Dynamite Friction 375-51000 Drum Brake Wheel Cylinder - Rear

DFC Brake Wheel Cylinder for Rear Drum Brakes

The Dynamite Friction DFC Brake Wheel Cylinder, part number 375-51000, is a rear drum brake hydraulic component for select classic GMC and Oldsmobile applications. It is listed for rear-position fitment on 1966-1970 vehicles, including GMC G1000 Series, GMC G1500, GMC G15/G1500 Van, Oldsmobile Cutlass, and Oldsmobile Cutlass Supreme.

Key Features

• Drum brake wheel cylinder for rear brake service
• Brand line: DFC Brake Wheel Cylinder
• Part number 375-51000 for accurate ordering and catalog matching
• Fits rear brake positions only
• Compatible with select 1966-1970 GMC and Oldsmobile rear drum brake applications

Fitment Details

• Fits 1967-1970 GMC G15/G1500 Van, rear.
• Fits 1967-1969 Oldsmobile Cutlass, rear.
• Fits 1967-1969 Oldsmobile Cutlass, rear, Front Disc; DFC Brake Wheel Cylinder.
• Fits 1967-1969 Oldsmobile Cutlass Supreme, rear.
• Fits 1967-1969 Oldsmobile Cutlass Supreme, rear, Front Disc; DFC Brake Wheel Cylinder.
• Fits 1966 GMC G1000 Series, rear.
• Fits 1966 GMC G1500, rear.

What It Helps Address

• Rear brake fluid leakage at the wheel cylinder
• Uneven rear drum brake operation
• Soft or inconsistent brake pedal feel caused by hydraulic wear
• Brake drag or reduced rear braking response from a worn cylinder
• Service needs on classic GMC and Oldsmobile rear drum brake systems

Installation Notes and Tips

Confirm the rear brake configuration before ordering, especially on Oldsmobile Cutlass and Cutlass Supreme models with front disc brakes noted in the fitment data. Inspect brake shoes, drums, and hydraulic lines during service, and bleed the brake system after installation to remove air from the circuit. Match the part number 375-51000 to your application details for proper catalog selection.

Quality Assurance

Dynamite Friction supplies this DFC Brake Wheel Cylinder as a cataloged brake hydraulic replacement for the listed rear drum brake applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.