Wagner Brake CN12042SC Disc Brake Caliper - Rear Left

Brake Caliper Overview

Wagner Brake CN12042SC is a disc brake caliper built for consistent braking performance and corrosion resistance. It uses newly manufactured components and a coated aluminum body for a direct replacement on select applications.

Key Features

• Floating disc brake caliper design for smooth hydraulic operation.
• Aluminum casting helps reduce weight while maintaining strength.
• Coated finish adds corrosion resistance for long-term service.
• Includes a bleeder screw and mounting bracket.
• Single-piston design with a 48.0 mm piston diameter.

Detailed Description

This Wagner Brake caliper, part number CN12042SC, is engineered as a replacement brake hydraulic component for select GM crossover and SUV platforms, including Buick Enclave, Chevrolet Traverse, GMC Acadia, GMC Acadia Limited, Cadillac XTS, and Saturn Outlook applications. The floating caliper layout and 1.890-inch piston diameter support even pad clamping force, while the coated aluminum construction helps resist corrosion in demanding driving conditions. This part cross-references Raybestos Brakes FRC12042N for the same application.

What It Is Used For

• Restoring rear brake clamping force on worn hydraulic assemblies.
• Replacing a sticking or seized caliper body.
• Addressing uneven pad wear caused by caliper movement issues.
• Correcting brake fluid leakage at the caliper assembly.
• Replacing corrosion-damaged brake hardware on compatible vehicles.

Installation Notes and Tips

Fits 2013-2019 Cadillac XTS, rear left; 2008-2017 Buick Enclave, rear left; 2009-2017 Chevrolet Traverse, rear left; 2017 GMC Acadia Limited, rear left; 2007-2016 GMC Acadia, rear left; 2007-2010 Saturn Outlook, rear left. Verify bleeder screw thread size M10x1 and confirm the mounting bracket is required for your application before installation. Brake pads are not included.

Quality Assurance

Wagner Brake uses 100% newly manufactured components in this caliper line to support consistent performance and reliable corrosion resistance.