Centric 120.66054 Disc Brake Rotor - Rear

Overview

Centric Premium Disc Brake Rotor 120.66054 is a vented rotor with a smooth surface and a coated hat finish for corrosion resistance. It is built for rear brake service on select Chevrolet Express 2500 and GMC Savana 2500 applications with 6-lug configuration notes.

This rotor uses an electrocoating finish that resists corrosion far longer than phosphate-coated alternatives. The Centric Premium Disc Brake Rotors line focuses on durable surface protection and consistent rotor construction for replacement brake work.

Key Features

• Electrocoated finish for long-lasting corrosion protection
• Vented rotor design with straight vanes for heat management
• Smooth friction surface
• Coated hat finish
• 6-bolt hole pattern with 140 mm bolt circle
• Outside diameter: 330 mm; nominal thickness: 29 mm

Detailed Description

Centric part number 120.66054 is a premium disc brake rotor engineered with an electrocoating finish that helps protect against rust after installation. The vented construction and straight vane design support stable brake operation, while the smooth surface and coated hat finish provide a clean replacement solution for routine brake service. For Chevrolet Express 2500 and GMC Savana 2500 rear brake applications, this rotor matches the listed 6-lug configuration notes and dimensional requirements.

Part number 120.66054 is also cross-referenced to Raybestos Brakes 580162 for the same application. When replacing worn rear rotors on a Chevrolet Express 2500 or GMC Savana 2500, confirm the listed measurements, bolt pattern, and hub dimensions before installation.

What It Helps Solve

• Brake pulsation from worn or uneven rotor surfaces
• Corrosion on exposed rotor surfaces and hat areas
• Heat buildup in vented rear brake service
• Fitment issues on 6-lug rear brake applications
• Replacement needs for damaged or below-spec rotors

Installation Notes

Verify outside diameter, center hole diameter, bolt circle, and thickness against the original rotor before installation. This rotor is listed for rear position applications only and should be matched to the vehicle’s 6-lug configuration notes. Clean the hub mounting surface thoroughly to help ensure proper seating and brake performance.

Quality Assurance

Centric Premium Disc Brake Rotors use an electrocoating finish designed to provide strong corrosion protection in service. The brand line is positioned around premium replacement rotors with durable surface treatment and consistent fitment-focused construction.