Bosch 19010306 Disc Brake Rotor - Front

Bosch QuietCast Rotor for Fiat 500 Front

The Bosch QuietCast Disc Brake Rotor, part number 19010306, is a front brake rotor for select Fiat 500 models. Built from iron alloy with a smooth directional braking surface, it is made for consistent rotor contact and dependable braking performance.

Compatible with 2012-2019 Fiat 500 front applications, this Bosch QuietCast Disc Brake Rotor 19010306 features a vented construction, Geomet disc finish, coated hat finish, and rust-resistant coating for added surface protection.

Key Features

• Iron alloy construction for strength and heat handling
• Vented rotor design for front brake use
• Smooth, directional brake surface finish
• Geomet disc finish with coated hat finish
• Rust-resistant coating for improved corrosion protection
• Conventional rotor without hub assembly
• Center bore diameter: 59 mm
• Outside diameter: 283.6 mm
• Nominal thickness: 22 mm; discard thickness: 20.2 mm

Product Details

Bosch QuietCast is Bosch’s brake rotor line focused on OE-style fit and finish for everyday driving applications. This rotor is built as a conventional, vented disc brake rotor with a smooth surface type and directional braking surface, helping maintain stable pad contact across the braking face. The Bosch QuietCast Disc Brake Rotor 19010306 is listed for the front position on 2012-2019 Fiat 500 models and cross-references 4779953AB for the same application.

What This Rotor Helps Address

• Brake pulsation caused by worn or uneven rotor surfaces
• Reduced braking consistency from heat-affected rotors
• Surface corrosion on exposed brake components
• Front brake service needs on Fiat 500 models
• Rotor replacement when thickness approaches discard limits

Installation Notes

Verify rotor dimensions, bolt pattern, and center bore before installation. This rotor uses 4 mounting bolt holes with a 98 mm bolt circle diameter and does not include bearings. Confirm pad condition, caliper operation, and hub surface cleanliness during brake service to support proper rotor seating.

Quality Assurance

Bosch QuietCast brake components are engineered for OE-style replacement fitment and finish. This rotor includes a rust-resistant coating, Geomet disc finish, and coated hat finish to help maintain surface protection during normal service.