Raybestos 9785R Brake Drum - Rear

Overview of Raybestos R-Line Brake Drum 9785R for Smart Fortwo

The Raybestos R-Line Brake Drum 9785R is engineered specifically for the Smart Fortwo, providing precise fitment and reliable braking performance. Designed with exact dimensions to match factory specifications, this brake drum ensures consistent operation and durability.

• Inside Diameter: 203.1 mm (7.996 inches)
• Outside Diameter: 234.95 mm (9.250 inches)
• Depth: 36.85 mm (1.450 inches)
• Stud/Lug Hole Quantity: 3
• Stud/Lug Hole Diameter: 12.55 mm (0.495 inches)
• No outer cooling fins for standard heat dissipation

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM standards. This product line emphasizes precision manufacturing and material quality, making the 9785R brake drum a suitable replacement part for maintaining the braking system integrity of your Smart Fortwo.

Technical Description and Specifications

The 9785R brake drum features an inside diameter of 203.1 mm (7.996 inches), which is critical for proper brake shoe contact and effective braking force. The outside diameter measures 234.95 mm (9.250 inches), ensuring compatibility with the wheel assembly. With a depth of 36.85 mm (1.450 inches), this brake drum provides adequate surface area for heat absorption and wear resistance. The part includes three stud/lug holes with a diameter of 12.55 mm (0.495 inches), matching the Smart Fortwo’s wheel hub configuration. The absence of outer cooling fins indicates a design optimized for standard driving conditions without additional heat dissipation features.

Compatible Applications and Problem Solving

• Replacement for worn or scored brake drums on Smart Fortwo models
• Addresses brake noise caused by uneven drum surfaces
• Resolves vibration or pulsation during braking due to drum irregularities
• Restores proper brake shoe engagement and stopping power
• Prevents brake fade from excessive wear or heat buildup

Installation Notes and Tips

Ensure the brake drum 9785R is installed on a compatible Smart Fortwo model. Before installation, inspect the wheel hub and brake shoes for wear or damage. Clean the mounting surface to prevent misalignment. Torque lug nuts to manufacturer specifications to maintain proper fitment and safety. It is recommended to replace brake drums in pairs to maintain balanced braking performance.

Quality Assurance and Warranty

Raybestos R-Line brake drums are manufactured to meet strict quality standards, ensuring dimensional accuracy and material integrity. The 9785R part number undergoes rigorous testing to comply with OEM requirements. Warranty coverage details should be confirmed with the product documentation or supplier.