Rear Brake Drum for Select GM Midsize Cars

Dynamite Friction True Balanced Brake Drum 365-45005 is a rear brake drum for select Buick Century, Oldsmobile Cutlass Ciera, Pontiac 6000, and Chevrolet Celebrity applications. It is listed for plain drum and heavy-duty brake setups across multiple 1982-1992 rear axle configurations.

Key Features

• True Balanced Brake Drum construction for rear brake service
• Fits select Buick Century, Oldsmobile Cutlass Ciera, Pontiac 6000, and Chevrolet Celebrity models
• Application coverage includes plain drums and JA2, JA3, and JA8 brake packages where specified
• Supports 115mm bolt circle and 4-1/2 inch bolt circle applications listed in the fitment data
• Part number 365-45005 for direct catalog lookup

Fitment Details

• Fits 1990-1992 Buick Century, rear, plain drums; True Balanced Brake Drum
• Fits 1988-1989 Buick Century, rear, medium & heavy duty brakes, JA2 & JA8 brakes, 115mm bolt circle; True Balanced Brake Drum
• Fits 1985-1986 Buick Century, rear, medium & heavy duty brakes, JA2 & JA8 brakes, 115mm bolt circle; True Balanced Brake Drum
• Fits 1987 Buick Century, rear, medium & heavy duty brakes, JA2 JA3 & JA8 brakes, 115mm bolt circle; True Balanced Brake Drum
• Fits 1984 Buick Century, rear, JA2 brakes, 115mm bolt circle; True Balanced Brake Drum
• Fits 1983 Buick Century, rear, heavy duty, JA2 brakes, 115mm bolt circle; True Balanced Brake Drum
• Fits 1990-1992 Oldsmobile Cutlass Ciera, rear, plain drums; True Balanced Brake Drum
• Fits 1985-1989 Oldsmobile Cutlass Ciera, rear, medium & heavy duty; 115mm bolt circle; True Balanced Brake Drum
• Fits 1983-1984 Oldsmobile Cutlass Ciera, rear, heavy duty; 115mm bolt circle; True Balanced Brake Drum
• Fits 1982 Oldsmobile Cutlass Ciera, rear, heavy duty; JA2 brakes; 115mm bolt circle; True Balanced Brake Drum
• Fits 1990-1991 Pontiac 6000, rear, True Balanced Brake Drum
• Fits 1984-1989 Pontiac 6000, rear, 4-1/2 inch bolt circle; True Balanced Brake Drum
• Fits 1983 Pontiac 6000, rear, 260mm front disc; 114.3mm bolt circle; True Balanced Brake Drum
• Fits 1988-1989 Chevrolet Celebrity, rear, heavy duty brakes (JA2 & JA8); 115mm bolt circle; True Balanced Brake Drum
• Fits 1987 Chevrolet Celebrity, rear, heavy duty; JA3 & JA8 brakes; 115mm bolt circle; True Balanced Brake Drum
• Fits 1985-1986 Chevrolet Celebrity, rear, excluding Police Package; True Balanced Brake Drum
• Fits 1983-1984 Chevrolet Celebrity, rear, heavy duty, JA2 & JA3 brakes, 115mm bolt circle; True Balanced Brake Drum

Common Brake Drum Replacement Uses

• Rear brake drum replacement for worn or out-of-round drums
• Service for brake pulsation or uneven rear braking feel
• Repair for scoring, heat checking, or drum surface wear
• Replacement during rear brake shoe service on GM midsize platforms
• Restoration of proper rear brake contact on listed JA2, JA3, and JA8 applications

Installation Notes

Verify the rear brake package, bolt circle, and model year before ordering. Match the drum to the exact vehicle listing, especially on Buick Century, Oldsmobile Cutlass Ciera, Pontiac 6000, and Chevrolet Celebrity applications with heavy-duty brake codes. Inspect brake shoes, wheel cylinders, and hardware condition during installation, and confirm the drum seats correctly before returning the vehicle to service.

Quality Assurance

Dynamite Friction True Balanced Brake Drum 365-45005 is cataloged for the specified rear brake applications and cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.