PowerStop B979 Parking Brake Shoe - Rear

Overview

PowerStop B979 is a rear parking brake shoe set built for heavy-duty truck applications that need precise fitment and consistent parking brake engagement. It is a bonded, semi-metallic design with black-coated steel construction and noise-reducing chamfers.

Compatible with Chevrolet W3500 Tiltmaster, GMC W3500 Forward, and Isuzu NPR parking brake applications, this part number B979 is made for service work where fit accuracy and quiet operation matter.

Key Features

• Precision cam-ground for proper fitment and consistent contact.
• Semi-metallic friction material with bonded attachment.
• 100% asbestos-free and copper-free construction.
• Chamfered edges help reduce chatter and noise.
• Black-coated steel resists rust and corrosion.

Detailed Description

PowerStop Autospecialty parking brake shoes are engineered for professional installation standards and are built from new steel with a black protective coating. The bonded lining and semi-metallic friction material support stable parking brake performance, while the chamfered design helps promote quiet operation. Part number B979 is a practical replacement choice for rear parking brake service on Chevrolet, GMC, Hino, and Isuzu medium-duty platforms.

This part cross-references Centric Parts (e.g., 111.09790) for the same application.

Common Uses

• Restoring parking brake holding performance.
• Addressing noise or chatter from worn shoe linings.
• Replacing shoes with uneven or reduced friction material.
• Correcting rust-related wear on the shoe assembly.
• Servicing bonded rear parking brake components on medium-duty trucks.

Installation Notes

Verify rear axle application, shoe width, and drum brake configuration before installation. This part is listed with bonded friction material and does not include mounting hardware. Confirm the vehicle-specific fitment notes for the exact model and year before ordering B979.

Quality Assurance

PowerStop positions the Autospecialty line for demanding professional installers, with precision-ground shoes, asbestos-free and copper-free materials, and corrosion-resistant coated steel construction.