Bosch 25010548 Disc Brake Rotor - Front

Bosch QuietCast Front Brake Rotor

The Bosch QuietCast Rotor 25010548 is a front disc brake rotor for select GM, Isuzu, Saab, and Oldsmobile applications. Built for direct replacement use, it supports consistent braking performance on vehicles such as the Chevrolet Trailblazer, GMC Envoy, and Buick Rainier.

Bosch QuietCast Rotor is Bosch’s brake product line for drivers looking for OE-style replacement parts with application-specific fitment. This front rotor is listed for vehicles that use a 305mm front rotor in the covered applications, including the GMC Envoy XL and GMC Envoy XUV.

• Front disc brake rotor for select 2002-2008 applications
• Application-specific fitment for Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, and related models
• OE-style replacement part for front brake service
• Part number 25010548 for catalog and cross-reference lookup
• Cross-references Monroe Shocks & Struts 172286 for the same application

Detailed Product Overview

This Bosch QuietCast Rotor 25010548 is a front brake rotor engineered for vehicles in the 2002-2008 model years listed below. It is used on front brake systems for the Chevrolet Trailblazer, Chevrolet Trailblazer EXT, GMC Envoy, GMC Envoy XL, GMC Envoy XUV, Buick Rainier, Oldsmobile Bravada, Saab 9-7x, and Isuzu Ascender. The listed product height is 2.129921 inches, and the fitment data identifies this rotor as the correct front application for the covered vehicles.

Use part number 25010548 when searching for a Bosch QuietCast front disc brake rotor for 2002-2005 Chevrolet Trailblazer front, 2002-2005 GMC Envoy front, or 2004-2005 Buick Rainier front service. It also applies to 2004-2007 Isuzu Ascender front and 2005 Saab 9-7x front fitments.

Common Uses

• Replacing a worn front brake rotor
• Correcting brake pulsation during stopping
• Addressing rotor scoring or uneven wear
• Restoring proper front brake surface condition
• Servicing front brake systems on Trailblazer, Envoy, and Ascender models

Installation Notes

Verify rotor diameter and front axle fitment before installation. Confirm vehicle year, make, model, and front position against the fitment list for Bosch QuietCast Rotor 25010548. Brake rotors should be installed as part of a complete brake inspection, with pad condition and hub surface checked before reassembly.

Quality Assurance

Bosch QuietCast brake components are part of Bosch’s established brake product line for replacement applications. This rotor is cataloged for direct fitment on the listed vehicles and cross-references Monroe Shocks & Struts 172286 for the same application.