Bosch 25010539 Disc Brake Rotor - Front

Bosch QuietCast Front Brake Rotor

The Bosch QuietCast Rotor 25010539 is a front disc brake rotor for a wide range of GM passenger cars and vans from 1990-1997. Built for direct-fit brake service, it supports consistent front braking performance on applications such as the Buick LeSabre, Chevrolet Camaro, Pontiac Bonneville, and Cadillac DeVille.

Key Features

• Front disc brake rotor for compatible GM applications
• Bosch QuietCast Rotor line for OE-style brake service
• Product height: 2.055118 in
• Fits vehicles across 1990-1997 model years
• Cross-reference part numbers include 18060234 and 19174976

Product Details

Bosch QuietCast Rotor 25010539 is a front brake rotor engineered for vehicles that use a front disc brake setup, including Buick LeSabre, Chevrolet Camaro, Pontiac Firebird, Oldsmobile 88, Cadillac Seville, and other listed GM platforms. The QuietCast Rotor line is Bosch’s brake rotor offering for drivers replacing worn front rotors with a direct-fit part that matches the application-specific dimensions required for service. This part number, 25010539, is listed for front use only and covers multiple GM cars and vans from the early 1990s through 1997.

This part cross-references 18060234 and 19174976 for the same application.

What It Helps Fix

• Brake pulsation from rotor wear or uneven rotor surfaces
• Front-end vibration during braking
• Reduced braking smoothness on GM front disc brake systems
• Rotor replacement needs after scoring, rust, or heat damage
• Service issues on Buick LeSabre, Chevrolet Camaro, and Pontiac Bonneville front brake setups

Installation Notes

Install on the front axle only for the listed applications. Verify rotor dimensions and brake system match before installation, and inspect pads, calipers, and hub surfaces during brake service. Confirm vehicle fitment by year, make, model, and front position before ordering Bosch QuietCast Rotor 25010539.

Quality Assurance

Bosch QuietCast Rotor 25010539 is part of Bosch’s QuietCast brake line, a product line focused on OE-style brake service for listed vehicle applications. The rotor height is 2.055118 in, which supports fitment verification during parts selection.