Wagner Brake Z847 Parking Brake Shoe - Rear

Wagner Z847 Parking Brake Shoe for Ram 3500

The Wagner Z847 parking brake shoe is built for rear brake service on select Ram 3500 applications. It uses OE-matched friction material and precision-ground surfaces to promote consistent drum contact and dependable parking brake engagement.

Key Features

• Parking brake shoe for rear axle service
• OE-matched friction material for brake performance consistency
• Precision-ground construction to maximize friction-to-drum contact
• Brake drum diameter: 9.560 in.
• Brake shoe width: 2.440 in.
• Primary friction material thickness: 0.150 in.
• FMSI number 1577-S847; FMSI lining 1577; FMSI steel S847

Detailed Description

Wagner Brake Z847 is a parking brake shoe engineered for rear brake applications on 2021-2025 Ram 3500 models listed below. The shoe is sized for a 9.560-inch brake drum and a 2.440-inch shoe width, with a 0.150-inch primary friction material thickness. Those dimensions help support proper drum contact and stable parking brake operation when replacing worn rear parking brake components on a Ram 3500.

Wagner’s Wagner line focuses on OE-style brake service parts, and this shoe follows that approach with friction material matched to original equipment expectations and ground surfaces for better contact across the drum. This part number, Z847, is also identified by FMSI 1577-S847 and cross-references Autolite 847 for the same application.

What It Helps Address

• Parking brake that does not hold the vehicle securely
• Uneven or reduced contact between shoe and drum
• Noise or vibration from worn rear parking brake shoes
• Brake shoe wear that affects parking brake engagement
• Service replacement for rear drum-style parking brake components

Installation Notes and Tips

Fits 2022-2025 Ram 3500, rear. Fits 2021 Ram 3500, rear, Single Rear Wheel; Wagner. Verify drum diameter, shoe width, and FMSI match before installation. Inspect the drum surface, backing plate contact points, and related parking brake components for wear or scoring during service. Proper adjustment after installation is important for correct parking brake operation.

Quality Assurance

Wagner Brake designs this shoe with OE-matched friction materials and precision-ground surfaces to support consistent fit and contact in the specified Ram 3500 rear parking brake applications.