Dorman 947-021 Brake Backing Plate - Rear Right

Durable Brake Backing Plate for Ram ProMaster Models

The Dorman 947-021 brake backing plate is engineered to provide reliable support and protection for the rear right disc brake system on Ram ProMaster 1500, 2500, and 3500 vehicles. Constructed from high-quality steel, this black brake dust shield offers rust resistance and precise fitment to maintain brake performance and longevity.

• Made from durable steel material for strength and longevity
• Designed specifically for rear right disc brakes on Ram ProMaster 1500, 2500, and 3500
• Black finish provides corrosion resistance and a clean appearance
• Measures 323 mm outside diameter and 78 mm inside diameter for exact fit
• 1 mm thickness ensures structural integrity without adding excess weight
• Includes 6 mounting holes for secure installation
• Package contains one brake dust shield (mounting hardware not included)

Product Details and Specifications

The Dorman 947-021 brake backing plate is crafted from steel, offering a robust and rust-resistant solution for the rear right disc brake assembly on Ram ProMaster vans. Its circular design with a 323 mm outside diameter and 78 mm inside diameter matches OEM specifications, ensuring proper alignment and protection of brake components. The 1 mm thickness balances durability with weight considerations, while the black finish helps resist corrosion over time. This brake dust shield is designed to shield the brake rotor and caliper from dust, debris, and moisture, contributing to consistent braking performance.

Compatible Vehicles and Applications

• Ram ProMaster 1500 rear right disc brake system
• Ram ProMaster 2500 rear right disc brake system
• Ram ProMaster 3500 rear right disc brake system

Common Issues Addressed by This Brake Backing Plate

• Prevents brake dust and debris buildup on rotor and caliper
• Protects brake components from moisture and corrosion
• Maintains proper brake system alignment and function
• Reduces premature wear of brake parts due to environmental exposure
• Helps avoid brake noise caused by foreign material interference

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Remove the wheel and existing brake backing plate carefully, noting the position of mounting holes. Align the Dorman 947-021 backing plate with the six mounting holes on the rear right disc brake assembly. Tighten mounting bolts to manufacturer torque specifications. This part does not include mounting hardware, so retain or replace bolts as needed. After installation, verify brake operation and inspect for any interference or misalignment.

Quality Assurance and Warranty

Dorman manufactures the 947-021 brake backing plate to meet or exceed OEM standards for fit, form, and function. The steel construction and rust-resistant coating contribute to long service life under typical operating conditions. While specific warranty details are not provided, Dorman products generally come with a limited warranty against defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.