Bosch 34010878 Disc Brake Rotor - Front
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Bosch
Bosch QuietCast Rotor

Bosch 34010878 Disc Brake Rotor - Front

Brand Bosch 34010878
Position Front
Product Height 1.771654 in
Product line Bosch QuietCast Rotor
Fits Mazda · 4 vehicles

QuietCast Rotor. Disc brake rotor engineered for quiet, consistent braking performance.

Brake rotor for dependable stopping power and smooth operation.

Cross-references B25Y3325XB for the same application. See all 1.

$48.56Free 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 $48.56
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Disc Brake Rotor options

Bosch QuietCast Rotor for Front Brake Service

The Bosch QuietCast Rotor 34010878 is a front disc brake rotor for select 1990-1993 Mazda Miata applications. Built for the front axle, it supports consistent brake service on a vehicle where rotor condition directly affects pedal feel and stopping performance.

Key Features

  • Front disc brake rotor for 1990-1993 Mazda Miata
  • Bosch QuietCast Rotor line for OE-style brake service
  • Product height: 1.771654 in
  • Part number 34010878 for accurate ordering and fitment lookup
  • Cross-reference: Monroe Shocks & Struts B25Y3325XB for the same application

Product Details

Bosch QuietCast Rotor 34010878 is a direct-fit front brake rotor application for the Mazda Miata from 1990 through 1993. The QuietCast Rotor line is Bosch’s brake rotor offering for drivers who want a replacement part that matches the original service category and supports normal brake maintenance on the front axle. The listed height of 1.771654 in provides a useful reference when verifying the rotor against existing brake components. Search terms such as front brake rotor for 1990-1993 Mazda Miata and Bosch 34010878 front rotor align with this application.

What It Is Used For

  • Replacing a worn or damaged front brake rotor
  • Addressing brake pulsation caused by rotor wear or uneven surface condition
  • Restoring braking consistency on a 1990-1993 Mazda Miata front axle
  • Correcting noise or vibration related to rotor condition
  • Supporting routine front brake service on Mazda Miata models

Installation Notes and Tips

Fits 1990-1993 Mazda Miata, front. Confirm rotor dimensions and hub condition before installation, and inspect pads, calipers, and mounting surfaces during brake service. Verify part number 34010878 against the vehicle and brake system before ordering. Bosch QuietCast Rotor applications are commonly searched as front brake rotor replacement for Mazda Miata 1990-1993.

Quality Assurance

Bosch is a recognized brake parts brand, and the QuietCast Rotor line is positioned for OE-style replacement service. Use the vehicle fitment and part number 34010878 to confirm the correct front rotor for your application.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1993MazdaMiataFrontBosch QuietCast Rotor
1992MazdaMiataFrontBosch QuietCast Rotor
1991MazdaMiataFrontBosch QuietCast Rotor
1990MazdaMiataFrontBosch QuietCast Rotor
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
B25Y3325XB