Bosch BS366 Drum Brake Shoe - Rear

Bosch BS366 Rear Drum Brake Shoe

The Bosch Bonded Brake Shoe BS366 is a new rear drum brake shoe for select Cadillac and Oldsmobile applications with 12 x 2.5 inch rear drum brakes. It is built for direct-fit service on classic rear brake systems, including Cadillac Brougham, Fleetwood, DeVille, and Oldsmobile Custom Cruiser, Delta 88, and 98 applications.

Bosch Bonded Brake Shoe line products focus on replacement fitment for drum brake service, making BS366 a practical choice when restoring rear braking performance on older full-size GM vehicles. The BS366 part number is listed for multiple rear applications across Cadillac and Oldsmobile platforms.

Key Features

• New Bosch bonded drum brake shoe
• Rear position application
• Fits 12 x 2.5 inch rear drum brake setups
• Direct replacement for select Cadillac and Oldsmobile models
• Part number BS366 for catalog and fitment lookup

Detailed Fitment and Application

• Fits 1987-1992 Cadillac Brougham, rear; 12 x 2.5" Bosch Bonded Brake Shoe
• Fits 1971-1979 Cadillac Fleetwood, rear; 12 x 2.5" Bosch Bonded Brake Shoe
• Fits 1971-1976 Cadillac DeVille, rear; 12 x 2.5" Bosch Bonded Brake Shoe
• Fits 1971-1976 Oldsmobile Custom Cruiser, rear; 12 x 2.5" Bosch Bonded Brake Shoe
• Fits 1971-1976 Oldsmobile Delta 88, rear; 12 x 2.5" Bosch Bonded Brake Shoe
• Fits 1974 Cadillac Commercial Chassis, rear; Bosch Brake Shoes Bonded
• Fits 1971-1974 Oldsmobile 98, rear; 12 x 2.5" Bosch Bonded Brake Shoe

Use BS366 when servicing rear drum brake systems on Cadillac Brougham, Fleetwood, and DeVille models, as well as Oldsmobile Custom Cruiser, Delta 88, and 98 vehicles listed above. This part cross-references no additional part numbers in the provided data.

Common Brake Service Issues

• Rear brake shoe wear that reduces stopping performance
• Brake noise from worn drum brake friction material
• Uneven rear braking on older drum brake systems
• Service replacement needs during rear brake rebuilds
• Fitment issues when replacing worn OEM-style rear shoes

Installation Notes and Tips

Confirm rear drum size and vehicle application before installation. Match the shoe to the 12 x 2.5 inch rear drum brake configuration shown in the fitment data, and inspect the drum, hardware, and wheel cylinder condition during service. Verify the Bosch BS366 part number against the vehicle’s brake system before final assembly.

Quality Assurance

Bosch supplies new replacement brake components for service applications, and this bonded brake shoe is cataloged for direct rear fitment on the listed Cadillac and Oldsmobile vehicles. The BS366 part number helps simplify identification during brake maintenance and restoration work.