- 1984 GMC B6P042 SERVICE BRAKES, AIR:DRUM:CHAMBER
- 1984 GMC B6P042 SERVICE BRAKES, AIR:DRUM:CHAMBER
- 1984 GMC B6P042 SERVICE BRAKES, HYDRAULIC:FLUID
- 1984 GMC B6P042 SERVICE BRAKES, HYDRAULIC:FLUID
- 1984 GMC B6P042 SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC
- 1984 GMC B6P042 SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC
