Dynamite Friction 365-47038 Brake Drum - Rear

True Balanced Rear Brake Drum for Heavy-Duty GM Trucks

The Dynamite Friction True Balanced Brake Drum, part number 365-47038, is a rear brake drum for select Chevrolet and GMC heavy-duty applications. It is built for single rear wheel setups and listed fitments with 3-1/2 inch rear shoes and JB8/JD8 brake configurations where noted.

For buyers searching for a rear brake drum for Chevrolet C30, K30, P30, GMC C3500, K3500, R3500, V3500, or P3500 applications, this part number 365-47038 covers a wide range of late-1970s through early-1990s trucks and chassis cab models.

Key Features

• Rear brake drum for select Chevrolet and GMC heavy-duty vehicles
• True Balanced Brake Drum line from Dynamite Friction
• Fits single rear wheel configurations listed in the application data
• Applications include 3-1/2 inch rear shoes on select P30 and P3500 models
• Listed for JB8 and JD8 brake setups where specified
• Part number 365-47038 for application matching

Detailed Application Information

This brake drum is intended for rear axle service on compatible Chevrolet and GMC trucks and chassis cab models. Fitment includes 1975-1991 Chevrolet and GMC C30, K30, C3500, K3500, P30, P3500, R30, R3500, V30, and V3500 applications, with notes varying by wheel setup and brake shoe width. The Dynamite Friction True Balanced Brake Drum line focuses on balanced braking performance for vehicles that rely on rear drum service in heavy-duty use.

Part number 365-47038 is a direct fitment reference for shoppers comparing rear brake drum options for Chevrolet P30 and GMC P3500 chassis, as well as Chevrolet C30/K30 and GMC C3500/K3500 trucks. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Can Address

• Rear brake drum wear or scoring
• Brake pulsation from an out-of-round drum
• Reduced braking consistency at the rear axle
• Service replacement for drum brake maintenance on heavy-duty GM trucks
• Fitment replacement for single rear wheel rear drum applications

Installation Notes

Verify rear shoe width, brake code, wheel configuration, and axle application before ordering. Match the vehicle year, make, model, and listed notes exactly, especially on Chevrolet P30 and GMC P3500 chassis applications. Inspect related brake components during service and confirm drum dimensions against the existing part before installation.

Quality Assurance

Dynamite Friction’s True Balanced Brake Drum line is positioned for balanced, application-specific brake service on heavy-duty GM platforms. Use the confirmed fitment data for Chevrolet and GMC rear drum brake replacement, and match part number 365-47038 to the vehicle configuration shown in the application list.