OE specifications.

Key Features:

• Iron alloy construction for strength and heat dissipation
• Drum-in-hat rotor design
• Smooth brake surface finish
• Rust-resistant coating on disc and hat surfaces
• Outside diameter: 312 mm
• Nominal thickness: 15 mm; discard thickness: 13.5 mm
• Bolt hole circle diameter: 114.3 mm; 6 mounting bolt holes
• Overall height: 81.5 mm
• Bearings and ABS tone ring not included

Bosch braking components are found on one in three Asian, domestic, and European vehicles on the road in North America, reflecting the brand's broad engineering expertise across all makes and models. This rotor is designed as a premium aftermarket replacement that meets the demands of professional technicians. Fits select 2003–2004 Dodge models.