Bosch
Bosch QuietCast Rotor

Bosch 14010021 Disc Brake Rotor - Rear

Brand Bosch 14010021
Position Rear
Product Height 1.566929 in
Product line Bosch QuietCast Rotor
Fits Audi · 11 vehicles

OE-style replacement. Bosch QuietCast Rotor line for straightforward brake service.

Rear brake rotor. Built for 255mm rotor applications with a 1.566929 in height.

$52.41Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $52.41
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

Bosch QuietCast Rotor 14010021 is a rear disc brake rotor built for specific Audi applications with a 255mm rotor specification. It is a fitment-based replacement for Audi A4 and Audi A4 Quattro models, with coverage that matches the listed rear applications.

Key Features

  • Rear disc brake rotor for 255mm rotor applications.
  • Bosch QuietCast Rotor line for OE-style brake service.
  • Product height: 1.566929 in.
  • Fits Audi A4 and Audi A4 Quattro rear brake applications.
  • Part number 14010021 for catalog and service matching.

Detailed Description

This Bosch disc brake rotor is identified by part number 14010021 and is listed for rear installation on 2002-2008 Audi A4 Quattro and 2003-2006 Audi A4 models with a 255mm rotor specification. The QuietCast Rotor line is Bosch’s brake rotor family for replacement service, giving buyers a clear OE-style option when matching the correct rear brake rotor to the vehicle application. Use the part number 14010021 when verifying fitment for Audi A4 and Audi A4 Quattro brake service.

What It Is Used For

  • Replacing a worn rear brake rotor on a listed Audi A4 or Audi A4 Quattro.
  • Restoring proper rotor surface condition for brake service.
  • Addressing brake pulsation caused by rotor wear or surface irregularity.
  • Matching the specified 255mm rear rotor application.

Installation Notes and Tips

Confirm the rear position and 255mm rotor specification before installation. Verify the vehicle year, model, and brake configuration against the fitment list, since the listed coverage differs between Audi A4 and Audi A4 Quattro applications. Use part number 14010021 during ordering and service verification.

Quality Assurance

Bosch QuietCast Rotor is Bosch’s brake rotor product line for replacement applications. The part number 14010021 is cataloged for the listed Audi rear brake fitments.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008AudiA4 QuattroRear255mm rotor; Bosch QuietCast Rotor
2007AudiA4 QuattroRear255mm rotor; Bosch QuietCast Rotor
2006AudiA4Rear255mm rotor; Bosch QuietCast Rotor
2006AudiA4 QuattroRear255mm rotor; Bosch QuietCast Rotor
2005AudiA4Rear255mm rotor; Bosch QuietCast Rotor
2005AudiA4 QuattroRear255mm rotor; Bosch QuietCast Rotor
2004AudiA4Rear255mm rotor; Bosch QuietCast Rotor
2004AudiA4 QuattroRear255mm rotor; Bosch QuietCast Rotor
2003AudiA4Rear255mm rotor; Bosch QuietCast Rotor
2003AudiA4 QuattroRear255mm rotor; Bosch QuietCast Rotor
2002AudiA4 QuattroRear255mm rotor; Bosch QuietCast Rotor