Front Brake Kit for Trailblazer, Envoy, Rainier

The DFC GEOSPEC Coated Rotors with 5000 Advanced Brake Pads - Ceramic and Hardware kit is a front disc brake service kit built for OE-style replacement on select GM and Isuzu SUVs. Part number 4512-48120 combines coated rotors, ceramic pads, and matching brake hardware for a complete front brake refresh.

Key Features

• Front disc brake kit for 2002-2005 Chevrolet Trailblazer, 2002-2005 GMC Envoy, 2004-2005 Buick Rainier, 2004-2005 Isuzu Ascender, and 2002-2004 Oldsmobile Bravada
• DFC GEOSPEC coated rotors with a silver-gray corrosion-resistant finish
• Rotors ship dry and install without oil removal or extra prep
• 5000 Advanced ceramic brake pads with post-cured friction material
• Scorched pads for reduced break-in time and stronger initial stopping response
• Premium rubber-steel-rubber shims for improved noise, vibration, and harshness control
• Hardware kit uses PTFE coating, vulcanized rubber, and stainless steel
• Part number 4512-48120

Product Details

DFC designed this brake kit to bring together the rotor, pad, and hardware components needed for a front brake service. The GEOSPEC rotors are machined to tight tolerances, finished with a non-directional surface for even pad bedding, and inspected for balance and critical dimensions. The 5000 Advanced pads are formulated for stable friction performance and are assembled with shims that help reduce brake noise and harshness. This makes 4512-48120 a practical choice for drivers servicing a Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Isuzu Ascender, or Oldsmobile Bravada front axle.

What It Helps Fix

• Brake noise from worn or fatigued hardware
• Uneven pad wear caused by corroded or weak hardware
• Reduced stopping performance from worn front pads and rotors
• Brake vibration related to rotor finish or wear
• Longer service time caused by rotors that require cleaning before installation

Installation Notes

Compatible With front axle service only. Verify vehicle year, make, model, and front position before ordering. The rotors are ready to install dry, which helps reduce prep time during a standard brake job. For best results, follow proper bedding procedures after installation and inspect caliper condition, slide pins, and brake fluid before completing the repair. Part number 4512-48120 is listed for 2002-2005 Chevrolet Trailblazer, 2002-2005 GMC Envoy, and related front applications.

Quality Assurance

DFC states that the rotors are manufactured to OE specifications, processed through balance and dimensional inspection, and backed by a 12-month warranty against defects in material and workmanship. The hardware kit is engineered with OE-style form, fit, and function in mind for dependable front brake service.

Fitment

• Fits 2004-2005 Buick Rainier, front
• Fits 2002-2005 Chevrolet Trailblazer, front
• Fits 2002-2005 GMC Envoy, front
• Fits 2004-2005 Isuzu Ascender, front; 5 Passenger Vehicle
• Fits 2002-2004 Oldsmobile Bravada, front