# CMX KBC-100603 Disc Brake Caliper for 2003-2006 Chevrolet Express 2500, GMC Savana 2500 - Rear

### Performance Overview

As a leader in the Automotive Braking industry, CMX delivers unrivaled braking solutions that redefine performance, reliability, and safety for your vehicle. CMX offers a comprehensive range of cutting-edge brake components meticulously engineered to meet the demands of do-it-yourself customers, garages and large fleet operators. From high-performance brake pads and rotors, to durable brake drums, reliable brake wheel cylinders, state-of-the-art CMX KBC-100603 is a vehicle-specific disc brake caliper designed for compatible applications for 2003-2006 Chevrolet Express 2500, GMC Savana 2500.

### Key Features

-   Kit includes: 2x Disc Brake Caliper

### Package include:

-   2x Rear Disc Brake Caliper (Both Side)

### Vehicle Fitment

**Fitment Summary:** 2003-2006 Chevrolet, GMC Express 2500, Savana 2500

**Position:** Rear

-   2003-2006 Chevrolet Express 2500 — Position: Rear; Note: With 8500 Lb to 9000 Lb GVW and With Phenolic Piston
-   2003-2006 GMC Savana 2500 — Position: Rear; Note: With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, fitment precision, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is KBC-100603.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Disc Brake Caliper for Chevrolet Express 2500
-   2003-2006 Chevrolet Express 2500 Disc Brake Caliper
-   KBC-100603 fitment
-   CMX Disc Brake Caliper
-   Rear Disc Brake Caliper

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2003

Chevrolet

Express 2500

Rear

With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

2004

Chevrolet

Express 2500

Rear

With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

2005

Chevrolet

Express 2500

Rear

With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

2006

Chevrolet

Express 2500

Rear

With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

2003

GMC

Savana 2500

Rear

With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

2004

GMC

Savana 2500

Rear

With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

2005

GMC

Savana 2500

Rear

With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

2006

GMC

Savana 2500

Rear

With 8500 Lb to 9000 Lb GVW and With Phenolic Piston

## Details

- **Price:** 289.35 CAD
- **Vendor:** CMX
- **Type:** Disc Brake Caliper
- **Tags:** 2003 Chevrolet Express 2500, 2003 GMC Savana 2500, 2004 Chevrolet Express 2500, 2004 GMC Savana 2500, 2005 Chevrolet Express 2500, 2005 GMC Savana 2500, 2006 Chevrolet Express 2500, 2006 GMC Savana 2500, Automotive Parts, CMX, CMX KBC-100603, Daily Driver, Direct Replacement, Disc Brake Caliper, KBC-100603, Rear, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 289.35 CAD | In stock |

## Images

- CMX KBC-100603 Disc Brake Caliper for 2003-2006 Chevrolet Express 2500, GMC Savana 2500 - Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cmx-kbc-100603-disc-brake-caliper-for-2003-2006-chevrolet-express-2500-gmc-savana-2500-rear-kbc-100603)
> Updated: 2026-06-06